Before selecting duct materials, it helps to understand how air flows from your heating/cooling unit through the duct network. Most systems use either a hot air furnace or an air conditioner ...

Dear Jim: Some rooms in our house are too hot or too cold, and someone is always complaining. What can we do to even out the room temperatures to keep everyone happy. Will doing this lower our utility ...

Ceiling dampers prevent radiant heat transfer between the occupied spaces and entrances into supply and return ducts, ceiling-floor voids, or ceiling-roof voids. While smoke and flames may be ...

With today’s continually advancing building engineering technology, design professionals are presented with a multitude of options for HVAC design. With such variety comes the burden of comprehending ...