Ducts In Attic Or Crawl Space

Ceiling diffusers can help route vents to alternative locations avoiding lengths of ductwork.

Ducts in attic or crawl space.

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. I vote for the attic. Ductwork can eat into living space so innovative space saving features like squeeze elbows are in demand.

Ducts in your attic and crawl space can become disconnected due to rodent infestations flooding or just ordinary house settling. The majority of ducts are installed in unconditioned attic spaces and crawl spaces where they are out of sight. See the article i linked to for more details. You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space.

Iv conditioned attic and more. Now your sealed and insulated attic and your hvac duct system is protected from extreme temperatures like your crawlspace or basement. Ii lowered ceilings in hallways. Iii special trusses that create space below the unconditioned attic.

I lowered soffits around room perimeters. While the attic install isn t ideal it beats the problems that come with ducts. The hot air leaves your furnace at the desired temperature. That same ac system that could never cool your bedrooms now with a sealed and insulated attic is providing supply airflow temperatures on par with the same unit located under a house.

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. And you win big time. The crawl space is an unconditioned space. If you have ductwork in your crawl space the temperature of the duct will be the same as the temperature of the crawl space.

In the winter a crawl space can be significantly colder than the living spaces of your home.