About a third of new gas furnaces being sold today run at 90% efficiency, which still saves a typical homeowner 11% on home heating bills compared to an 80% efficient unit.
That furnace would save a typical homeowner 16% off his heating bill, compared to an 80% efficient unit, the new minimum standard put out by the DOE, says Steven Nadel, executive director of the American Council for an Energy Efficient Economy.
The problems then allegedly began when the installer whipped out a heat gun, which was purportedly intended to be used to mold a mounting guide for the GPS unit but instead wound up melting one of the Civic's heating ducts.