Ultraviolet germicidal irradiation (UVGI), according to the U.S. National Library of Medicine, National Institutes of Health, is an established means of disinfection and can be used to prevent the spread of certain infectious diseases. UV-C radiation kills or inactivates microbes by damaging their DNA.
As more states across the U.S. adopt stricter, tighter building codes, fresh air is becoming a commodity. Building professionals and consumers are aware of this and the HVAC industry is offering solutions that focus on the addition and subtraction of air into sealed spaces.
Numerous types of radiant products were on display at the AHR Expo, including heating, cooling, and snow melt systems. And, exhibiting manufacturers were all focused on touting the energy efficiency, sustainability, and safety benefits of their products.
More than half of U.S. commercial building space is cooled by packaged HVAC equipment, according to the U.S. Department of Energy (DOE). Additionally, existing rooftop units consume more than 1.3 percent of the country’s annual energy usage. It’s no surprise the biggest trend driving the rooftop market is efficiency.
Technology has come a long way in the HVAC industry, and not just in terms of the heating and cooling equipment. A number of software and data solutions designed to simplify HVAC contracting procedures were on display at the AHR Expo.
Perhaps the biggest work-vehicle trend at this year’s Expo was the somewhat sudden and notable presence of European-style vans. More maneuverable and economical than previous van styles, these vehicles are built with tradesmen in mind.
For HVAC refrigerants, the changes keep coming fast and furious at a time when the global demand continues to grow apace. Changes implemented via the EPA’s Significant New Alternatives Policy (SNAP) program, combined with the continued phase out of R-22, will lead contractors to seek out opportunities to gain experience with the use of new low-GWP refrigerants.