How much energy is used by the furnace blower?

Comparison of Furnace Fan Electricity Costs*

  Standard PSC Blower ECM Blower
Continuous Fan Operation $561 $151
Auto Fan Operation $124 $73
Based on statewide average electric rates of $0.12 per kilowatt-hour. Actual costs may vary.

*Source: Electricity Use by New Furnaces: A Wisconsin Field Study October 2003 Energy Center of Wisconsin Table 3: Summary of annual electricity use and ECM savings

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