The highest rated gas furnace of 2015 is Amana AMVC95/ACVC9, followed by the Bryant 315AAV. According to TopTenReviews.com, its efficiency overshoots the minimum acceptable industry furnace rating of 78.
The efficiency of Amana AMVC95/ACVC9, measured in terms of annual fuel utilization, or the amount of gas used each year, is above the acceptable rating of 78. According to Amana Review, the furnace combines proprietary company technology with the high-quality parts to create a long-lasting and efficient furnace. The device operates at a 95 percent AFUE rating, which makes it the highest efficiency furnace in its class. To do this, it utilizes variable-speed circulation motor to maintain the temperature of the house or workplace.