The Fits-All 80V gas furnace has a rating of 80 percent AFUE. The furnace offers two-stage heating inputs ranging from 50,000 to 125,000 Btuh with a 1-1/2- to 5-ton cooling capacity. When used in conjunction with a two-stage thermostat, the furnace only produces the amount of heat necessary to keep the home comfortable, the manufacturer says. Furnace features include a Crimp-Titeâ„¢ aluminized steel heat exchanger and variable-speed motor. The variable-speed blower motor reduces operating sound by slowly accelerating and decelerating.

Excel Comfort Systems Inc., 990 Main St., Blackville, SC 29817; 803-284-3322;

eProduct #190