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Indoor Air Quality (IAQ) - Expert Commentary

The Low-Carbon Heating Toolbox: Making The Case Beyond Heat Pumps
The Low-Carbon Heating Toolbox: Making The Case Beyond Heat Pumps

At the moment, it seems as though a day rarely goes by without low-carbon heating hitting the headlines. Whether it is reports of ‘revamping’ the Clean Heat Grant, to include a ‘boiler scrappage’ scheme, which may offer home owners up to £7000 to make the switch to a low-carbon alternative, to speculation that the Prime Minister is under pressure to push back the 2035 ban on gas boilers, the debate on how and when the low-carbon heating revolution will happen is ongoing. BEIS Hydrogen Strategy We have also seen the recently published, Hydrogen Strategy from the Department for Business, Energy and Industrial Strategy (BEIS) that cements its plans to develop technologies that allow hydrogen-powered heating in people’s homes. In addition to this, the Future Homes Task Force, including some of the United Kingdom’s largest property developers, regulators, suppliers and environmental groups, have agreed to the sector-wide Future Homes Delivery Plan, to build homes that are ‘zero-carbon ready’ and sustainable by 2025. Alternative energy, key to hitting net zero targets by 2050 What is also clear is that tackling the decarbonization of heat is not a one-technology solution According to the Climate Change Committee, in a report published in December 2020, the UK’s homes are responsible for around 15 percent of emissions. As a result, the need to install alternatives to traditional fossil fuel heating systems will be crucial, to hitting our net zero targets, by 2050. This will be the key challenge that the delayed Heat and Buildings Strategy, now due in the autumn season, will need to address. Therefore, what is also clear is that tackling the decarbonization of heat is not a one-technology solution. Target to install air source heat pumps in UK homes So far, much of the focus has been on heat pumps, as the UK Government has set an ambitious target of installing 600,000 air source heat pumps (ASHPs) in UK homes each year, by 2028. However, there are a number of challenges to achieve this goal, as house builders will need convincing to install heat pumps in new builds, and home owners and landlords will need convincing to retrofit older properties. Cost, a key issue in air source heat pumps installation Cost will also be a key issue, even with a government grant and ASHPs can be complex to install. They can also emit noise that breaches legal limits, if placed too close to a neighboring property. In addition, they won’t be suitable for all properties, as the needs of a 4-bedroom new build home are very different to a 1970s apartment, a Victorian-era terrace, a social housing property or an off-grid home. Computer-controlled infrared heating (CCIR) One of the alternatives is computer-controlled infrared heating, which addresses many of the issues faced by ASHPs Taking all of these challenges into account, BEIS has said that it is ‘uncertain’ what the ‘optimal solution’ is, when it comes to low-carbon heating. Certainly, there is not a ‘one-size-fits-all’ solution for heating the UK’s homes, which is why it is vital that house builders, landlords, contractors, installers and developers explore the full range of low-carbon heating technologies that are available today. There are alternatives that can provide benefits that are much more likely to appeal to a wider range of end-user audiences. One of the alternatives is computer-controlled infrared heating (CCIR), which addresses many of the issues faced by ASHPs. High-performance heating Firstly, infrared is an intrinsically more effective source of heat than conventional convection heating, because it heats the material within a room, rather than the air, which can escape from doors and windows. CCIR systems also outperform many other low-carbon technologies, because the software within each panel constantly monitors each individual room and learns about the energy storage characteristics within it, adjusting its routine to maintain the ambient temperature within the room, maximizing its performance and using fewer units of energy, in comparison to a traditional heating system. KERS water heating system This keeps energy bills low, and meets increasing sustainability standards. Figures show that, out of 29 million homes in the United Kingdom, 19 million have an EPC lower than C. Together with Ambion Heating’s KERS water heating system, inefficient properties can be brought up to a minimum EPC C. CCIR also costs less to install than many other low-carbon heating alternatives CCIR also costs less to install than many other low-carbon heating alternatives. In a typical three-bedroom house, for example, the estimated cost of installing a CCIR system is around £6,000, compared to nearly £10,500 for an ASHP. They are also easy to install, whether they’re being retrofitted into an existing building or installed within a new build, because they can simply be wired into the mains, by a qualified electrician. Enhanced comfort and reduced emissions The heat CCIR provides feels more natural and comfortable, once the fabric of the room is saturated with energy, and it emits a comfortable, radiant heat. It also reduces humidity, as well as improves the air quality within a building, reducing the amount of circulating dust. In fact, in an independent performance review, CCIR provided the same levels of comfort within a room, using 60% less energy than a standard electric convection system, and on a par with ASHPs. Heating solutions for a low-carbon future While there is a real urgency, when it comes to decarbonizing heat, it’s vital to consider which technologies offer the most benefits to the end user. By understanding and investigating all of the alternatives to gas central heating, such as CCIR, the benefits will not only be felt in the short term, they are a sustainable solution for the longer term.

