Confused About Furnace Efficiency Ratings? Here’s Your Expert Guide by Mike Rampey | March 6, 2014March 6, 2014 If you’re in the market for a new furnace, one of the first things you’ll encounter are furnace efficiency ratings. These ratings tell you how much of the fuel the […]Read More Filed Under: Furnaces Tagged With: annual fuel utilization efficiency (AFUE)– Broken Arrow– Condensing Furnaces– furnace efficiency ratings– furnace sizing– load calculation– Oklahoma– Tulsa– two-stage heating