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It is said that the COVID-19 pandemic has been one of the single biggest driving forces behind the digitalization of industries ever seen. And although not new within HVAC infrastructures – especially within the food retail environment where it has been rolled out extensively – remote management and automation of HVAC systems is increasingly being used to support supermarket responses to COVID-19. From air filtration through to dynamic scheduling, digitalization of HVAC within the food retail sector is going through something of a renaissance. Pre-COVID Digitalization Software solutions that use Internet of Things (IoT) technology to analyze data from HVAC infrastructures, for example, are common in food retail stores. These solutions work by monitoring mission critical aspects of HVAC systems, from simple temperature data through to complex asset monitoring. This data can then either be fed back to the retailer for them to perform their own analysis or, using more advanced IoT technology, can be used to enact automated HVAC outcomes. Software solutions that use IoT technology to analyze data from HVAC infrastructures are common in food retail stores From preventing HVAC asset’s overworking – and therefore expending too much energy – through to detecting the first stages of a fault and alerting the relevant maintenance engineers, automation has been shown to deliver numerous benefits. These combine to serve the retailer’s primary purposes; enhancing the consumers in-store experience, improving the bottom line and decreasing energy usage to lower carbon footprint. But not only is the digitalization of HVAC helping food retailers drive down costs and energy, advances in areas such as air filtration and dynamic scheduling have meant that it is also being seen as a potential solution to COVID-19 related issues. Filtering Out the Virus Air filtration is a primary focus when looking for ways to keep internal spaces free from pathogens. While not exactly a new feature for HVAC systems, food retailers have been increasingly working towards implementing or improving their existing air filtration techniques in their stores. The solution to keeping air clean and fresh is actually quite straightforward and relies on the same technology that many stores already use to monitor CO2. Advances in areas such as air filtration and dynamic scheduling have meant that HVAC is being seen as a potential solution to COVID-19 By connecting CO2 monitors to a central controls panel (the technical way of describing the place where all of the sensor data is collected and, in some cases, analyzed), sensors are able to detect the CO2 levels instore, signal if they begin to drift past a pre-determined base level, and automatically alert the HVAC systems to provide more fresh air into the store. This is a simple process of optimization. Additional sensors detect when fresh air is either too humid, hot or cold to be filtered into the store and rectify this by automatically adjusting the HVAC. Essentially, monitoring CO2 and air quality levels makes sure the air in a store is constantly fresh and filtered to keep the chances of airborne transmission as low as possible without causing the HVAC systems to expend any more energy than is necessary. Research has shown that COVID-19 spreads through small respiratory droplets that are released into the air from an infected person when coughing, talking or even breathing. Within a store environment therefore, where surface contamination and proximity to other people are likely to increase the chances of transmitting the virus, optimized fresh air flow to dilute indoor air is desirable. By detecting higher levels of CO2 within the air which in turn increases the chances of pathogens floating around, food retailers can automate their HVAC systems to filtrate the air and significantly reduce chances of transmission. Dynamic HVAC Response Air filtration isn’t the only way that food retailers are combining digitalization and HVAC systems to help them navigate the ‘new normal’. With store opening times continually changing, fewer people inside a store at any one time and staff performing additional and stricter clean regimes after hours, the requirements for optimum store temperature have moved from static to dynamic. Before the pandemic, HVAC systems would have to keep an average non-24 hour store at the optimum temperature for between say, 7am and 11pm, and would have to work a little harder to deliver more air into the store during the lunch time rush and post-work peaks – a mostly predictable routine. Research has shown that COVID-19 spreads through small respiratory droplets that are released into the air from an infected person Now, however, with adjusted store schedules and social distancing regulations, the footfall and peak traffic times have changed dramatically. Through digitally enabled remote management of HVAC temperatures and schedules, new schedules could be deployed across the estate at the touch of a button. Real-time monitoring of in-store temperatures and the volume of people inside also enables HVAC systems to run more efficiently by stopping them from filtering in more outside air than is necessary in a shop that contains fewer customers than normal. IoT solutions are ensuring HVAC infrastructures are running efficiently, saving energy, helping a retailer’s bottom line and most importantly, ensuring the comfort and safety of customers and colleagues. However, as retailers look for solutions to the challenges posed by the post-COVID landscape, digitalized HVAC is breathing fresh air into the industry. From improved air filtration to dynamic schedule monitoring, digitalized HVAC systems are proving to be an important tool in a food retailer’s arsenal as they navigate the new normal.