Maintain Excellent Indoor Air Quality With HVAC Upgrades
Maintain Excellent Indoor Air Quality With HVAC Upgrades

Indoor air quality (IAQ) has become an area of emphasis among those in the HVAC industry and on a national level. Homes, offices, schools, and everything in between are being reevaluated with the ambition of having the best IAQ possible. Maintaining a high level of air quality is an important factor in encouraging a cleaner indoor breathing environment, which can lead to the better overall health and well-being of our families and communities. Clean air is especially important now with more waves of COVID-19 hitting and the onset of seasonal sicknesses like the flu and colds on the horizon. Now is the time for HVAC manufacturers to implement solutions to make returning to everyday life more seamless as we venture back out into the world.  Mechanical HVAC equipment offers the perfect opportunity to improve IAQ in commercial facilities. Facility managers choosing to opt for enhanced air quality should focus on three areas for unit upgrades: controlled ventilation, dehumidification, and filtration. While there are countless minor changes one can make to improve IAQ, such as using exhaust fans to increase circulation, HVAC upgrades are the best and most efficient option to give building occupants the IAQ they need for maximum comfort and safety. Out with the old, in with the new Ventilation and the ability to control it are a necessity in maintaining a high level of air quality. Being able to control how much outdoor air circulates inside gives facility managers a tool to not only improve IAQ but also create consistent comfort for the building occupants.    Controlled ventilation creates an avenue to help occupants breathe easier, feel better and be more proactive Outdoor air tends to be cleaner than indoor air, so bringing air in from outside is vital. Controlled ventilation creates an avenue to help occupants breathe easier, feel better and be more proactive in your space. With the proper HVAC upgrades, you can make sure the ventilation rate is controlled in a manner that will be most beneficial and effective for specific situations. By pushing indoor air out and bringing new outdoor air in, you are effectively limiting the number of harmful pathogens from the commercial space. Limiting particles in the air It is important to make sure your HVAC system is running smoothly and efficiently, especially during a time like now when airborne pathogens are prevalent. With COVID-19 continuing to affect people, maintaining excellent IAQ is certainly a priority.  The removal of particulates from indoor air is a necessary process for HVAC systems. The ASHRAE recommendation for filtration is now MERV 13, which has increased from MERV 8 or MERV 10 in past years. The ability of the MERV 13 filter to grab smaller particulates floating in the air is a great advantage in maintaining IAQ. With an upgrade in HVAC filter equipment, dust, smoke, and other particulates can be reduced and greatly benefit air quality. Finding the humidity sweet spot If you live or work somewhere humid, you understand how miserable it can be outside, especially in warmer months. Even with temperature-controlled air inside, humidity can be present indoors. This can lead to not only an uncomfortable feeling inside but also a potentially harmful breathing environment. Mold, mildew and organic growth can all result from inadequate moisture removal.  With the proper equipment, your indoor air will be less humid, leading to a continued high-level IAQ That is why dehumidification is such an important aspect of keeping us comfortable and safe inside. The sweet spot when it comes to relative humidity is between 40 and 60 percent. If your HVAC can handle higher latent loads associated with outdoor air, you should not experience the sticky feeling that will come along with a humid space. More importantly, dehumidification assists in lowering the chances of mold or organic growth appearing indoors. Hidden mold or mildew can cause issues that may affect your respiratory system. With the proper equipment, your indoor air will be less humid, leading to a continued high-level IAQ. Upgrading your HVAC As we continue to learn more about the benefits of maintaining excellent IAQ, it is clear HVAC upgrades are part of the process. Having clean and fresh air in our indoor spaces has many advantages, especially when occupants are confined to common areas. Safety and well-being are priorities when dealing with the air we breathe. Efficiency makes a difference in IAQ performance, so making sure you have the most reliable HVAC equipment is a great way to improve indoor air quality and maintain an excellent IAQ. IAQ directly impacts the health, comfort, and even some of the learning outcomes of occupants in a space Pulling contaminants from the air through filtration, removing moisture with dehumidification, and bringing in fresh air from the outside by ventilation are all solutions for maintaining a high IAQ. It is through proper equipment and upgrades that we can continue to keep occupants safe and comfortable as best we can. IAQ directly impacts the health, comfort, and even some of the learning outcomes of occupants in a space. Improving each of these factors is important in creating a comfortable indoor environment that encourages an increase in fresh and clean air.   

