Ducts In Attic Or Crawl Space

In addition to understanding the fundamentals of psychrometrics dewitt pointed out that hvac contractors.

Ducts in attic or crawl space.

Leaks from air conditioning condensate probably are not the worst moisture problem in a. See the article i linked to for more details. 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. While the attic install isn t ideal it beats the problems that come with ducts.

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. This means that like an attic or unfinished basement you don t heat and cool it. Seal supply boxes with mastic.

I lowered soffits around room perimeters. Iii special trusses that create space below the unconditioned attic. Sweating ducts in crawl spaces and attics getting mad. Ii lowered ceilings in hallways.

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. Strap ducts out of insulation with 3 ductstraps per specifications. The hot air leaves your furnace at the desired temperature.

Now your sealed and insulated attic and your hvac duct system is protected from extreme temperatures like your crawlspace or basement. If the ducts are in an unconditioned crawl space you can encapsulate. The crawl space is an unconditioned space. Iv conditioned attic and more.

I vote for the attic. If you have ductwork in your crawl space the temperature of the duct will be the same as the temperature of the crawl space.