Q: What’s the best kind of ductwork to do when building a new house? Should ducts be rigid metal or should you install flexible ducts? A: Most of what’s being installed in new houses now is flexible ...

Each year, thousands of Arizona residents email or call Rosie Romero’s radio show with questions about everything from preventing fires in their chimneys to getting rid of tree roots invading their ...

A proposal to limit the use of flexible ductwork in residential construction has some people in the industry bent out of shape. The International Association of Plumbing and Mechanical Officials is ...

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 ...