HVAC Plumbing

Uponor has extended its innovative EcoFlex VIP portfolio with the introduction of Ecoflex Aqua VIP, a high-performance pipe designed to make hot and cold water transportation around a home more sustainable than ever before. The pre-insulated pipe, introduced specifically for domestic water distribution, combines heat loss performance with outstanding flexibility, ease of installation and a service life in excess of 30 years. Total solutions provider By adapting ground-breaking Vacuum Insulation Panel (VIP) technology, the next generation pipe delivers hot water efficiently to its distribution point by significantly reducing the heat losses that typically occur when water travels from a heat source around a building. What’s  more, Uponor, the total solutions provider of systems for the safe transportation of water around a building, has designed the new pipe to be as flexible as soft foam insulated products, but with a diameter up to 30% smaller. This means that less space is needed to run the pipework around a building, saving on time and labor while also making it easier to find suitable pathways for the pipes to run. In addition, Ecoflex Aqua VIP is also highly flexible and durable, making it ideal for complex designs and projects where the installer is working in confined spaces. Requiring additional connections These qualities help to reduce the installation time of the pipes by up to 20% With up to 60% less bending force compared to alternative solutions on the market, Ecoflex Aqua VIP can be navigated around obstacles or laid across bumpy ground without requiring additional connections. These qualities help to reduce the installation time of the pipes by up to 20% compared to hard foam insulated flexible pipes, and by more than double compared to steel pipes. This also minimizes potential weak points that could lead to leaks after the pipes have been laid. Ecoflex Aqua VIP joins Ecoflex Thermo VIP in the innovative range, which now provides developers and installers with the complete sustainable solution for all a project’s pipework requirements. High insulating performance Commenting on the portfolio, Mark Dowdeswell, Senior Category Manager at Uponor, said: “Vacuum insulation panels have already proven to be one of the best insulation materials, as they are widely used for applications in healthcare, vehicles, construction and household appliances. By adapting this technology to our Ecoflex VIP range, we have managed to achieve high insulating performance with less insulation material. The flexible, multi-layer aluminum diffusion barrier also makes our pipe extremely compact and easy to handle.” “The system can be utilized for a great variety of applications, from an extensive supply network to a single connection for one building, with the flexibility of the pipe material, the convenient connecting methods and the well-attested service life, all contributing to projects being completed quickly, economically and reliably.”

ABB has signed up to a pilot study with ST Telemedia Global Data Centres (STT GDC) to explore how Artificial Intelligence (AI), Machine Learning (ML), and advanced analytics can optimize energy use and reduce a facility’s carbon footprint. Singapore-headquartered STT GDC, which is one of the fastest-growing global data center operators, is leveraging the digital transformation expertise of technology leader ABB as it bids to become net carbon-neutral by 2030. Modeling and Validation ABB is studying historical data to establish how digital solutions would impact existing operations and energy use ABB is conducting the pilot in two phases, beginning with initial data exploration, modeling and validation, studying historical data to establish how digital solutions would impact existing operations and energy use. Once proven, it will be followed by AI control logic testing in a live data center environment. STT GDC aims to achieve at least 10 percent in energy savings from its cooling systems, which is the largest consumption of electrical power in a data center after IT equipment. Live Data Center “Our group’s AI roadmap will take a big leap forward with this pilot program. The vast amounts of data that can be captured and harnessed in a live data center environment makes for a strong base for AI applications, which can also be applied to other business processes including capacity planning, risk mitigation and predictive maintenance,” said Daniel Pointon, Group Chief Technology Officer, ST Telemedia Global Data Centres. “This, and other initiatives around alternative energy sources, water efficiency, construction technology and innovative cooling solutions, are being carried out by our research and development team based in Singapore.” Development Process The ABB team is currently developing AI-based optimization models for the entire data center cooling plant, including the upstream chiller and distribution systems. The AI project is also unlocking new opportunities for efficiency improvement at a granular level within the data center. STT GDC will be able to use AI-generated insights, leveraging cutting-edge ABB Ability™ Genix for industrial analytics and AI, to track and analyze data generated by monitoring systems in the data center, and better facilitate dynamic cooling optimization. Supporting Data Centers ABB has a strong track record of supporting data center operators with best-in-class technology “We look forward to supporting the STT GDC team in their efforts to drive digitalization and energy efficiencies,” said Madhav Kalia, Global Head of Data Center Automation at ABB. “At ABB, we have a strong track record of supporting data center operators with our best-in-class technology solutions. We are committed to exploring the synergies between our offerings with STT GDC as it embarks on an ambitious plan.” STT GDC is one of the fastest-growing data center providers, with a global platform of data centers in the world’s major business markets. It has more than 130 facilities across Singapore, UK, India, China, Thailand, South Korea, and Indonesia.

