Heating and cooling can account for more than half of your home’s total utility bill.* So when looking for ways to cut your energy costs, be sure to think about a high-efficiency system. How do you know if a heating or cooling system is efficient? Take a look at the yellow-and-black EnergyGuide label, which displays efficiency ratings for the product.
To see how efficiency ratings impact your annual energy costs, use the Energy Calculator below.
Furnaces are rated by the Annual Fuel Utilization Efficiency (AFUE) ratio, which is the percent of heat produced for every dollar of fuel consumed. AFUE works a lot like the miles-per-gallon rating on your car—the higher the rating, the lower your fuel costs.
The measure for the efficiency of air conditioners and heat pumps is the Seasonal Energy Efficiency Ratio (SEER), which compares cooling output to electrical consumption over a range of temperatures. The higher the air conditioner ratings or SEER, the less the unit will cost to operate.
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