FURNACE COMPARISION - 90%+/Single Stage Model vs. Two Stage Variable Speed Model

  

The matrix below is provided to show you how a variable speed fan motor can save you money each year by running much more efficiently than a Standard Model. The Standard model has one speed. Either it is on or off, which can potentially lead to a "rollercoaster" effect with your home's temperature.
80 MBH Furnace Example          
Single Stage (TUX080C942D) Hours Watts $/Kw Conversion Fan Cost
Heating Mode 1800 476 0.07 1000 $59.98
Cooling Mode 500 635 0.07 1000 $22.23
Continuous Fan 6460 476 0.07 1000 $215.25
        Total Electrical Operating Cost $297.45
           
Variable Speed (TUY080R9V3W) Hours Watts $/Kw Conversion Fan Cost
1st Stage Heating 1710 230 0.07 1000 $27.53
2nd Stage Heating 90 500 0.07 10000 $3.15
Cooling Mode 500 230 0.07 1000 $22.61
Continuous Fan 6460 50 0.07 1000 $22.61
        Total Electrical Operating Cost $61.34
Total Savings in Electrical / year:  $236.11 x 18 years = $4,249.98

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