The house has a cement block, crawl space foundation. The vented volume of the crawl space is about 115 m3 . The under-floor belly volume defined by the floor joists and the metal frame is approximately 65 m3 . The belly space contains the heating and cooling (HAC) supply air distribution ductwork, plumbing lines and thermal insulation and is separated from the crawl space by an insulated, woven polyethylene membrane. The attic space has a volume of 43 m3 above the vaulted ceiling. There are five roof vents and a series of eave vents extending along the.
