Ac Ducts In Attic
So logically the ducts deserve more not less insulation.
Ac ducts in attic. Iv conditioned attic and more. The duct insulation should include a vapor barrier cover. Iii special trusses that create space below the unconditioned attic. I lowered soffits around room perimeters.
Obviously it s hard to install r 60 duct insulation. 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. When the attic is 20 f that insulation is addressing a delta t of 50 f. You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space.
We offer air duct replacement repairs to clean out and replace your old contaminated ducts with newer energy efficient r 8. Use metal flex or fiber board ducts that are insulated to code. But the air in the ducts is facing a delta t of maybe 100 f or 120 f a greater delta t.