The ANSI-recognized national standard for residential HVAC duct design will help you design a duct system in less time. The ANSI-recognized national standard for residential HVAC duct design will help ...

Manual Q is your one-stop reference book on the low-pressure, low-velocity systems used in small and mid-size commercial buildings. Manual Q gives you time-saving quick fitting loss tables and a ...

With one distribution system and one blower motor, we could now condition the air year-round, providing heat and humidity in the cold winter months and cooling and dehumidification in the warm summer ...