Ask any bug: There's no place like a warm crawl space to spend the cold winter months. Why huddle beneath some freezing leaf when you can snuggle under a house that a human pays to heat? Of course, ...

A common idea promoted across the industry is that any heat lost from an uninsulated duct system to a conditioned space isn’t truly lost and has no effect on energy consumption. Most contractors would ...

As many contractors attest, a supply air plenum is a sheet metal box attached to a furnace or air handler’s outlet and is used as a central manifold connector for other ductwork. As the air blows from ...