Austrian School Conducting Study to Confirm Effectiveness of New Air Filter Technology that Makes it Safer for Kids to Return to School

As schools, parents, and local governments weigh the decision to bring students back to school, a municipality 30 miles southwest of the capital city of Vienna in Austria, is field-testing an air filtration technology that could help schools reopen around the world. The Mayor of Hainfeld and a school principal have turned to Dexwet, a private air filter technology company, to help improve air quality in classrooms by removing airborne pathogens, making it safer for… Read More
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Greenheck HVLS Fans Now Available with Air Cleaning Technology

Greenheck high volume low speed (HVLS) fans can now be specified with electronic air cleaning technology. A needlepoint bipolar ionization (NPBI®) accessory is available on all models of Greenheck HVLS fans. The NPBI® accessory, designed to be installed on the ceiling near the HVLS fan, includes a universal mounting kit for easy installation. The accessory is also self-cleaning for low maintenance. The needlepoint bipolar ionization system meets UL-867 and UL-2998 standards for ozone-free operation. Licensed… Read More
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Realization: The Moment When Buyers Recognize They Need a Contractor

By John Tyreman There are events in our everyday lives that can trigger the need to purchase a home service. John Tyreman Sometimes, you can plan for those events. Other times you can’t. For example, when my basement flooded because of a busted hot water heater, there was an important and urgent need to get it fixed. The only time I had to think of what kind of specialist to look for was while I… Read More
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Danfoss Decarbonizes by Building Green Data Centers

Next year, Danfoss headquarters in Nordborg, Denmark, will be CO2 neutral. And, in 2024, by utilizing excess heat, Danfoss™ own data centers will provide 25 percent of the headquarters™ heating need. The digital transformation and green transition go hand in hand. In response to the exponential growth of data-center energy consumption, Danfoss decided to build data centers that will be an example for future climate-friendly designs. Danfoss has the technologies to cool data centers in… Read More
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Inverter Driven: No Gauges, Part 2

By Dan Applegate The old-school method for checking these compressors was pretty simple. Sometimes a slug of liquid oil or refrigerant would make its way back to the compressor, and if there were no suction accumulator it would be drawn into the compressor. Dan Applegate Compressors are pneumatic, not hydraulic; when the compressor piston would reach top dead center the compressor piston-to-valve clearance would be at its minimum, and since liquids can’t be compressed, the… Read More
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The Inside SEER: A Harsh Winter

By Pete Gardner This winter is starting to be a very intense and cold season. From the Northeast all the way down the coast to as far a Jacksonville has experienced freezing temperatures and even some abundant amounts of snowfall. The weather has definitely put a strain on road conditions, air travel, electrical grids and on and on shutting down businesses and commuters. Much of the Electrical Grid System is under heavy strain and fresh… Read More
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