How Much Does It Cost to Run a Bathroom Exhaust Fan in Newfoundland and Labrador? (2026)
Bathroom fans are tiny loads, typically 10 to 80 watts. The bigger cost is the heated or cooled air they pull out of the house, so run them long enough to clear steam and no longer.
A typical bathroom exhaust fan (30 W) costs C$0.005 per hour, or about C$0.14 per month at 1 hour a day in Newfoundland and Labrador. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low 10 W | C$0.002 | C$0.002 | C$0.047 | C$0.57 |
| Typical 30 W | C$0.005 | C$0.005 | C$0.14 | C$1.71 |
| High 80 W | C$0.012 | C$0.012 | C$0.37 | C$4.55 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 1 h/day ≈ 11 kWh per year.
One day of a bathroom exhaust fan (0.72 kWh) is the same electricity as
- 4.0km in an electric car
- 7.2hours of TV
- 16hours of a laptop
- 80hours of an LED bulb
In Newfoundland and Labrador, with electricity at 15.6¢ per kWh (source: Hydro-Québec 2025 comparison, 2025-04), a typical bathroom exhaust fan costs C$0.005 per hour and about C$1.71 per year at 1 hour a day. That is about 11% more than the national average for Canada (C$0.13 per month), because electricity in Newfoundland and Labrador costs 15.6¢ per kWh against 14.0¢ nationally. Each C$1.00 of electricity buys roughly 213.8 hours of use.
How to lower the cost of running a bathroom exhaust fan
- Run it for 20 minutes after a shower, then off. A timer switch pays for itself.
- Choose a fan with an integrated humidity sensor.
- Clean the grille. Dust cuts airflow and makes it run longer.
Frequently asked questions
How much does it cost to run a bathroom fan all day?
A 30 watt fan for 24 hours uses 0.72 kWh, plus the cost of replacing the conditioned air it removes.
Should I leave the bathroom fan on all night?
No. Twenty to thirty minutes after a shower is enough.
Do bathroom fans use a lot of electricity?
No. Even continuous use is around 20 kWh a month.
Cost by region
US states
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Canadian provinces
- Quebec
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- Nova Scotia
- New Brunswick
- Prince Edward Island
- Newfoundland and Labrador
Related appliances
- Hair Dryer1,800 W typical
- Hair Straightener60 W typical
- Electric Toothbrush Charger1 W typical
- Heated Towel Rail150 W typical
Use the generic electricity cost calculator · Which uses more? Take the quiz