Johnson Controls, the globally renowned company for smart, healthy and sustainable building solutions, has launched the Johnson Controls Community College Partnership Program. As part of the program, Johnson Controls will give US$ 15 million, over the next five years, to support academic scholarships at non-profit community colleges. Community college Program Starting in the 2021‒2022 academic year, Johnson Controls’ program will endow a total of US$ 1 million to ten community colleges across the U.S. In addition to the funding, Johnson Controls employees will support the community colleges through volunteering and mentorships. The grants support the expansion of associate degree and certificate programs in heating, ventilation and air conditioning (HVAC), fire and security, and digital building automation systems, all areas where the U.S. Bureau of Labor is predicting an increased need for skilled trade expertise in the coming years. Providing in-demand knowledge and skills A core objective of the program is to change the trajectory of the lives of students from underserved communities A core objective of the program is to change the trajectory of the lives of students from underserved communities, by equipping them with in-demand knowledge and skills that will support employment and a pathway for life-long careers upon graduation. “Just as smart, healthy buildings are critical to our well-being, well-educated and trained technicians are crucial to keeping our environments operating safely and efficiently. As a leader in the building industry for over a century, Johnson Controls is honored to share our expertise with the country's leading community colleges,” said Grady Crosby, Vice President of Public Affairs and Chief Diversity Officer at Johnson Controls. Providing funding for institutions Grady Crosby adds, “The Johnson Controls Community College Partnership Program supports institutions through its funding and supports their students through volunteerism and mentorships. We believe this will empower people to build life-long careers that will transform their lives and their cities.” The initial ten community colleges receiving grants are located in cities, where Johnson Controls has a significant customer base and employee presence. Funding for each community college differs based on its needs. In general, colleges will use the support to purchase and develop classroom materials, learning technologies, and student scholarships. Mentorship for students Local Johnson Controls employees in each market will serve as volunteer educators, providing students with counseling and real-world experiences. This mentoring will be directly incorporated into various college programs and also provide a pathway for student internships, and entry-level employment opportunities at Johnson Controls. 2021-2022 Community College Partnership award recipients include: Kennedy-King College (Chicago, IL): Founded in 1911, Kennedy-King College is part of the City Colleges of Chicago, a system of two-year education institutions. The college will use its funding to establish an HVAC certification boot camp, develop a job shadowing and field experience course, as well as provide students with their own HVAC toolsets. Suffolk County Community College (Selden, NY): Founded in 1959, Suffolk County Community College is a public community college, sponsored by SUNY and Suffolk County, NY. The college will use its funding to invest in state-of-the-art training simulators and the growth of a guided mentoring program, featuring Johnson Controls employees supporting peer mentoring and career counseling. Montgomery College (Rockville, MD): Founded in 1946, Montgomery College is a public community college in Montgomery County, Maryland. The college will use its funding to expand program marketing to local, low-income communities, hire additional faculty to serve as retention and recruitment associates, and create a Building Automation Systems lab. Community College of Baltimore County (Baltimore, MD): Founded in 1957, Community College of Baltimore County is a public community college with campuses across Baltimore County, Maryland. The college will use its funding to hire additional faculty and grow a guided mentoring program, featuring Johnson Controls employees supporting peer mentoring and career counseling. Lone Star College (Conroe, TX): Founded in 1992, Lone Star College is a Texas community college in The Woodlands, north of Houston. The college will use its funding to provide financial assistance for students to obtain HVAC toolkits, PPE, and learning materials, as well as tuition support. Further, the college will use the funding to grow programs that encourage students to go beyond HVAC/R certification courses and complete a full Associates Degree. Henry Ford College (Dearborn, MI): Founded in 1938, Henry Ford College is a public two-year college in Dearborn, west of Detroit, Michigan. The college will use its funding to expand the Energy Technology-HVAC program into modular units that will also be developed into open-source, online educational resources that can be shared and further developed by other learning institutions. Further, the college will purchase HVAC simulators, featuring industry-standard components. Essex Country Community College (Newark, NJ): Founded in 1968, Essex County College is a public community college in Essex County, New Jersey. The college will use its funding to purchase learning materials and training technologies, as well as create a partnership with CompTIA to expand IT certification programs for careers in IT and help desk positions. Camden County College (Blackwood, NJ): Founded in 1965, Camden County College is a public community college serving western central New Jersey and the greater Camden area. The college will use its funding to expand its HVAC technician training and Programmable Logic Controller Certificate of Achievement programs. Further, the college will develop a Programmable Logic Controller certificate program specifically tied to using Johnson Controls technology. Georgia Piedmont Technical College (Clarkston, GA): Founded in 1961, Georgia Piedmont Technical College is part of the Technical College System of Georgia, serving students in the greater metro Atlanta area. The college will use its funding to purchase additional lab equipment for the Building Automaton Systems program and upgrade hands-on training simulators. Further, the college will refresh its commercial refrigeration and welding programs, and update related program marketing to underserved communities. Milwaukee Area Technical College (Milwaukee, WI): Founded in 1912, Milwaukee Area Technical College is a public, two-year vocational-technical college. The college will use its funding to expand local recruitment for HVAC career training, as well as upgrade lab and training equipment. Cutting carbon emissions in buildings construction According to a 2020 report from the Global Alliance for Buildings and Construction, part of the United Nations’ environment program, the buildings construction industry accounts for 40% of total global energy-related carbon emissions. And three-quarters of those emissions are attributable to building operations. Yet, the current renovation rate of buildings is less than one percent. It will take commitment and expertise across generations to reverse the damage already done to the environment and then continue with a new, sustainable way of life. Specialty knowledge is needed to develop more sustainable spaces and deploy and maintain operational and informational technologies that drive healthier buildings. Therefore, Johnson Controls is investing in the technicians of tomorrow, today.

GE Appliances (GEA), a Haier company, announced a new Vertical Terminal Air Conditioner (VTAC) poised to reinvent the design of Single Packaged Vertical Units (SPVU). The GE Zoneline Ultimate V10 was designed in collaboration with hotel and residential property owners and architects, to create a new way of installing the air conditioning chassis that makes installation 60% faster. GE Zoneline Ultimate V10 With additional features like ultra-quiet cooling, onboard diagnostics and SmartHQ WiFi capabilities, the GE Zoneline Ultimate V10 is a low maintenance unit providing guest comfort and reliable performance. “At GE Appliances, our goal is to design products that meet owners’ needs and create custom solutions for their environment,” said Kristi Saathoff, Senior Director of Product Management for GE Appliances. Kristi adds, “The Zoneline UltimateV10 is designed, engineered and assembled in the U.S. This allowed us to integrate customer feedback into our design to eliminate the most common pain points for the category, shorten lead times for customers, and add connected and diagnostic capabilities. This product is exemplary of our commitment to design and engineer innovative HVAC products that fit the needs of the North American marketplace.” Featuring new chassis and platform design The product, manufactured in Selmer, Tennessee, features a new chassis and platform design The product, manufactured in Selmer, Tennessee, features a new chassis and platform design with industry-exclusive features and multiple patents pending. GE Zoneline engineers collaborated with builders, property managers and architects to design the Insta-Platform, an innovative platform that is paired with a quick-install plenum and a perfect fit chassis, making the Ultimate V10 the easiest-to-install system on the market today. GE Zonelines are the industry’s quietest PTACs and GE Appliances has applied that knowledge to this product. The UltimateV10 is already the preferred VTAC for quiet performance and sound quality, when tested against competitors. In testing, 91% of participants preferred the Ultimate V10 air conditioner for superior sound quality and quieter operation. Onboard diagnostics and optional WiFi module Other features that optimize the guest and owner experience include onboard diagnostics that provide clear and fast diagnostics data. The units are also available with an optional WiFi module that integrates with GEA’s SmartHQ system allowing property managers to monitor multiple units remotely. “I have used GE Zoneline products in my hotels for years, and GE Appliances has proven to be a reliable partner for SINA Hospitality,” said Ravi Patel, the Chief Executive Officer (CEO) of Sina Hospitality. Ravi adds, “I am building a new Residence Inn property in Charleston, West Virginia and look forward to seeing this innovative product installed there. GE Appliances builds reliable products, and I am impressed with the features and quiet operation of this new VTAC. I look forward to our continued partnership.” GE Zoneline UV-C solution GEA is improving indoor air quality for hotel guests with an industry-exclusive kit for GE Zoneline PTACs GEA is improving indoor air quality for hotel guests with an industry-exclusive kit for GE Zoneline PTACs that uses UV-C light technology. The GE Zoneline UV-C solution is a perfect fit kit for Zoneline PTACs and designed to treat indoor air, as it cycles through the unit. Using a high-powered LED array for maximum intensity and efficiency, this new technology applies UV-C light to air as it passes through the unit, focused and channeled where most air movement occurs to reduce airborne virus concentrations.  UV-C kit customized for GE Zoneline PTACs The new UV-C kit is customized for GE Zoneline PTACs and can be installed to existing products. The kits will be available in the coming months. Soon, GE Appliances will also offer GE Zoneline units with UV-C-technology factory installed. “Clean air is critical to ensuring guests and residents’ well-being,” said Brigitte Mader-Urschel, Commercial Director for HVAC at GE Appliances, adding “This kit is a great option to increase indoor air quality. It works when added to existing Zoneline PTACs and can also be added to new units. GEA invented the PTAC category, and we continue to innovate and respond to the changing needs of our customers and the environment.”

