Share 'Everything You Ever Wanted to Know about the HERS Index'

A lot of home builders and homeowners are getting certified home energy ratings to find out how efficient their homes are. There's also a lot of buzz about HERS ratings, with builders looking at them as a tool for marketing their homes. As I described in our basic description of home energy ratings, this process models the energy performance of a home and comes up with, among other results, a num…