The WeatherMaker® 8000 gas furnace offers 80% AFUE. One of the new, patented features on the unit is a vent elbow with three easy-to-access screws, which the company says is the only thing to adjust ...

When trying to sell a customer a high-end furnace, contractors may espouse benefits such as higher efficiencies, which usually translate into lower utility bills. Quieter operation is also a good ...