How to Insulate Flexible Ductwork in Your Attic for Winter
A typical home with uninsulated attic flex ducts loses 20–30% of its heated air before that air reaches a single room. That’s not a rounding error. It’s a furnace working overtime to heat space you don’t live in. From our field evaluations across residential HVAC systems, attic flex ducts rank as the most overlooked source … Read more