Conditioned Crawl Space

A conditioned crawl space also known as a sealed unvented or closed crawl space significantly reduces or eliminates many of the problems of the traditional ventilated crawl space.

Conditioned crawl space. When the crawl. Thermally sealed from the outdoor elements insulated and integrated into the home s hvac. If you are using air conditioning in your home and your home has a crawl space that is not also conditioned you are spending hard earned money that you don t need to.

The sheets are glued right at the overlap seams then to the foundation wall. What you end up with is a completely dry mold free bug free environment that will remain roughly the same temperature as the rest of the house. To get the air back upstairs install several transfer grilles in the floor.

In a conditioned crawl space a 10 mil polyethylene barrier covers the entire floor with the sheets extending up to 12 to 18 inches up space s foundation wall. You still need to seal the ducts though. For example a fan blowing 30 40 cubic feet per minute of air from upstairs conditioned space into the crawl space provides air exchange and drying while pressurizing the crawl space.

Adding conditioned air either heated cooled or dehumidified to the crawl space will help maintain. There are other possibilities for conditioning your crawl space. Conditioned crawl space includes a ground completely covered with a vapor barrier with the barrier s seams and junctions as well.

Conditioned crawl space the best solution. It also puts your ductwork in conditioned space where it belongs and will perform at its best. Its band joist and foundation walls are usually insulated too.

A conditioned crawlspace is really no different from a properly built dry basement. If you take a look in your crawl space and it has foundation vents dirt floor and insulation in the floor joist or on the walls you have a major leak in your air conditioning.