Peterman Brothers of Greenwood, Indiana has been named the 2021 Bryant Dealer of the Year, the highest honor a Bryant dealer can receive. Each year, this award recognizes the company whose hard work, expertise and business acumen have helped them to stand out as a leader in the industry. Bryant, a pioneering supplier of heating, ventilating, and air conditioning (HVAC) equipment, is a part of Carrier Global Corporation, the pioneering global provider of healthy, safe and sustainable building and cold chain solutions. “Being named as the 2021 Bryant Dealer of the Year means that we are doing things the right way,” said Chad Peterman, Owner and President, Peterman Brothers. “It is not what we do, but how we do it. We are committed to providing our people and customers with the best customer experience possible.”   Bryant Medal of Excellence winner   Peterman Brothers has been solving plumbing, heating, and cooling issues of the central Indiana community since 1986 when Pete Peterman started the company in his garage. Since its humble beginnings, the company has grown to employ over 300 people today. Two of those employees include Pete's sons, Chad and Tyler. Both grew up around the business and have taken on numerous responsibilities.   Chad is the oldest and in his role as Owner and President, he is responsible for creating and executing the company’s vision and long-term strategy. Chad’s younger brother, Tyler, oversees all install operations. Peterman is now a complete family affair with all the Petermans involved in the day-to-day operations of the company. In addition, Peterman Brothers is a two-time Bryant Medal of Excellence winner.   Bryant Factory Authorized Dealers “Bryant dealers continue to raise the bar in our industry and are among the best in the business,” said Justin Keppy, President, NA Residential & Light Commercial, Carrier. “Our 2021 Dealer of the Year, Peterman Brothers, exemplifies the values and commitment that the Bryant brand has come to represent in its more than 115-year history. Its entire team embodies all that is necessary to run a successful business, and the company serves as an example to the industry for how an organization should treat its customers and the community in which it operates.” Bryant selected its 2021 Dealer of the Year from 22 Medal of Excellence winners, comprised of Bryant Factory Authorized Dealers throughout North America. The candidates were judged on overall sales growth, high-efficiency and indoor air quality equipment sales, customer satisfaction and participation in dealer programs and promotions.

Ruskin announces the newest addition to the Critical Environment (CE) damper series; model CD60CE in 316 stainless steel construction. The CD60CE high level of corrosion resistance is great in marine (salt water) applications.The CD60CE is AMCA Class 1A leakage rated (3 cfm/ft2 at 1” w.g.). The CD60CE is designed for high performance in HVAC systems with velocity and pressures up to 4,000 fpm & 8 in. w.g. Features Corrosion-resistant, salt water Airfoil blades for low-pressure drop and high performance Low maintenance construction AMCA Class 1A leakage rating Mechanically fastened blade edge seals Exclusive 5-year warranty Model Application   Model CD60CE is specifically designed to endure the harsh demands of coastal applications and other corrosive environments. Commonly Used Locations Chemical and petrochemical industry Food processing Pharmaceutical equipment Potable water Wastewater treatment Marine applications Architectural applications near the seashore

As our urban centers grow, so does our demand for key resources, such as energy. Currently, cities are accountable for over 60% of resource use and an estimated 70% of global carbon emissions. In the Middle East particularly, countries have experienced unprecedented population growth, increased economic activity and consequently, increases in energy consumption. Integration of sustainable systems Fortunately, industry leaders and governments are placing sustainability at the heart of regional plans for urban development. The integration of sustainable systems is no longer a value-added benefit, but rather a necessary requirement. I believe a vital element for sustainable development in our cities is energy management. Energy is a costly commodity representing an average of 25% of all operating costs in office buildings. This cost, however, can be reduced by using energy management to optimize HVAC systems employed in a building. Effective energy management Energy management involves proactive tracking, systemic management and thoughtful optimization of energy consumption in a building, with the goal of improving energy efficiency. The concept of energy efficiency takes into account a variety of factors; we must consider system design, quality of installation and maintenance, efficiency rates and personal use. If we assume a system is designed with greatest efficiency in mind, its effectiveness is still deeply impacted by installation, maintenance and use. ‘Performance drift’ issues One challenge we face with the efficiency of HVAC systems is ‘performance drift’ One challenge we face with the efficiency of HVAC systems is ‘performance drift’. When first installed, and even in the first few months, HVAC systems operate immaculately. Over time, however, component efficiency and system conditions ‘drift’ away from the originally installed operating curve, meaning that efficiency and performance of the system can degrade incrementally. The deteriorating performance of HVAC systems has consequences, such as unnecessary use of energy, resulting in higher costs and emissions, in addition to reduced comfort for building occupants. Energy efficient HVAC pumps In order to truly have an impact on energy consumption, a holistic approach must be adopted. Only by carefully examining and optimizing each part of the HVAC system, can we then find ways to improve it. In my experience with Armstrong Fluid Technology, in the last decade, the technology for HVAC pumps has been enhanced to provide up to 70% energy efficiency savings through demand-based control and parallel pumping technology. These innovations enable the pumps to operate at optimum levels, consuming as little energy as possible. Innovative smart technology Systems that incorporate innovative smart technology enable more accurate system performance analysis and optimization. Pumps can function as highly accurate flow meters that provide valuable insight for building managers and operators. Data from the intelligent connected pumps can be collected through active performance management software, which enables the HVAC system to learn, predict and optimize to deliver even greater energy efficiency and cost savings through maintained optimized performance. Systems incorporating innovative smart technology enable more accurate system performance analysis Active performance management software Active performance management software enables real time and historical data reporting that directly demonstrates system efficiency and savings. Given the global shift towards sustainable building construction, legislation on energy reporting is inevitable, therefore employing systems with this in-built capability can prove to be extremely beneficial in the future. The software can also help maintain client comfort at all times by enabling predictive maintenance. Systems can provide alerts when they detect faults, allowing for early replacement before a full breakdown. This can be particularly helpful in mission critical applications such as hospitals. Importance of analyzed data in system optimization Without the ability to analyze data, buildings managers and operators cannot properly optimize mechanical systems Evidently, collecting data is essential for many reasons, including preventing, and even reversing, the loss of energy efficiency. Without the ability to analyze data, buildings managers and operators cannot properly optimize mechanical systems, which results in unnecessary energy use, insufficient maintenance practices and any related costs. There may be hesitation in the industry to incorporate more sophisticated systems as they require initial investment, however, the returns from using more efficient mechanical systems are impressive. Executing energy upgrades for HVAC systems Simple payback on energy upgrade projects is usually reached within 3 to 5 years. Furthermore, energy savings continue for the life of the system. Properly executed energy upgrades deliver up to 40% savings on energy consumption related to HVAC operation. Savings on that level for a large facility can be impactful for business operations. Energy efficiency is not ‘visible’ but has the potential to have a transformative effect on climate change, if embraced on a large scale. If we consume energy only as we need to, then we consume less of it. This, in turn, reduces our consumption of fossil fuels and consequently our greenhouse gas emissions. Aside from short-term benefits, such as costs savings and increased operation efficiency, energy management has the ability to help conserve energy for generations to come. Embracing energy saving solutions If we embrace innovative energy saving solutions in the building services industry, then we can begin to make a difference. With the recent launch of plans for sustainable development, such as the Dubai Master Plan 2040, green infrastructure, supporting solutions, will thrive. The global shift towards embracing sustainability has made individuals and organizations call into question their impact on our planet. Embracing sustainability is no longer a preference but a strategic business approach that helps to create long-term value on a social, economic and environmental level. The role of energy efficiency, and the systems that enable it, will inevitably play a key role in creating more sustainable buildings, communities and cities.