Effective heating, ventilation and air conditioning systems have always been part of maintaining a healthy building environment, and with the impact of COVID-19 and the unique way the virus is spread, it has never been more imperative that HVAC plays a vital role in keeping occupants of buildings safe, especially as people begin to return to the office and other commercial environments. COVID-19 has three known contamination routes. First of all, there is person-to-person transmission, which could be indirect too, if the virus travels from someone to a surface they have touched, which is then touched by another person. Then there is airborne transmission. The British Council for Offices (BCO)’s Thoughts on Office Design and Operation After COVID 19 document talks of large droplets, greater than 10 micrometres, “expelled by sneezing and coughing and in still air, typically within about 2 metres of the infected person.” But Dr Linsey Marr, the Charles P. Lunsford Professor of Civil and Environmental Engineering at Virginia Tech, speaking to the New Scientist says that people emit thousands of times more smaller droplets than larger ones. She thinks that it is these ones that infect people with COVID-19. Then there’s the third contamination route: faecal to oral whereby particles from the toilet can enter people’s respiritory systems when using WCs. Counteracting COVID-19 transmission There are several methods to counteract these routes of transmission. The risk of the virus spreading from person-to-person can be lessened where there is a focus on smart technology. This begins upon arrival at a building, with the use of touchless entry systems, for instance harnessing facial recognition technology. Once inside, staff could then be directed to an area of the office that isn’t already occupied via digital signage or an app. And instead of manually pressing a button, information from the employee’s ID pass about which floor they work on can be read by a card reader, activating the elevator. As for transmissions via surfaces, scientists have emphasized copper’s antibacterial properties, with COVID-19 surviving just a few hours on copper, compared with a number of days for steel or plastic. William Keevil, a senior microbiologist at the University of Southampton, has recently suggested that the UK is behind other countries in using this material on communal areas like handrails and doorknobs. Copper-based nickel would perform better than chrome in certain parts of the office too. The risk of the virus spreading from person-to-person can be lessened where there is a focus on smart technology To dilute airborne contamination, the Chartered Institute of Building Service Engineers (CIBSE) recommends running ventilation systems at a higher flow rate. “This may require changes to C02 set points for both mechanical ventilation and automated windows,” it states in its COVID-19 Ventilation Guidance. Airborne Particles and the need for ventilation Chinese and American academics looking at outbreaks in the Chinese province of Zhejiang found that airborne transmission of the virus may have taken place in 48.3% of people in a badly ventilated office. Essentially to stop the spread of COVID-19, ventilation needs to be increased and more fresh air needs to be brought in. The risk of contamination via recirculated air can be mitigated with a higher level of filtration such as F9. This is a very fine system that will catch nanoparticles of 70nm but does involve greater energy use to overcome the resistance. The alternative is to keep these systems on for much longer – typically two hours before people arrive and then two hours after they leave. CIBSE’s COVID-19 report also states that, “Recirculation of air within a single room, where this is complemented by an outdoor air supply, is acceptable.” Getting abundant fresh air in the system is key. This could be as simple as just opening the windows. The BCO’s report goes so far as to say, “Actively use operable windows and openings to boost ventilation to occupied spaces as much as possible, even if this is at the expense of thermal comfort.” Fan coils and Chilled beams Getting abundant fresh air in the system is key The BCO also recommends that fan coils, which recirculate air locally in the occupied space, “should be frequently and thoroughly cleaned and where condensation occurs, drain pans and traps should be