Ducts In Attic Or Crawl Space

While the attic install isn t ideal it beats the problems that come with ducts.

Ducts in attic or crawl space.

See the article i linked to for more details. Strap ducts out of insulation with 3 ductstraps per specifications. Large gaps between duct sections provide an exit point for the heated and cooled air before it has a chance to reach the vents in your rooms. Iv conditioned attic and more.

Insulate and air seal the floor with open cell foam put ductwork and mechanicals in the attic install a radiant barrier and mastic seal the ducts. Ducts in your attic and crawl space can become disconnected due to rodent infestations flooding or just ordinary house settling. This means that like an attic or unfinished basement you don t heat and cool it. Knowing the disadvantages of attic install and the crawl space install.

If you have ductwork in your crawl space the temperature of the duct will be the same as the temperature of the crawl space. And you win big time. The crawl space is an unconditioned space. The majority of ducts are installed in unconditioned attic spaces and crawl spaces where they are out of sight.

Seal supply boxes with mastic. I lowered soffits around room perimeters. Now your sealed and insulated attic and your hvac duct system is protected from extreme temperatures like your crawlspace or basement. You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space.

Ceiling diffusers can help route vents to alternative locations avoiding lengths of ductwork. Ii lowered ceilings in hallways. I vote for the attic. In the winter a crawl space can be significantly colder than the living spaces of your home.

Iii special trusses that create space below the unconditioned attic.