Forget the fact that heat pump installations in the average home could cost several thousand pounds more than a conventional gas boiler and that fully insulating those homes will add even greater cost to the homeowner. It’s not really the cost issue that could be the only potential bump in the road on the way to the target set by the UK Government, because a more pressing problem to solve will be the shortage of trained ‘green’ heating engineers that will be the key to delivery of the plan. Gas boiler production I’m sure I’m not alone within the industry in adding my support to any drive that leads to a more effective use of environmentally responsible sources of energy for home heating. And following the news that ministers are currently discussing a cut off date of 2035 for all domestic gas boiler production, with an earlier 2025 ban on their installation in new homes, it is encouraging to think that technologies with which we in the industry have been working for a decade or more, will finally become the norm, rather than the green exception. However supportive I and colleagues in the sector might be, we should not shy away from challenging the Government on the delivery of the targets it has announced, because currently we haven’t heard enough in the Government’s Heating and Buildings Strategy about the market’s skills shortage. Heat source technologies At Ameon we’ve been working with green technologies for over a decade, on large scale public sector The truth is that there are simply not enough heating engineers currently who are experienced in the installation of alternative heat source technologies, such as ground or air source heat pumps, and given that tens of thousands of new or re-skilled engineers will be required if the Government’s plan to install 600,000 heat pumps per year by 2028 is to be achieved, then the drive needs to be supported by the associated training provisions to help it meet its goal. At Ameon we’ve been working with green technologies for over a decade, on large scale public sector and residential developments but I feel that aside from building services infrastructure companies like ourselves and others in our sector, there isn’t currently a large enough skills base and therefore the infrastructure needs to be put in place to be able to train enough people to carry out the installation program. Low carbon technologies This could be more of a factor in the achievement of 2035 target aspirations, than even the potential public reluctance to embrace the technology for cost reasons. Whilst specialists in our sector have teams of qualified heating and ventilation engineers who are hugely experienced in low carbon technologies, it has to be acknowledged that their experience and skill set has taken considerable time and investment to develop; therefore I hope the Government hasn’t underestimated the vital importance of training. This could be more of a factor in the achievement of 2035 target aspirations You can’t simply ask domestic heating engineers, who are used to fitting conventional gas boilers, to switch to installing ground or air source heat pumps overnight. There are significant differences in the science and the technology, together with the requirement by law for engineers to be F-gas registered, proving that they are qualified in the safe handling of fluorinated refrigerant gases (F-gas), which are ozone depleting substances crucial to the heat pump delivery process. Conventional gas boilers Then, there’s the need for engineers to understand how to design low temperature water systems and avoid such things as Legionella bacteria creeping into the system. There is much more to learn for someone used to installing boilers that heat water to a temperature to pasteurize it, because the public health element is a key factor too. So there needs to be significant retraining and, of course, the time to create the infrastructure to deliver the training. The other related issues, such as where training would be delivered and who funds it can be more easily addressed. After all, the Chancellor has protected UK businesses at the drop of a hat in the midst of a pandemic, and the country has, in short time, created a hugely efficient mass-vaccination program; proving that anything is possible. Reducing carbon emissions Steve Baker, has warned of public anger if all implications of the Government’s plans are not explained Currently discussions in Whitehall include such ideas as homeowners being required to install ‘green’ heating before they can sell their property, or levying a surcharge on gas boilers to subsidize production of heat pumps: although no firm decision has yet been taken. It is reported that former Conservative minister, Steve Baker, has warned of public anger if all implications of the Government’s plans are not explained fully to homeowners, which is why I and others will add our voices to the many questions that really need to be answered. That doesn’t mean we in industry are not fully supportive of the Government’s aspirations. The public too appears to be broadly behind this move to reduce carbon emissions, particularly as gas boilers account for a percentage of CO2 produced annually; therefore it is an important area to focus upon if ‘net zero’ carbon emissions by 2050 are to be achieved. Newly trained engineers Roughly 85% of UK homes currently rely on gas for heating, which is around 25 million homes, so the scale of the change required is immense. Even if the UK had the qualified engineers to start from day one, which it doesn’t, the targets are ambitious to say the least. It is my view that investment in training has to be at the heart of the Government’s planning. That could be delivered on the job, in the classroom, or, as has become the norm during lockdown, via online platforms such as Teams, Zoom or Skype. So if the will is there and the resources are in place to fund training, the method is the easier part of the process. What’s less certain is whether the army of re-skilled and newly trained engineers can be deployed quickly enough to achieve the target set. The clock is ticking...

With ongoing efforts from governments across the globe to reduce carbon emissions and with an ever greater focus on sustainability, it is vital that the HVAC sector does its part in becoming more environmentally conscious. And, while there have been steps to become more sustainable, there is a huge amount that still needs to be done to make sure that many of the targets that have been set are attainable. In buildings, both large and small, industrial heating accounts for roughly two thirds of industrial energy demand and around a fifth of global energy consumption. Figures like this show the need to have efficient and environmentally-friendly HVAC equipment in place to make the crucial steps towards reducing the contributions these systems make to our carbon footprint. High energy consumption in construction sector A 2019 report by The International Environment Agency (IEA) showed that the buildings and construction sectors combined were responsible for over 30% of global energy consumption and nearly 40% of carbon emissions. This is indicative of the steps the sector needs to take to play its role in a more eco-friendly society, some of which are already underway. However, much more needs to be done if the UK is to reach its goal of reaching net zero carbon emissions by 2050. As we envisage what a post-COVID world might look like, businesses and governments are continuing to put sustainability and lower carbon emissions at the forefront of their planning and the HVAC sector is certainly no exception. But with change in the sector a daunting prospect, decision-makers often don’t know where to start. Smart Technology use in HVAC systems Smart HVAC uses sensors that integrate with a building’s automation system With the constant growth and greater deployment of smart technologies within the HVAC sector, this is certainly a way that systems can become more efficient. Smart HVAC uses sensors that integrate with a building’s automation system. These sensors then collect information about conditions throughout the building. Heat waves are now a far more common occurrence in the United Kingdom. The Met Office estimates they are up to 30 times more likely and will be a bi-annual occurrence by 2050. It is important that any uptake in HVAC usage doesn’t lead to a drastic increase in emission generation. This is one of the areas where smart systems will become crucial. Many scientists have been unequivocal in their sentiment that heat waves are a cause of greater emissions and expect temperature records in the UK and Europe to be broken more regularly, so sites will need to be equipped to handle these conditions. Regulating temperature with hand-held devices With wireless systems now much more commonplace, temperatures can be controlled easily from hand-held devices. With these new technologies, those managing the systems can also benefit from remote monitoring and maintenance, reducing the need to travel to the site for yet another environmental incentive. To accompany the smart systems, equipment including smart thermostats can be installed to maximize HVAC efficiency. Other smart systems available to businesses include smart furnaces and air conditioning units that are far easier to operate than their traditional counterparts. Reducing unnecessary ventilation While global temperatures continue to rise, air conditioning usage has increased and has contributed to greater levels of energy usage. A huge amount of needless emissions are generated by unnecessary ventilation, contributing heavily to heat loss and overall energy wastage. Recirculation of air is a traditionally lower energy cost method of retaining heat and keeping emissions low, however, we must be mindful of the risks associated with recirculating air. The risk of circulating diseases is negated somewhat with heat recovery ventilation, which both removes the risk of disease spreading and improves energy consumption. Efficiency performance of new AC units Air conditioning units in particular contribute significantly to a building’s energy consumption Air conditioning units in particular contribute significantly to a building’s energy consumption, equating to 10% of the UK’s electricity consumption and as such it is important that we bear in mind ways to counteract the emissions this creates. Global energy demand for air conditioning units is expected to triple by 2050, as temperatures continue to rise year on year. The efficiency performance of new air conditioning units will be the key, when it comes to ensuring that escalating demand does not equate to greater emissions. Another issue for suppliers and manufacturers to address is differing rates of consumption for AC units in different countries, with units sold in Japan and the EU typically more efficient than those found in China and the US. Modularization Modular HVACs have also become increasingly popular in recent years. Modular HVACs are responsible for heating, cooling and distributing air through an entire building, with their increase in popularity largely down to their greater levels of energy efficiency, cost effectiveness, flexibility and substantial ease of installation and maintenance. Modular HVACs can be tailored specifically for workspaces and they often allow work to be done on the systems without disturbing the workforce, achieved primarily through rooftop placement. Commercial workspaces are larger and often require differing needs to residential properties and can cater to a wide range of the specific requirements of work and commercial spaces. As we strive for lower carbon emissions, it seems that this trend will continue and will become a key area in reducing emissions that HVACs have traditionally generated. System maintenance and training To meet government and industry requirements, many new buildings will require HVAC systems that can be maintained simply in order to perform in a more energy efficient way. Many companies are looking at ways to become climate neutral and significantly reduce their footprint Many companies are looking at ways to become climate neutral and significantly reduce their footprint. Companies are following the likes of German-based company, Wilo Group, who have announced they are committing to sustainable manufacturing by developing a new carbon neutral plant and HQ in the next few years. Lowering carbon footprint As we continue to move towards an ever more environmentally conscious society, it will be of paramount importance for companies, governments and the public to think about ways in which we can lower carbon emissions. Smart technologies will certainly be at the forefront of this, negating many needless journeys and making it easier for industries to adjust settings and tackle issues remotely. Greater levels of training will help equip us with the tools to make sure we are best placed to reduce emissions and be more sustainable as a result. While the steps outlined above do show some progress and measures we can take, there is far more that we can do as a sector to significantly reduce HVAC’s carbon footprint and once we have moved beyond the impact of the COVID-19 pandemic, this will surely be at the front of industry leader minds.

