The upshot of all this has been a dramatic change in construction methods. Ratings can be flexible One advantage of the HERS approach is that it can be tailored to meet local needs. Ratings are based on elements such as insulation, thermal efficiency, and heating and cooling efficiency of the home. HERO is fully compatible with the state's Model Energy Code. Like other rating systems, HERO uses stars to indicate greater efficiency.
Electric utilities use the scorecard to provide added incentive.
Richard Fasey of Energy Rated Homes of Vermont says that his organization has done about 2,600 ratings since 1987. Now most homes get between four and four-plus. Inc. All Oikos pages copyright 1996 - 2001, Iris Communications, Inc .