Savings From an Energy-Efficient Furnace

Gas Furnace

Annual savings projected for a 2,500-square-foot home by replacing a less efficient gas furnace with a new 90-percent efficient gas unit, assuming a price of 42.5 cents per cubic meter of natural gas.  

  replacing a 60% efficient furnace replacing a 78% efficient furnace
Portland, Maine $1,227 $355
Pueblo, Colo. $1,227 $298
Albuquerque, N.M. $1,040 $263
Orlando, Fla. $277 $56
San Diego, Calif. $146 $59

                       

Oil Furnace

Annual savings projected for a 2,500-square-foot home with replacement of a less efficient oil furnace with a new 83-percent efficient oil unit (assuming an oil price of $3.35 per gallon)

  replacing a 60% efficient furnace replacing a 75% efficient furnace
Portland, Maine $1,634 $580
Pueblo, Colo. $1,634 $551
Albuquerque, N.M. $1,401 $505
Orlando, Fla. $310 $505
San Diego, Calif. $200 $96

           

Calculations based on the U.S. Department of Energy’s "Life Cycle Cost Estimate for an Energy Star Qualified Residential Furnace." You can do calculations for your situation by using the spreadsheet on the Energy Star Web site. Search for “furnace calc.”



For more information on the energy savings of newer, more efficient furnaces, read Save Money with a New, Energy-efficient Furnace.




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