To get the perfect combination of gas heat and cost-saving energy efficiency, take a look at the Bryant line of all-star gas furnaces, from the top-of-the-line Evolution™ Series 96 AFUE with PerfectHeat® and PerfectHumidity® to the solid Legacy™ Line 80 AFUE. Remember, the higher the AFUE rating, the more you'll save on energy costs. View Bryant Products