Basement & Garage: If you don't have any sign of mold is there a benefit to closing a non vented crawlspace? HHR Healthy Home Restorat... on Sep 22, 2011 Anytime there is dirt as the floor of a crawlspace there is mold. A sealed crawlspace with ...» supplied conditioned air from the HVAC helps with energy use, pest control, air quality, etc...
Anytime there is dirt as the floor of a crawlspace there is mold. A sealed crawlspace with ...»