Furnace Efficiency Calculator


Using this interactive tool, you can see for yourself how the efficiency of your home’s furnace and air conditioning system degrades over time and how maintaining your system can extend its life and save you money. That’s the power of regular maintenanceBase AFUE* %

Equipment Age Years

AFUE = Annual Fuel Utilization Efficiency

RESULTS

Projected AFUE With Regular Annual Maintenance

76.09%

Projected AFUE With Sporadic Maintenance

68.78%

* Published as: Degredation Factor for furnace efficiency (Hendron and Engebrecht 2010)

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