AFUE Rating Chart
AFUE RATING TO COST SAVINGS COMPARISON FOR EVERY $100 SPENT
80% AFUE
80% is used to heat your home; 20% escapes through the exhaust of your furnace.
93% AFUE
93% is used to heat your home; 7% escapes through the exhaust of your furnace.
95% AFUE
95% is used to heat your home; 5% escapes through the exhaust of your furnace.
96% AFUE
96% is used to heat your home; 4% escapes through the exhaust of your furnace.