Interfacing with HVAC products is increasingly complex. The tiny 1-inch LCD display included on systems does not lend itself to complicated functions. Keeping the HVAC user interface simple limits control options to on/off, mode change or choosing a temperature. Thermostat controls company COTHERM has developed a smartphone app that can be used to control complex functions such as product settings during installation, programming or providing technical information about an HVAC product. Near field communication (NFC) relays information from the smartphone app to the HVAC equipment. Conventional HVAC equipment “NFC technology can be leveraged by heating, ventilation and air conditioning (HVAC) manufacturers so that installers can adjust the settings for radiators, as well as water or space heaters, via a mobile phone,” says Alain Maillard, Marketing Director of COTHERM. NFC is a contactless technology that enables transfer of short messages between a smartphone and an object. The technology is widely used and is already popular for uses such as contactless payment The technology is widely used and is already popular for uses such as contactless payment, access control and transportation. The large color screen display of a smartphone and the familiarity of app usage provides a strong tool for user interface and is much more user-friendly than conventional LED or LCD displays with keypads that commonly equip conventional HVAC equipment. This is particularly evident for advanced settings that need a lot of menu navigation like programming. Using NFC technology NFC provides a remote user interface using a smartphone to facilitate the configuration or setting of the product. In effect, the smartphone becomes the user interface of the product, and there is no need to use a complex display with a keyboard. The approach also does not require complex IT installation or pairing as would be required with other technologies like Bluetooth or Wifi. Because communication is based on proximity, data exchange is safe, and you do not need a password or login to connect. The Electric Radiator is COTHERM’s first equipment to use NFC technology, and the first market introduction is in France. The first company to introduce the technology is ‘Univ’R Chauffage’ for the 2021 winter season. For an installer, simplicity is key. Permanent communication link The actual appliance is simplified to include only the most commonly used functions The NFC approach provides time savings for installation as it does not require a login/password of a local network. And it is error free: An app can have a pre-defined setting package that is impossible using a native LCD+ keyboard on traditional equipment. For the user, the actual appliance is simplified to include only the most commonly used functions. There is no pairing or setting, ensuring simplicity. And the system is hacker-free as it requires a proximity exchange and works without the cloud. Data exchange is only activated while the smartphone is close to the radiator; there is no need for a permanent communication link. As a consequence, there are no waves pollution and no energy consumption that may be due to maintaining permanent communication. For appliance manufacturers, the cost-effective solution is innovative and easy to use. Limited support is needed as there is no installation (except downloading an app from the store). Industrial HVAC products The approach also enables a contactless customization of the appliance at the end of the production line in the factory with no power supply on the appliance because NFC is energy harvesting. The approach can be used for industrial HVAC products as well as residential appliances. NFC provides cost advantages, eliminating the need for a high-end display on an appliance. Some sensitive technical data or setting may be reserved for a technician only Information is also addressable: A filter can be set with data from the appliance accessible by profile. Some sensitive technical data or setting may be reserved for a technician only or for use at the factory. In the HVAC application as implemented, the controller of the appliance is used as the NFC tag and the smartphone is used as a reader/writer terminal with color display. The controller of the appliance includes an NFC antenna and a small, dedicated NFC controller with memory. Providing additional benefits On the other hand, the smartphone can be iOS or Android and needs to have the COTHERM NFC App downloaded. NFC is available on iPhone from iPhone 7 and on Android; all smartphones with NFC are compatible. NFC technology provides additional benefits, too, including: Traceability and storage of historical data. Easy setting of Wi-Fi or Bluetooth configuration when combined with NFC. Preset of the appliances or any equipment at the factory, including enabling or disabling. Functions or changing settings to enable customization based on distribution channel for brand. Directly points to the correct app on the store for download when using the smartphone for the first time. Self-launch of the app when the smartphone is close to the NFC tag. Further expansion is planned in Europe. The combination of the technology has received an innovation reward as a European funding project Touch & Heat by DIGIFED Europe program (Horizon H2020). Partners in the DIGIFED program are IoTize, a French startup, and Lucht LHZ, a German manufacturer of Electric Radiator. Product introduction in other European countries is planned for 2022. HVAC equipment such as water heaters or heat pump water heater controllers are the next target for the technology.

