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