Leaky ductwork can contribute to significant energy loss in a building. Well-designed duct systems distribute air efficiently throughout a facility and keep rooms at a comfortable temperature. Whether ...

CHICAGO - It seemed that everywhere you looked at the 2006 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), there were new duct, grille, register, and diffuser offerings.

Question:We have seven-inch round ducts in the ceiling of our house, for heating and air conditioning. In a little-used room, we’ve never bothered to find ceiling diffusers for them. Now that we’d ...