HVAC Efficiency Enabled By The Smart Buildings Of The Future
HVAC Efficiency Enabled By The Smart Buildings Of The Future

In today’s world, we spend almost 90 per cent of our time indoors, in our workplaces, leisure areas and our homes. It is no secret that the built environment has been relatively slow in its embrace of information technology and automation. According to KPMG’s ‘Building a Technology Advantage’ report, fewer than 20 percent of construction and engineering executives, and major-project owners said they are re-thinking their business models, so as to incorporate new technology. Yet, it has now become a necessity, as energy efficiency becomes a more prominent topic discussion, which is leading to sweeping changes across all aspects of our lives and none more so than in the built environment. Commitment to net-zero emissions Governments are beginning to impose tighter restrictions on building use, energy consumption and emissions. Policymakers around the world are committing to net-zero emissions targets, with more than 60 countries pledging to achieve carbon neutrality by 2050. For example, the European Union (EU) is committed to become a carbon-neutral economy, with net-zero emissions by 2050 and all new buildings within the EU must be constructed as near-zero energy buildings. Meanwhile, China has legislated that at least 30 per cent of all new buildings must be ‘green’. Smart technology to better manage HVAC Technology can help optimize energy consumption and create energy efficiency in our buildings Given this new trend towards energy efficiency in the real estate sector, smart technology is needed to better manage HVAC and energy consumption. Buildings currently contribute 40 per cent of global carbon emissions, a problem exacerbated by extreme weather conditions across the globe, which increases demand for electricity, as more people rely on air conditioning for cooling. Technology can help optimize energy consumption and create energy efficiency in our buildings, alleviating many of the problems that we have today. Technology enabled by the Internet of Things (IoT) can optimize comfort and safety, while providing remote operability and access to everything from HVAC systems to security cameras. At the same time, data collection and integration with cloud-based services allow for powerful energy efficiency measures. Designing and operating Smart buildings The concept and operation of smart buildings is not new. Architects and developers have been installing separate systems to control lighting and HVAC for decades. Later systems have evolved and helped building managers control access to different areas of a site, mitigate fire risk and protect against power surges. What is new is the addition of web-based platforms, in order to allow these verticals to integrate seamlessly with each other. The building of tomorrow is achievable today, using the latest in automation intelligence to control lighting, air-conditioning and heating. With these digital solutions, everything can be controlled remotely and allow for complete control, whenever it is needed most. Increased use of smart technology The first step in managing HVAC energy is to understand exactly how much is being used and where it is used. With this information at hand, managers can highlight areas for improvement, which in turn will help a building become more efficient and ultimately, save money. Another step in managing HVAC energy is including smart technology alongside your system Another step in managing HVAC energy is including smart technology alongside your system, as it can minimize maintenance costs. Predictive fault-finding can save maintenance time and labor, as well as minimizing downtime for expensive equipment or services. It is estimated that smart-enabled predictive maintenance is three to nine times cheaper than a traditional reactive approach. Tenant and occupant satisfaction are often also higher, as systems that experience failure can be identified, repaired and re-booted quickly. Smart building systems Smart building systems, such as ABB i-bus KNX ClimaECO and ABB Cylon BACnet solutions, can combine HVAC in one holistic solution, from central control and management of heating and cooling systems, down to room-level automation. Smart systems simplify the implementation of intelligent automation in modern buildings and using pre-installed algorithms, can make autonomous decisions on things, such as adjusting lighting and HVAC levels, to reflect time of day, external environment, occupancy levels or other variables. Additionally, data collection and data analysis enabled by IoT allows for increased knowledge and better predictions of use. Working with a smart building, which is interconnected, can act and learn on this data, while providing remote access to data and analytics for human oversight. The ROI of smart technology implementation In addition to legislation driving change, being ‘smart’ provides other real benefits for developers and owners. As a building adapts to the demands of its users or the goals of its managers, it can save energy, cut emissions and reduce energy costs. More effective and efficient use of power can save money, quickly repaying initial technology expenditure Comparing energy savings to the falling cost of installing a basic smart management system, smart buildings immediately prove their worth. According to HSBC, if a smart system delivered an energy cost saving of 25 per cent, on an installation cost of US$ 37,500, for a 50,000 sq. ft building, the annual savings could be as much as US$ 23,000, giving a payback period of less than two years. More effective and efficient use of power can save money, quickly repaying initial technology expenditure. HVAC and lighting alone can account for about 50 per cent of energy use in an average commercial building, but by incorporating smart automation, managers may see decreased energy costs of up to 30 to 50 per cent. Leading the fight against climate change Technologies, such as IoT and Artificial Intelligence (AI) are crucial to help us in the fight against climate change. These technologies help users, owners, operators and facility managers interact with the buildings of the future effortlessly, with personalized comfort and maximum efficiency. Artificial Intelligence and IoT is constantly in a state of evolution, as more applications for the technology are discovered. Given the ever-changing nature of technology, the possibilities for smart buildings in the future are endless.

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Aircuity Shares An Insight On Beyond COVID-19 To The Vast Benefits Of Cleaner Workplace Air
Aircuity Shares An Insight On Beyond COVID-19 To The Vast Benefits Of Cleaner Workplace Air

