HERS experiment cause for confidence.

Home energy ratings seem reliable, but are they? We look at the results from one experiment that tries to answer this question for the existing homes market.

Canadian ratings warming up.

                    

European Union not unified on home ratings.

                    

Home ratings sweep the nation - almost.

As the ratings industry in the United States shifts from a subsidized market to an unsubsidized one, we look at four areas of opportunity for home energy raters. Will these opportunities be growing or collapsing in the 21st century?