A big step in the right direction for HVAC companies is the move toward proper design utilizing software. For decades, many have been using rules of thumb to size equipment and duct systems, making ...

HVAC ductwork: Set it and forget it, right? Wrong, say growing numbers of technicians and HVAC educators who emphasize that calculated, deliberate ductwork design and construction are major factors in ...

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 ...

Q: Our house does not heat evenly. It is a 160-year-old Greek Revival structure. It has two stories in the center and a one story wing on each side. There is a basement under the center two-story ...