The air quality of our indoor spaces has seen renewed interest in the past 18-months as a strong relationship emerges between the quality or flow of air and the spread of coronavirus. In the rush to get workers back into their physical workplaces, we have seen a surge of office buildings improving and reconfiguring their HVAC systems to better protect employees from COVID, even monitoring systems that provide building occupants a real-time view of air quality throughout the building. Better air quality has not only become beneficial for workplaces during the pandemic, however, there are also many other reasons to improve HVAC systems. COVID has simply made better air quality necessary for companies, rather than a nice-to-have. Honeywell Survey 60% said they are more likely to invest in indoor air quality optimization technology A June survey by Honeywell questioned 1,554 facility managers around the world on the impact of COVID-19, with 75% confirming that the pandemic has caused them to permanently rethink how their buildings operate. Within the results, nearly 60% said they are more likely to invest in indoor air quality optimization technology. Another study compiled by 39 scientists from 14 countries and published in the journal ‘Science’ has demanded universal recognition that infections can be prevented by improving air ventilation systems in buildings. While a survey of 436 human resources managers in the US, conducted by Pollfish on behalf of Omni CleanAir, found that nearly every business surveyed took steps to improve air quality during the pandemic. Pollfish Omni CleanAir Survey The Pollfish – Omni CleanAir survey found that 73% of surveyed organizations had upgraded existing HVAC systems to support improved filtration, namely the introduction of MERV13 filtration, while 63% reported the installation of medical-grade filtration such as HEPA into their central HVAC systems. A further half of respondents said their organizations had introduced portable HEPA filtration machines, while 42% had deployed ultraviolet germicidal irradiation (UVGI) and 38% had deployed air ionization technologies. After years of relatively minimal improvements to air quality in workplaces, the pandemic has driven buildings to follow official guidance on best practices for clean air. Combining Filters and Air Cleaners According to ASHRAE, using combinations of filters and air cleaners that achieve MERV 13 or better levels of performance for air recirculated by HVAC systems is a core recommendation for reducing exposure to airborne infectious diseases. Meanwhile, public health information during the pandemic has made a clear distinction between the rate of transmission between indoor and outdoor air-quality environments. This has prompted commercial building designers to bring more of the outdoor air into the building through ventilation systems and new architectural design approaches. Authority Comment “Dozens of the world’s top experts in how diseases spread have called for big improvements to the air in buildings and there is now a recognition by the WHO and the CDC that coronavirus can spread through the air. However, cleaner air won’t just fight the COVID pandemic, it will also minimize the risk of catching flu and other respiratory infections that cost the US alone more than $50 billion a year,” said Phillip Dowds, the founder and director of OKTO. “Businesses are annually being hit with the costs associated with sick leave and loss of productivity due to poor air quality and ventilation systems, viruses, flu symptoms, asthma, chest infections, etc.” Varying Air Quality Conditions Workplace air quality is not just about reducing sickness eitherVarious studies have long proven a link