In the UNITED STATES there are 96.6 million households

Housing stock is oldest in the Northeast and Midwest and newest in the South.

45% of Single-family homes were built over a basement; 35% were built over a crawlspace; and 30% were built on a slab.*

Most housing units in the Northeast and Midwest were built over a basement.

Most housing units in the South and West were built on a slab or over a crawlspace.

71% had natural gas available in their neighborhood; 60% actually used natural gas. Natural gas was most available in the Midwest and least available in the South.

68% used air-conditioning. 44% had a central system and 27% had window units.**

Air-conditioning was most likely in the South and least likely in the West.

53% of all households used natural gas for space heating.

26% used electricity

11% used fuel oil

9% used some other fuel