It’s shaping up to be a long, hot summer for HVAC contractors and their customers. Disruptions in the nationwide supply chain that began during the COVID-19 pandemic still have not been resolved. Shutdowns last summer played havoc with the supply of parts, and suppliers are still playing catch up, as raw materials remain scarce. Furthermore, prices are going up among some components and key raw materials. Waiting times for parts can run into weeks or even months. Supply shortages of HVAC equipment Summer weather increases the demand for HVAC equipment, especially in hotter climates. A spike in air conditioner demand is generally welcomed by most contractors, but supply shortages make it difficult to deliver on customer needs. Managing a backlog of impatient customers is a new challenge for many HVAC companies. The shortages impact materials, such as steel, aluminum, copper and plastics, whose costs are expected to rise in coming months. Among metals, the price hikes could be 20 to 30%, while prices of plastics could almost triple. Copper futures recently reached an all-time high, and steel price indexes are also at record levels. Shortages of electrical components Shortages have been reported of copper and electrical components, such as motors and compressors Shortages have been reported of copper and electrical components, such as motors and compressors, which are specific to the units that use them. There is also a shortage of microchips that are components in high-efficiency systems and furnaces, and resins used in the evaporator coil pans are scarce. Some HVAC supply firms have had difficulty obtaining evaporator coils used in air conditioners. Specialty items such as control boards have a wait time of up to two to three weeks, or longer. Shortages projected till end of 2021 The shortages are projected to continue until the end of 2021. Even as small shipments trickle in, they are often sold quickly. The situation is unfamiliar to the HVAC trade, which has traditionally not had issues with equipment availability. Shortages in the HVAC market are a reflection of broader supply and cost challenges of the construction market. Prices for goods used in residential construction have increased almost 10% over the past 12 months, according to the U.S. Bureau of Labor Statistics. Higher transportation costs impact supply chain Higher transportation costs are impacting both the supply chain and HVAC contractors. Personnel shortages continue to plague many HVAC companies, too, and a technician shortage is also contributing to longer wait times in some areas. A scarcity of labor has been a 20-year challenge for the HVAC industry, but it is reaching new levels as days go by. Order in advance and stockpiling equipment Alternatively, HVAC contractors may seek to switch brands to help ease availability issues One approach contractors are taking to the problem is to order equipment in advance and stockpile it for when they need it. One Denver contractor reportedly ordered almost a million dollars of equipment in advance. Alternatively, HVAC contractors may seek to switch brands to help ease availability issues. Identifying a manufacturer that has stock available can ease the inconvenience of customers having to wait for new equipment. need for regular HVAC maintenance Another approach is to educate homeowners about the importance of maintenance, such as changing filters, which can avoid a need for larger repairs involving equipment that is in short supply. Maintenance service is doable because it doesn’t require new equipment, replacements or add-ons that can be hard to come by. Unfortunately, among consumers, maintenance may have been delayed or ignored during the pandemic, which is aggravating the urgency of the current situation.

Artificial Intelligence (AI) is an emerging tool for a long list of applications, including the ability to analyze and ensure optimum performance of an HVAC system. Emerson’s Sensi Predict smart HVAC solution is an example of how AI can boost the capabilities of HVAC. It has been recognized with a Silver Edison Award in the Innovative Services – AI category. Sensi Predict smart HVAC solution Sensi Predict combines inputs from 10 sensors in an HVAC system and analyzes the performance of heating and cooling systems in real time. Intelligent monitoring alerts home owners and their contractors, when HVAC systems are not operating at full efficiency. The alerts, which can be accessed on a smartphone, can predict and prevent problems, ensure corrective maintenance, lower utility costs, and prolong the life of an HVAC system. Fault detection and diagnostics are a new frontier in HVAC technology, delivering a seamless and simple user experience. Sensi Predict HVAC system configuration Here is how the Sensi Predict system is configured: Sensors monitor the temperature of the air flowing from the HVAC system into the home, and also the return air temperature, coming from the home back into the system. Sensors also monitor temperatures in the liquid and vapor lines in the refrigerant loop, and the indoor and outdoor control lines, communicating back and forth from the thermostat to the outdoor unit. Other sensors monitor the current draw and indoor voltage of indoor units, and current and voltage to the outdoor units. Data from the sensors is used to analyze how well the HVAC is operating, including detailed monthly performance checks, with results issued to the home owner and the contractor. If a warning is detected, an alert will be sent in real time. 24/7 monitoring The 24/7 monitoring is summarized in a personalized home owner portal and monthly performance reports The 24/7 monitoring is summarized in a personalized home owner portal and monthly performance reports that include any alerts, loss of performance, runtime and estimated cost and filter status. Actionable alerts tell when a problem is detected, sent via an email with a straightforward explanation and recommended action. “Our heating and cooling systems are critical to the health and comfort of our families and the environment, yet we have little visibility into how they perform on a day-to-day basis,” said Jamie Froedge, Executive President of Emerson’s Commercial and Residential Solutions business. The Sensi Predict systems seek to provide additional visibility. Sharing real-time system insights The Edison Awards highlight top-tier new product innovation, service development and human-centered design. Named after inventor, Thomas Alva Edison, the awards recognize and honor global innovation. The award to Emerson’s Sensi Predict system recognizes it as a 21st-century solution to the maintenance of home heating, ventilation and air conditioning systems, sharing real-time system insights, in order to help home owners monitor performance and prevent unexpected problems. Maximize system lifetime and minimize energy costs “We are honored to be recognized for this innovative technology that provides both awareness and peace of mind, when it comes to an essential component of the home,” said Jamie Froedge. Sensi Predict also provides benefits related to installation, by validating a quality install and eliminating call backs. Over time, it maximizes system lifetime and minimizes energy costs. service and maintenance information In terms of maintenance, the system provides information to ensure that all contractor truck rolls generate revenue and decrease the average time on site. The 24/7 monitoring limits home visits to only when needed and increases transparency to the customer of suggested repairs and upgrades. Home owners can access the Sensi Predict Homeowner Portal on the official website for detailed information, based on real-time data about how their system is functioning and its performance history, energy usages and costs and predicted maintenance needs.

Teknotherm Marine España S.L. (Teknotherm) has landed its first new building contract. Teknotherm Marine España S.L. will deliver the complete HVAC maintenance and service, including installation work, on a suction dredger, to be built by Nodosa Shipyard. HVAC service for Omvac Catorce Nodosa Shipyard will build and design the 63.3 meters dredger, called Omvac Catorce, for Canlemar. Canlemar is dedicated to carrying out all kinds of maritime works, such as deepening and maintenance dredging in ports and bays, and construction of docks. Omvac Catorce is the third dredger that Canlemar has ordered with Nodosa Shipyard. Omvac Catorce will have a dredging capacity of 1200 m3 and a dredging depth of 30 m. The ship accommodates a crew of 10. The ship will comply with the IMO TIER III regulations of the International Maritime Organization, regarding the control and reduction of polluting and greenhouse emissions. With its adaptation to these regulations, this dredger will be able to navigate and operate anywhere in the world.

The mining industry uses a variety of corrosive chemicals in the extraction process of minerals such as gold, silver, platinum and other valuable raw materials. In the extraction of gold, for example, chemicals that are used in the process (ie., sodium hydroxide and sodium cyanide),  require to be constantly heated at certain temperatures in large containers (up to 50,000 gallons). Replaceable heating elements These temperatures also require precise controls in order to maintain their consistency and effectiveness. The mining industry has used Wattco immersion heaters to help them solve this problem. With the help of highly resistant alloys used with our tubular elements, seamless tubing as well as a well calculated watt density, Wattco was able to provide replaceable heating elements that would heat up the chemical solutions to efficient levels using digital SCR controllers to help maintain the required temperatures. Skid mounted systems were also used in sister facilities that assisted in transport A redundancy system was also engineered to allow for emergency situations and help protect the valuable product and avoid any downtime in the process. Skid mounted systems were also used in sister facilities that assisted in transport and modularized the heating system in anticipation of additional heating and power requirements. Benefits of Wattco immersion heaters are as follows: Even dangerous and corrosive liquids can use electric heating to assist in the extraction of valuable commodities without the use of flammable heating source such as gas. Safety and virtually maintenance free electric heating can be used in large tanks without the need of access holes from the side of the tank. Precise controls can be used to maintain sensitive temperatures in dangerous areas.

