The Home Energy Audit Gets an Upgrade

[hausdok]

By Roy Furchgott, The New York Times

Saul Kravitz knew his house was inefficient. The kitchen was cold in the winter and hot in the summer. It was always hotter or colder upstairs than downstairs. And his gas and electric bills were too high.

Mr. Kravitz, an engineer at the J. Craig Venter Institute in Rockville, Md., had conducted his own assessment and concluded that his 41-year-old house was well sealed but probably needed some insulation. “I was convinced I had a pretty tight house,â€