Whole House Fan Energy Cost Calculator
Attic-mounted fan that pulls cool outdoor air through windows and exhausts hot air.
Power Draw
500W
watts
Annual kWh
200
avg usage
Annual Cost
$26
avg national
CO₂/Year
0.14 tons
carbon impact
Whole House Fan Cost Calculator
Customize usage and your state's electricity rate for accurate cost estimates.
Daily Cost
$0.26
Monthly Cost
$2.17
Annual Cost
$26
Lifetime Cost
$520
Energy Saving Opportunities
Smart VersionAvailable
Smart scheduling saves 10% more energy
~$3/year savings
Energy Saving Tips
- ✓Use in the evening when outside is cooler
- ✓Open windows when running
- ✓Close attic access in winter
Compare Alternatives
| Appliance | Watts | Annual kWh | Annual Cost |
|---|---|---|---|
| Whole House Fan (current) | 500W | 200 | $26 |
| Central Air Conditioner | 3,500W | 3,360 | $437 |
| Ceiling Fan | 75W | 120 | $16 |
| Evaporative Cooler | 400W | 384 | $50 |
Whole House Fan Cost Summary
Purchase Price (one-time)$1,500
Annual Energy Cost (at 13¢/kWh)$26
Lifespan 20 years
Lifetime Energy Cost (energy only)$520
Total Cost of Ownership (purchase + energy)$2,020
Whole House Fan Energy FAQ
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