Ducts In Attic Or Crawl 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.

Ducts in attic or crawl space.

This means that like an attic or unfinished basement you don t heat and cool it. See the article i linked to for more details. I lowered soffits around room perimeters. Sweating ducts in crawl spaces and attics getting mad.

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. Leaks from air conditioning condensate probably are not the worst moisture problem in a. You can get the air handler and ducts into conditioned space in several ways without needing a basement or crawl space.

Ii lowered ceilings in hallways. The hot air leaves your furnace at the desired temperature. Knowing the disadvantages of attic install and the crawl space install. In the winter a crawl space can be significantly colder than the living spaces of your home.

While the attic install isn t ideal it beats the problems that come with ducts. Seal supply boxes with mastic. If the ducts are in an unconditioned crawl space you can encapsulate. Now your sealed and insulated attic and your hvac duct system is protected from extreme temperatures like your crawlspace or basement.

The crawl space is an unconditioned space. I vote for the attic. In addition to understanding the fundamentals of psychrometrics dewitt pointed out that hvac contractors. Iii special trusses that create space below the unconditioned attic.

And you win big time. If the ducts are in an unconditioned attic you can put spray foam insulation on the roof deck.