With help from celebrity investors like Dan Aykroyd and Aerosmith, House of Blues has been an iconic franchise in live music since 1992. The popular Boston location that opened in 2009 next to Fenway Park is a prime spot for concerts and private events. A packed schedule that leaves little downtime for the repair of the club’s HVAC equipment means that reliability and ease of maintenance are extremely important factors when making purchasing decisions. In 2016, energy recovery wheels in two rooftop air-handlers became blocked after six years of exposure to airborne particulates. Comfortable indoor environment Although efforts were made to unclog the damaged wheels, cleaning in place was not an option due to concerns that water and cleaning fluids could damage the ductwork and ceilings below. Without working energy recovery wheels, the heating and cooling systems were forced to work overtime, at increased cost, to provide a comfortable indoor environment for the 2000-plus concert goers. At House of Blues, airborne particles from the large crowds continue to clog the new wheels The building’s service contractor, Cullen Mechanical, determined that the wheels were beyond repair and needed to be replaced. Cullen’s engineers knew from past experience that simply replacing the wheels without solving the cleaning problem would invite the same undesirable maintenance situation. At House of Blues, airborne particles from the large crowds, special effects vapors, and confetti would continue to clog the new wheels if the energy transfer matrix could not be periodically maintained. Energy transfer segments When selecting replacement wheels, Cullen prioritized both ease of installation and the ability to clean or replace the energy recovery matrix once the units were in operation. As they’ve done in the past, Cullen chose Airxchange aftermarket replacement energy recovery wheels as the best solution moving forward. Airxchange offers a unique wheel design that allows a single person to remove pie-shaped energy transfer segments with basic hand tools to be cleaned outside of the cabinet. The refresh capability of Airxchange wheels means that they can be cleaned as often as the application dictates and counted on to last for the life of the HVAC system. In contrast to Airxchange wheels, the only cleaning or repair solution for the original wheels at House of Blues was to replace the entire wheel structure every 5-6 years, at great time and expense to the building owner. Rooftop air-Handling units An engineer from Airxchange presented Cullen Mechanical with a 6-8 hour wheel replacement plan After an onsite visit, an engineer from Airxchange presented Cullen Mechanical with a 6-8 hour wheel replacement plan that minimized HVAC system downtime, ensuring that the two units would be operational for the start of that evening’s show. Because of constraints of the air-handler designs, which blocked the removal or installation of fully assembled wheels, Cullen selected replacement wheel kits from Airxchange. These replacement kits could be easily carried through the theater and up the stairs to be quickly assembled within the cabinet of the rooftop air-handling units. In contrast, bringing any other manufacturer’s similarly sized wheel to the same rooftop would invite the cost and complexity of having a police detail shut down the sidewalk on Boston’s busy Lansdowne Street in order to operate a crane. HVAC comfort applications The replacement wheels were fully assembled and tested at the factory before being partially dismantled to fit into the unique access points of the air-handlers. Once the old wheels were removed by the service contractor, the two Airxchange wheels were assembled inside of the cabinets in less than four hours. Cullen took additional steps to reduce their client’s energy costs and HVAC system downtime Recognizing that entertainment venues often require more frequent cleanings than traditional HVAC comfort applications, Cullen took additional steps to reduce their client’s energy costs and potential HVAC system downtime. In addition to installing a fully serviceable wheel, they also ordered a complete set of replacement segments for each unit. Energy recovery wheels With a spare segment set on hand, operators can save time and maintenance costs by completely restoring the performance of any wheel in about 15 minutes. Once removed, dirty segments can be restored and prepared for the next cleaning cycle by soaking overnight in a cleaning solution. After the first successful winter in operation Cullen reports that the replacement wheels have lived up to the Airxchange Replacement Solutions motto; ‘Restore, Replace, Relax.’ And though there may be plenty of sad songs performed on their stage, the facility crew at House of Blues can now whistle a happy tune when it comes to maintaining their new energy recovery wheels.

The underfloor system at the prominently positioned Mayfair offices was originally installed in the year 2000 for Japanese construction company Teisei and has proved to be an adaptable services solution for the building over the past 18 years. The system at Hanover Street is the CAM-C system with underfloor supply air and underfloor return air. Each floor is effectively one zone, with a single CAM downflow unit supplying conditioned air to the underfloor plenum. Access flooring system This conditioned air is supplied into the workspace via fan terminal units, known as Fantiles which are recessed into the floor plenum. Approximately 80 standard size TU4 Fantiles are located over the building’s five floors and a fully stringered Nesite raised access flooring system supplied by AET is installed throughout. AET engineers worked with fit-out contractor Think-inside on the recent Cat-B works The original refurbishment of the property was specified to a high standard, designed by Architect, D.E.G.W offering a large, open plan floorplate, a generous floor to ceiling height of 2.7m, featuring full height glazing, 600mm2 carpet tiles for added flexibility and a high specification metal tile ceiling. M+E Consultant, Roger Preston & Partners specified the underfloor services solution to permit this high specification and offer maximum flexibility for future change and reconfiguration according to tenant demands. AET engineers worked with fit-out contractor Think-inside on the recent Cat-B works. Granting additional privacy The space had been returned to Cat-A status after the previous tenancy ended, leaving a blank canvas for new first floor occupier Quadreal. An initial validation survey of the UfAC system on the first floor identified repairs required to the underfloor baffle and a number of damaged return air grilles to be replaced. The underfloor baffle being essential to maintain properly as it divides the underfloor plenum into supply and return air paths. As well as the essential repairs, three additional Fantiles were supplied to cater for occupational increase and Quadreal opted to install sound attenuator boxes beneath all Fantiles in order to minimize noise transfer between cellular offices and grant additional privacy. Five Flextouch wall controllers were installed in the boardroom and offices permitting users easy control of temperature and fan speed as well as CO2 monitoring. The services upgrade and interior fit-out works were completed in April 2018 with Quadreal occupying the space immediately after completion.

