Insulated Attic Duct

When these ducts are exposed to exterior air the plastic jacket never gets cold enough to permit condensation because the hot attic air keeps the plastic jacket warm.

Insulated attic duct.

Although both the attic floor and the ductwork are insulated ted recognizes the situation isn t ideal. Duct insulation accessories. Reflectix r 21 100 sq ft unfaced reflective roll insulation 48 in w x 25 ft l item 13358. A metal duct conveying cool conditioned air through a broiling attic in summer or warm air through a chilly crawl.

Attics that are poorly insulated will not efficiently recycle the air being blown by the ac heat which rises to the attic but with the right r value inches of insulation air will be properly reverted back into the house saving your ac heating unit from overworking and keeping your bills from skyrocketing. Acute temperatures in these areas contribute to thermal loss in metal ductwork. Use metal flex or fiber board ducts that are insulated to code. For pricing and availability.

When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. For pricing and availability. The duct insulation should include a vapor barrier cover.