between air quality and absenteeism. A 2002 study by Milton DK. et al., compared employee absenteeism in offices with varying air quality conditions. They found that short-term sick leave was 35% lower in offices ventilated by an outdoor air supply rate of 24 l/s compared to buildings with rates of 12 l/s. This staggering statistic may support Dowds “$50 billion a year” in losses claim and suggests that companies should have been investing much more significantly in air quality technology long before the pandemic. Employees not being able to work due to sickness is a huge drain on companies but workplace air quality is not just about reducing sickness either.  Air Quality Better air quality also improves the overall health, wellness, and comfort of employees, thereby increasing their ability to concentrate and making them more productive. Several studies have found that high levels of carbon dioxide (CO2), or low levels of oxygen, in offices make us drowsy, affecting our concentration and decision-making abilities. Traditional building regulations have brought about well-insulated office spaces, reducing temperature fluctuations but also reducing the fresh air circulation. Typical outdoor CO2 concentrations hover around 380 parts per million (ppm), while within offices CO2 concentrations were found to be as high as several thousand ppm. All organizations desire greater employee productivity and, therefore, all companies should seek better air quality. Cost-Effective All companies also want to reduce their costs, and while capital investments in better HVAC systems can be expensive, the operational cost reductions from smarter HVAC usually pay off in the long run. Combined with sensors and analytics, HVAC systems can better understand and react to the actual use of spaces in buildings to find new efficiencies, namely by not heating, cooling, and ventilating unused areas of the building. A layer of artificial intelligence applied to HVAC control can go further by using prediction and advanced analytics to find even greater efficiencies as well as better integrating with other systems to meet overall building objectives. AI Commercial Building Report “The quality of the air as a determinant of occupant health, wellbeing and satisfaction is steadily gaining greater recognition. Several of the more sophisticated offerings in this domain tie into building management and HVAC systems together, and are using AI to balance air quality, energy efficiency, and comfort priorities and determine optimal control systems,” explains the recent AI in commercial buildings report. COVID-19 has forced companies to invest in technology that can improve air quality “Others integrate with predictive analytics solutions, providing improved insight into systems maintenance requirements. A number of the solutions also use occupancy data to help drive optimized ventilation and airflow conditions depending on current levels of occupation in a building.” COVID-19 The COVID-19 pandemic has forced companies to invest in technology that can improve air quality in their workplaces, through regulation and public pressure to better protect employees. However, once the smoke clears on this global crisis, office buildings around the world will find their workers are more resilient to many kinds of sickness, reducing absenteeism, and more productive when they are at work, due to the cognitive benefits of cleaner air. Many of the smart technologies required to improve air quality will also drive cost reductions and open the door to other smart systems such as occupancy and space analytics. While challenging almost every business in the world, the COVID-19 pandemic can also breathe new life into the smart workplace.