maintained frequently to prevent growth of bacteria and mold.” It is also a recommendation that HepVo traps are installed on condensate systems that drain into waste pipework. As far as chilled beams are concerned, CIBSE says that active chilled beams can be operated as normal, while with passive chilled beams there should be a good supply of air. I would be interested to see some further research on the performance of underfloor and low level air distribution. The lower velocities and laminar air flow associated with these systems causes less air turbulence, particularly in the zone where air is breathed. This would seem to have an obvious advantage in reducing the risk of virus spread in an office environment. Mixed Mode Ventilation The ‘mixed mode’ of ventilation will become more commonplace. When it is not high summer, the cooling can be turned off so windows can be opened. This could even eventually replace the familiar sealed building model. This system can happen automatically with sensors, after all, fresh air is good for people: There are several recent examples of this being done successfully, other building such as London Wall Place, have been designed future proofed for ‘mixed mode’ use to be adopted if this is preferred by a tenant. Meanwhile, to combat faecal-oral transmission, bathroom extraction fans need to be kept on high and again perhaps running the systems for 24 hours a day. Toilets that automatically shut and touchless flushes can also help to stop the spread of the virus. The same goes for anti-bacterial coatings on bathroom doors. Some of clients are considering motorized doors that are effectively ‘touch free’. Post-COVID Ventilation Strategies Toilets that automatically shut and touchless flushes can also help to stop the spread of the virus There is definitely set to be more access to outside air moving forward and there is a strong sustainability argument to be made for this method. However, some of the changes to ventilation strategies being deployed for a post-COVID world will inevitably have some compromises for carbon emissions. If systems are run at a higher rate and for longer, if not continuously, throughout the day then that has implications for a larger carbon footprint, as the buildings become less energy efficient. However, in the middle of a global pandemic, it’s a price worth paying. As energy saving methods (thermal wheels and plate heat exchangers) also present a risk, CIBSE recommends that these are bypassed and not used in the current environment Of course, some of these solutions are temporary but other, smart office elements like touchless versions of door handles, room/desk booking systems (wayfinding) and reception sign-in procedures look set to be with us for the longer term. These all affect the M&E, as well as the architecture and design of buildings. We will overcome COVID-19 but we need to listen to the lessons that we are learning, and some will most certainly become permanent before the next virus that hits the human race comes along!
Bryant Heating & Cooling Systems launched the latest additions to its tier Evolution™ series with the Evolution Extreme 26 air conditioner (Model 186CNV) and Evolution Extreme 24 heat pump (Model 284ANV). Both products showcase a number of features performance, which includes numerous technological advancements with 12 patents pending. Bluetooth® diagnostic information Bryant, a supplier of heating, ventilating and air-conditioning (HVAC) equipment, is a part of Carrier, a global provider of innovative HVAC, refrigeration, fire, security and building automation technologies. Bryant also offers online troubleshooting and training modules, and virtual reality The Evolution Extreme 26 and 24 offer a number of enhancements designed with technicians in mind. Bluetooth® technology is available on the outdoor unit, making it unnecessary to access outdoor unit diagnostic information inside the home. Over-the-air software updates are available and technicians can assess over 130 diagnostic points. Sound output as low as 51 dB Plus, installations can use up to 250 equivalent feet of refrigerant line length, features two-wire installation, and the units are self-configuring and Evolution™ Zoning System-capable. Bryant also offers online troubleshooting and training modules, and virtual reality, 3D simulation training is available. Dehumidification can remove up