Drury Southwest is a Missouri-based, family owned and operated hotel system with more than 130 hotels in 21 states. Founded in 1973, the Drury brands include Drury Inn & Suites®, Drury Inn®, Drury Plaza Hotel®, Drury Suites®, Pear Tree Inn by Drury®, and other brands. The company’s focus on exceptional customer service, spotless rooms, and best-in-class value earned the company a JD Power and Associates ranking of ‘Highest in Guest Satisfaction’ award from 2006-2014. Exceptional indoor air quality (IAQ) has long been a highlight of the guest experience at any Drury Hotel. Many hotels simply ventilate hallways and rely on bathroom exhaust fans to ventilate rooms by drawing fresh air through undercut doors. Delivering fresh outside air In contrast, Drury has delivered fresh outside air directly into each guest room for more than three decades. At the same time, return vents continually extract and exhaust stale air from each room. The management of Drury Southwest, currently headed by company president Dennis Vollink, believes that entering a room that smells and feels fresh is a key to guest satisfaction and repeat business. We feel that mold and humidity control is also an important factor in maintaining our buildings" “We believe that our strategy of bringing fresh air directly into our customer rooms and ventilating appropriately contributed to our winning of the JD Power and Associates Award for Guest Satisfaction, year over year,” shares Vollink. “We feel that mold and humidity control is also an important factor in maintaining our buildings,” adds Gregg Mrzlak, the Mechanical Project Manager for new constructions and renovations at Drury Southwest. Energy recovery wheels The challenge of prioritizing IAQ and using high ventilation rates is to cost effectively treat the fresh outdoor air for temperature and humidity. For the past fifteen years, Drury Southwest has utilized rotary energy recovery wheels manufactured by Airxchange, Inc. in new hotel constructions and HVAC system renovations of older buildings. Using an energy recovery wheel to recycle up to 80 percent of the energy in room exhaust air provides ‘free’ conditioning of the fresh outdoor air. For hotels located in humid climates, energy recovery wheels can be configured with desiccant that momentarily extracts water molecules from the incoming airstream and deposits them into the exhaust airstream, greatly decreasing the moisture load for building dehumidifiers. “ERV’s make it affordable to bring in the ever increasing large amounts of outside air required by both codes (ASHRAE 62.2) and our own in house standards,” notes Mrzlak. High ventilation rates Airxchange used by the Drury design team in 2006 at the Alamo Bank Building in San Antonio A pair of similar projects spanning a decade show how Airxchange wheels can be of particular use in the renovation of HVAC systems within the older buildings that are frequently refurbished and converted to Drury hotels. Airxchange used by the Drury design team in 2006 at the Alamo Bank Building in San Antonio, which was converted into a 370-room Drury Plaza Hotel. As part of the HVAC design, Dennis Vollink, acting as the principal mechanical engineer in addition to his role as company president, specified Airxchange cassettes. Long an advocate of using ERV technology to enable high ventilation rates, he was also faced with installation challenges and access limitations for the 100 year old building. The HVAC system would be located in a small attic and needed to be brought into the space through normal door-ways and stairwells. With flexibility in mind, Vollink selected an Airxchange’s ‘split-wheel,’ also known as the Field Assembled Cassette, that could be assembled onsite. Innovative polymer material The energy recovery surface is a durable and innovative polymer material that has proven to last for over 30 years in comfort HVAC applications. The polymer is formed into a matrix and segmented for easy removal or installation from the rigid stainless steel frame, making Airxchange wheels both light and serviceable. Drury uses ERVs in every project, whether it is a new build or a historic renovation" “Without Airxchange’s split wheel design, we would have had a very difficult time finding a way to install the ERV system,” offers Gregg Mrzlak. “Drury uses ERVs in every project, whether it is a new build or a historic renovation. The historic renovations are usually quite challenging as we have had to design and specify units that have to be brought into the building in pieces, with the largest piece small enough to fit into an elevator and then assembled in place.” Electric heater downstream The Drury team’s innovation at the Alamo Bank conversion did not stop with use of the split-wheel design. Drury decided to implement a unique strategy for providing heat, deciding to implement a central electric heater downstream from the Airxchange wheel. The effective pre-conditioning by the wheel minimized the required heating load enough that only supplemental heating was required. This design proved to have a lower first cost and Drury Hotels found it to be an efficient and practical solution. A similar theme is evident in one of Drury’s latest renovation projects, the 2015 transformation of the historic Board of Education building into a 180-room Drury Plaza Hotel. Working in tandem with the Cleveland Landmarks Commission to preserve the ornate appearance of the East Sixth Street building, Drury is initiating a complete internal renovation, including the installation of a new HVAC system. Air handling units were recently purchased from an original equipment manufacturer (OEM) that met their exact specifications, with one exception: Drury specifically requested that the energy recovery wheels that are normally included with those units be replaced.

One of the audacious projects that connect the US and Canada is found in the Keystone Pipeline Project stretching over 2,150 miles across the border, piercing through three provinces and more than half a dozen states like Arizona, Texas, Oklahoma, and Kansas. Of course, the biggest challenge is not about laying down the 36-inch pipeline that can transport up to 830,000 barrels per day, but how to keep the flow of such massive amounts of crude oil at an optimal condition without losing oil viscosity throughout the delivery. The use of flanged electric heaters in the oil industry is no new subject. However, keeping few hundred gallons of the tank and/or a few hundred feet of pipeline heated is not exactly the same as using those oil heaters. To keep the Keystone Pipeline flowing and maintain the flow rate constant requires an entirely different approach. The variance of external environments in various areas forces the construction of heaters to be more creative and context-oriented depending on where and how to implement them in each section of the areas. The Big Question: Which One? Distance of the pipeline suggests that flanged inline heaters are the ideal choice The big question is deciding which one of those industrial heaters to employ. Its answer is rather simple for engineers. The immense diameter and distance of the pipeline suggest that immersion heaters, more specifically flanged inline heaters, are the ideal choice. The construction of inline heaters offers several advantages. It is the best oil heater to maintain the constant heat temperature required for oil applications. The indirect heating also helps to maintain the temperature at a constant level. The heat spreads spontaneously throughout the pipeline sections. The ferocity of the environment also may require the best heating element and sheath material possible with the use of WATTCO™ products such Incoloy™ or Calrod™ specifically designed to withstand adversity. Effective Liquid Coolants   The special alloys are used to make sheathe shielding to protect the heating rods from corrosion and heat that may invade while submerging in the current of crude oil. They can be easily maintained, which is a huge advantage since emptying the pipeline for maintenance is virtually impossible. It also leads to the question of how to handle the coolant. Unlike some of those smaller-scale inline heaters in which using water within the heating chamber is more than adequate, this project requires much more effective liquid coolants to fill the heating chamber. Consideration for the Coolant The liquid form of coolants, most commonly used, consists of water and a wide variety of different kinds of chemicals Choosing the right heat transfer fluid, also known as coolant, is crucial in the success of Keystone Pipeline to preserve the desired oil viscosity. The effectiveness of the inline heaters is only as guaranteed as the effectiveness of the coolant used therein. Coolant comes in all three states: gas, liquid, and even solid. The liquid form of coolants, most commonly used, consists of water and a wide variety of different kinds of chemicals. They are often the best fit for general cooling purposes. However, the use of coolant sometimes requires more than a simple water type of setup. For various applications, other more complicated forms of coolants such as Liquefied Gases or Nano Fluids are needed. Taking all of these variables into account, a lot of engineering ingenuity will be required to optimally design the immersion heaters for this industrial heating project.

The practice of working from home soared during the coronavirus (COVID-19) pandemic and many observers see a likely continuation of the trend, as infection risks gradually subside. Both environments – home and office – depend on HVAC systems to keep occupants comfortable (and safe!). Therefore, the industry stands to be impacted whichever way the trend plays out. We asked our Expert Panel Roundtable: How will remote working affect residential and commercial HVAC?

The Internet of Things (IoT) is the network of physical objects embedded with sensors, software and other technologies to facilitate connecting and exchanging data with other devices and systems over the internet. Use of the IoT is expanding among both business and residential applications. However, there are hurdles to overcome, including security, privacy and networking challenges. As more HVAC devices embrace the IoT, we asked our Expert Panel Roundtable: What is the impact of the Internet of Things (IoT) on the HVAC market?