2020 Rewind: Highlighting Sustainability In The Age Of Climate Change
2020 Rewind: Highlighting Sustainability In The Age Of Climate Change

Sustainability and environmental impact are core issues of the HVAC market in 2020 or any year. During the last year, HVACinformed.com has addressed multiple facets of sustainability in some of our most popular articles. This retrospective will highlight some of the sustainability articles published during 2020 at HVACInformed.com. An HVACInformed.com Expert Panel Roundtable commented on various aspects of sustainability, including the responsibility of HVAC manufacturers to develop more sustainable, energy-efficient products that can reduce a building’s reliance on fossil fuels. Energy consumption pattern Honeywell has launched a platform that incorporates newer technology. Combining self-learning algorithms with building automation, Honeywell Forge Energy Optimization is a cloud-based system that analyzes a building’s energy consumption pattern and adjusts its settings. Heat networks, or district heating, are becoming an ever-greater part of the industry’s involvement Pete Mills of Bosch Commercial & Industrial outlines how cities are using ‘heat networks’ to achieve carbon emission targets in the United Kingdom. Heat networks, or district heating, are becoming an ever-greater part of the industry’s involvement in larger-scale schemes. The ability to help the decarbonization of heat both now and in the future has made them an attractive solution to the new-build sector, as well as those undergoing deep renovation works. Centralized heat generator Generally, heat networks are defined as a system of supply pipes with a centralized heat generator (Energy Center) that serves multiple domestic or non-domestic dwellings. These are usually in different buildings, but sometimes within a single large building like an apartment block or a university campus. Some U.S. cities are taking the lead to make building performance standards mandatory, thus providing additional incentive for customers to invest in new, more efficient and climate-friendly HVAC technologies. New York City has deployed its Carbon Mobilization Act, which will cut six million tons of CO2 annually by 2020. Washington D.C. adopted the first Building Energy Performance Standard, which will reduce energy use in buildings by more than 20%, thereby lowering carbon dioxide emissions by a million tons annually. Improving environmental performance Newer buildings tend to be designed to be ‘green’, but what about older existing buildings, which still represent the largest share of environmental impact? There is more work to be done in the retrofit sector; and improving environmental performance of older buildings often involves ‘deep retrofits’ that are costly and impact multiple factors inside a building. In the COVID-19 era, there is also growing concern about needs such as circulating outside air, increasing humidity, and improving filtration systems even as older buildings seek to become greener. The consistent theme is a need to work toward better-designed, more energy efficient and healthier buildings The consistent theme is a need to work toward better-designed, more energy efficient and healthier buildings. The California Air Resources Board (CARB) is moving forward with rulemaking that sets limits and deadlines to decrease the use of refrigerants with global warming potential (GWP) in the commercial refrigeration market and in the residential and commercial stationary air conditioning equipment markets. Air conditioning systems California regulations are widely expected to influence the direction of other states seeking to regulate GWP of refrigerants. The addition of biodiesel lowers the carbon content (and thus the environmental impact) of heating oil. The U.S. Environmental Protection Agency says biodiesel reduces greenhouse gas emissions, including nitrogen oxide. The process of making biodiesel from renewable and organic sources also boosts the environmental profile. The Wyss Institute at Harvard University has developed an evaporative cooling system that uses a specially coated ceramic to cool air without adding humidity. Researchers say the approach can yield more affordable and environmentally friendly air conditioning systems for the future.