to 70% more moisture per day than a single-stage system For most sizes, the Evolution Extreme 26 offers ratings for a ducted system at up to 26.0 SEER and 16.5 EER; while the Evolution Extreme 24 heat pump offers the in-class ratings at up to 24.0 SEER, 15.0 EER and 13.0 HSPF. Furthermore, both the Evolution Extreme 26 and 24 tout quiet operation with sound output as low as 51 dB. Ducted heat pump with a variable-speed The Evolution Extreme 26 and 24 include enhanced dehumidification and can remove up to 70% more moisture per day than a single-stage system. Plus, both units feature a variable-speed capacity operating range down to 25% in 1% increments and provide high-ambient cooling operation with full power up to 125 F. An Evolution™ air purifier will be included with the purchase of every Evolution Extreme 26 and 244 The Evolution Extreme 24 also offers heating operation to minus 15 F. In addition, it is has a ducted heat pump with a variable-speed, 5-ton unit that can achieve 13.0 EER and features the addition of vapor-injection technology. “We’re confident that homeowners will appreciate the features and benefits that are realized in our most ambitious development project to date. We’re also pleased to introduce enhanced installation and serviceability to our dealers, as we know that these improvements will make their lives easier,” said Todd Nolte, senior director, product and brand marketing, HVAC-Residential, Carrier. “The Evolution Extreme 26 and 24 are a true testament to the rigorous research and development that went into this project and we’re proud to be able to provide customers with such advantages.” Evolution™ air purifier destroys 99% germs and viruses In addition, an Evolution™ air purifier will be included with the purchase of every Evolution Extreme 26 and 244. The Evolution air purifier works silently in-line with the HVAC system and can improve indoor air quality. It uses Captures & Kills™ technology to trap up to 95% of particles, then uses an electrical charge to kill or inactivate up to 99% of germs and viruses. With every cycle of air that passes through this patented air purifying system, pollen, animal dander, bacteria and other pollutants are trapped and held tightly to the filter. An electrical charge then bursts the cell walls of pathogens it comes in contact with.
During the recent Bryant Dealer Rally, the company’s annual meeting where its top dealers are honored, Air Tech Heating, Inc. of Fond du Lac, Wisconsin was named 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 national supplier of heating, ventilating and air-conditioning (HVAC) equipment, is a part of Carrier, a global provider of innovative HVAC, refrigeration, fire, security and building automation technologies. “We’re both honored and humbled to be selected as the 2019 Bryant Dealer of the Year,” said Dan Price, owner, Air Tech Heating, Inc. “I’m incredibly proud of the entire team at Air Tech and I appreciate being recognized for doing business our way, with honesty and integrity.” Bryant Factory Authorized Dealer “We’re proud to be a Bryant Factory Authorized Dealer and have the support of such a great company. I’m also grateful for the amazing relationships we’ve built with both Bryant and our distributor, Auer Steel, over the course of my 22 years owning the business.” Dan and his team serve as ideal examples for other Bryant dealers of how to run a successful business" Founded in 1997, Air Tech Heating, Inc. has become known as the “Best Heating & Air Conditioning Company in the Fond du Lac Area” for ten straight years by Gannett Readers’ Choice. In 2018, Price’s son, Jim, and his wife, Sarah, became co-owners of Air Tech Heating, Inc. ensuring that it will remain a fixture in the community for years to come. It’s even more fitting that Air Tech Heating, Inc. was selected as the 2019 Bryant Dealer of the Year, as Price retired shortly after the Dealer Rally. Indoor air quality equipment sales “Bryant dealers continue to help set the standard in our industry,” said Matthew Pine, president, Residential HVAC, Bryant. “Our 2019 Dealer of the Year, Air Tech Heating, Inc. is an exemplary organization and has risen to the top among the very best in our elite group of dealers. Dan and his team serve as ideal examples for other Bryant dealers of how to run a successful business and do ‘Whatever It Takes’ to care for our customers.” Bryant