The ANSI-recognized national standard for residential HVAC duct design will help ... controlling excess air when VAV dampers close, duct loads, duct leakage and duct system efficiency, air quality ...

Guangzhou-based heat pump manufacturer Phnix has launched a new air-to-water heat pump for residential applications ... and a fluid simulation-designed air duct. The heat pump uses propane ...

Ekanatak Yehewin, a new commercial and residential duct and furnace service, can help. The business is a division under ...

Most people hardly think about air ducts, but Duct Brothers is showing how significant an impact they can have on comfort levels, air quality, and bills.

The ANSI-recognized national standard for residential HVAC duct design will help ... controlling excess air when VAV dampers close, duct loads, duct leakage and duct system efficiency, air quality ...