“Forward-thinking contractors keep duct insulation in the forefront as they understand the impact it has on temperature loss through the duct system,” said David Richardson, curriculum developer and ...

Condensation control — Preventing condensation that could damage insulation and other HVAC system components or possibly lead to microbial growth; and Energy conservation — Reducing HVAC system ...

Q: I inherited a concrete block building that was then converted into a home several years ago. Part of it has a crawlspace and part is on a concrete slab. The crawlspace is always damp, and the ...

Q Is it time to replace my 40-year-old ductwork? Can reduced heating and cooling costs justify the high cost of replacing the ducts, or will sealing and insulating the existing ducts be just as ...

Q: We are moving to a new house with the loudest forced air furnace I've ever heard. They're common to our builder. What can I do to reduce the noise? Some is the fast air movement, some is the fans.