selected its 2019 Dealer of the Year from 22 Medal of Excellence winners, comprised of Bryant Factory Authorized Dealers from 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. Medal of Excellence Winners The 2019 Medal of Excellence Winners include: Affordable Heating and Air Conditioning, Inc. - Cudahy, Wisconsin AGS HVAC Services - Westport, Massachusetts Air Tech Heating, Inc. - Fond du Lac, Wisconsin Bennett Heating and Air – Purvis, Mississippi Bob’s Heating & Air Conditioning - Woodinville, Washington Chadds Ford Climate Control - Chadds Ford Chapman Heating | Air Conditioning | Plumbing - Indianapolis, Indiana Chris Mechanical Services, Inc. - West Chicago, Illinois Cosby Heating - Mount Vernon, Ohio Dave’s Heating and Air - Lincoln, Nebraska Design Air, Inc. - Missoula, Montana Evergreen Gas, Inc. - Sherwood, Oregon Family Heating and Air - Pensacola, Florida Federal Elite Heating & Cooling, Inc. - Dresden, Ohio Fort Collins Heating and Air - Fort Collins, Colorado GAC Services - Gaithersburg, Maryland Gainesville Mechanical, Inc. - Gainesville, Georgia Haley Comfort Systems - Rochester, Minnesota IERNA’S Heating & Cooling, Inc. - Lutz, Florida Precision Heating & Air Conditioning - Twin Falls, Idaho Regal, Inc. - York, Pennsylvania Waychoffs Heating & Air Conditioning - Jacksonville, Florida In addition to the Dealer of the Year award, Bryant named Peck & Weis Heating, Cooling, Plumbing & Electric of Lake Geneva, Wisconsin as this year’s recipient of the Charles Bryant Award. The Charles Bryant Award, named in honor of the company’s founder, recognizes a loyal Bryant Factory Authorized Dealer (FAD) that epitomizes the characteristics of Charles Bryant, including professionalism, quality, reliability and community spirit.
Peck & Weis Heating, Cooling, Plumbing & Electric of Lake Geneva, Wisconsin was named the 2019 Charles Bryant Award winner. The Charles Bryant Award, named for the company’s founder, recognizes a loyal Bryant Factory Authorized Dealer (FAD) that epitomizes the characteristics of Charles Bryant, including professionalism, quality, reliability and community spirit. Bryant, a supplier of heating, ventilating and air-conditioning (HVAC) equipment, is a part of Carrier, a leading global provider of innovative HVAC, refrigeration, fire, security and building automation technologies. national award Winner “Wow, what an honor it is for a small dealer from rural Wisconsin to receive this national award,” said Daryl Peck, owner, Peck & Weis. “A huge ‘thank you’ to our manufacturer Bryant and our distributor Auer Steel. Both have been outstanding to work with since 1985 and they’ve set the bar high from the very beginning.” “I especially want to thank our hardworking and dedicated staff at Peck & Weis. I also want to acknowledge all the support from our friends, family and community we’ve received over the years; without them, we’re nothing.” 300 years HVAC experience It is a local, family-owned company that is proud to serve the families they live and work amongst Peck & Weis has been serving the Lake Geneva community since 1985 with quality service, repairs and installation for commercial and residential properties. Its talented team of highly trained individuals has over 300 years of combined experience in HVAC, plumbing and electrical work. It offers 24-hour service 365 days per year. Peck & Weis takes pride in the community, and has deep roots in Lake Geneva. It is a local, family-owned company that is proud to serve the families they live and work amongst. Over the years, not only has owner Daryl Peck given his time as a member of the school board and the Chamber of Commerce, he has supported various service and charitable organizations and scholarship boards through volunteer time and donation as well. Charles Bryant Award The Charles Bryant Award is presented annually to a loyal Bryant FAD that makes a significant difference in its community, is active in the industry, provides superior customer service and is committed to developing its employees. “We’re proud to present this year’s Charles Bryant Award to Peck & Weis,” said Matthew Pine, president, Residential HVAC, Carrier. “This award celebrates those Bryant FADs that represent all the qualities for which our brand stands. Peck & Weis is an exemplary organization that has truly made a positive impact in its community and in the HVAC industry as a whole.”