Honeywell Unveils Honeywell Electronic Air Cleaners With UV Systems And New Line Of IAQ Sensors
Honeywell Unveils Honeywell Electronic Air Cleaners With UV Systems And New Line Of IAQ Sensors

Honeywell has announced expanding its holistic Healthy Buildings Air Quality offering to help improve and measure commercial building indoor air quality (IAQ) with the introduction of Honeywell Electronic Air Cleaners (EACs) with UV Systems and a new line of indoor air quality (IAQ) sensors. Honeywell Electronic Air Cleaners Honeywell EACs with UV help remove impurities from the air as well as provide filtration and disinfection, without significantly impeding air flow. The new IAQ sensors include Honeywell's Particulate Matter Sensor PM 2.5, Total Volatile Organic Compound (TVOC) Sensor and All-in-One IAQ Sensor. Air quality is essential to a healthy building. It can impact occupant health and productivity, energy efficiency and real estate value. The quality of air is affected by the presence of pollutants in the indoor environment that may cause harm. Facilitating cleaner and safer buildings Building owners are looking for ways to create safer, cleaner air to instill occupant confidence" When IAQ is poor, occupants can experience a drop in productivity as well as adverse health effects such as asthma and bronchitis. The concentration of some pollutants can be two to five times higher indoors than typical outdoor concentrations. "More people are paying attention to air quality and the importance of creating healthier environments in the spaces we use for work, school, entertainment and travel," said Manish Sharma, Vice President and Chief Technology Officer, Honeywell Building Technologies, adding "Building owners are looking for ways to create safer, cleaner air to instill occupant confidence as well as attract future commercial tenants." Sensing technology aids in enhancing IAQ Manish added "We're talking to hundreds of customers who are navigating these concerns right now and working with them to update their building systems to better protect occupants. It doesn't always have to be a complicated process of ripping out old equipment and starting from scratch. It can be a straight-forward HVAC upgrade with modifications that address specific concerns and minimize potential side effects.” He further stated, “Sensing technology is an important tool to identify opportunities for adjustments, only when you can measure particles can you properly control them. Adding a system like Honeywell's can improve a building's air quality by filtering particulates and reducing contaminants." Boosting indoor air flow and quality Honeywell EACs use an electric charge to help remove solid and liquid impurities from the air without impeding air flow. The UV System emits ultraviolet light to damage the DNA structure of certain microbes at the cellular level and inactivate various viral, bacterial and fungal organisms – thus providing filtration and disinfection in one system. Ideal for retrofits, property upgrades and new construction alike, Honeywell EACs with UV Systems can be installed inside a commercial HVAC system, without the need to remove old equipment and install a new system entirely. Honeywell EACs can help save energy, while providing a better heat exchange and can pay for itself with the savings. Enhancing IAQ without changing HVAC infrastructure Honeywell IAQ sensors help owners better determine a building's environmental state and air quality status The new Honeywell IAQ sensors help building owners better determine a building's environmental state and air quality status and allow them to take corrective actions through the building management system (BMS) without a need to rip and replace existing sensors. It is possible to add new sensors to existing temperature, humidity and CO2 sensors currently in place within the building or deploy new All-in-one IAQ sensors to cover multiple sensing requirements in one device. Healthy Buildings solutions Honeywell EACs with UV Systems and new IAQ sensors are the latest in a suite of offerings from the company that focus on creating healthier buildings. Honeywell recently announced upgrades to the Pro-Watch and MAXPRO Network Video Recorders and Video Management Systems solutions, which use analytics and artificial intelligence to identify if building occupants are complying with guidelines around social distancing and wearing masks. Honeywell's Healthy Buildings solution help building owners improve the health of their building environments, operate more cleanly and safely, comply with social distancing policies, and help reassure occupants that it is safe to return to the workplace. These Honeywell solutions are part of a comprehensive effort among Honeywell's businesses to come together to quickly develop solutions that are helping important sectors of the global economy recover.

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