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How much does it cost to run an electric furnace? ($153.00/mo)
Running an electric furnace costs about $153.00 / month
($5.10/day at 3 h/day, $0.17/kWh).
($5.10/day at 3 h/day, $0.17/kWh).
Running cost calculator
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An electric furnace heats a whole home with resistance elements, drawing more power than almost any other appliance.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $3.00 | $90.00 | $1,095.00 |
| $0.15/kWh | $4.50 | $135.00 | $1,642.50 |
| $0.20/kWh | $6.00 | $180.00 | $2,190.00 |
| $0.25/kWh | $7.50 | $225.00 | $2,737.50 |
| $0.30/kWh | $9.00 | $270.00 | $3,285.00 |
| $0.40/kWh | $12.00 | $360.00 | $4,380.00 |
Cost over time
| Per hour of use | $1.70 |
| Per day (3 h) | $5.10 |
| Per month | $153.00 |
| Per year | $1,861.50 |
How to spend less running an electric furnace
- Cut the hours: An electric furnace at 3 h/day runs about $153.00/month — trimming one hour saves roughly $51.00/month.
- Tune the setpoint: a degree or two changes how long the electric furnace has to run.
- Upgrade efficiency: a newer electric furnace near 5,000 W uses far less than an old 20,000 W one.
Want the raw figure? See how many watts an electric furnace uses.
FAQ
How many watts does an electric furnace use?
Whole-home electric furnaces commonly draw 5,000-20,000 watts while heating.
Is an electric furnace cheap to run?
No - a heat pump delivers far more heat per watt and usually costs much less.
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