The Annual Fuel Utilization Efficiency rating tells you how much value you get for every dollar spent on heating. Basically if you paid X dollars for oil or gas towards heating of your rooms, AFUE will tell you what fraction of the amount showed up in your rooms as...
If you have been looking to upgrade your gas furnace this year, make note that a federal rule that would have required new gas-fired furnaces, as of May 1, 2013, to be 90 percent AFUE (Annual Fuel Utilization Efficiency) for the northern states, has been rescinded....
Most homes and businesses throughout the United States are heated by furnaces or boilers. Both types of heating systems have the same efficiency rating system, which you should become familiar with before you start shopping for a replacement. Boiler and furnace...
