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How Much Does It Cost to Run a Air Purifier in Newfoundland and Labrador? (2026)
Air purifiers run continuously at 10 to 100 watts depending on fan speed and room size. On a low setting they cost little; on high around the clock they can match a fridge.
A typical air purifier (40 W) costs C$0.006 per hour, or about C$4.61 per month at 24 hours a day in Newfoundland and Labrador. Average running cost
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (10 W) | C$0.002 | C$0.038 | C$1.15 | C$14.02 |
| Typical (40 W) | C$0.006 | C$0.15 | C$4.61 | C$56.06 |
| High (100 W) | C$0.016 | C$0.38 | C$11.52 | C$140.16 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 24 h/day ≈ 350 kWh per year.
One day of an air purifier (0.96 kWh) is the same electricity as
- 5.3km in an electric car
- 9.6hours of TV
- 21hours of a laptop
- 107hours of an LED bulb
In Newfoundland and Labrador, with electricity at C$0.16 per kWh (source: Hydro-Québec 2025 comparison, 2025-04), a typical air purifier costs C$0.006 per hour and about C$56.06 per year at 24 hours a day. That is about 14% more than the national average for Canada (C$4.03 per month), because electricity in Newfoundland and Labrador costs C$0.16 per kWh against C$0.14 nationally. Each C$1.00 of electricity buys roughly 156.2 hours of use.
How to lower the cost of running a air purifier
- Run on high only to clear a room, then drop to low or auto.
- Replace filters on schedule. A clogged filter makes the fan draw more for less air.
- Size the unit to the room. An oversized purifier on low beats a small one on high.
In standby it draws about 1 W, which adds roughly 9 kWh (C$1.40) per year if it is never unplugged.
Frequently asked questions
How much does it cost to run an air purifier 24/7?
About 29 kWh a month at 40 watts. Pick your region above.
Do air purifiers use a lot of electricity?
Not per hour, but continuous use adds up. Auto mode helps.
Should I leave my air purifier on all the time?
Manufacturers say yes for consistent air quality. On low, the cost is small.
Cost by region
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- Newfoundland and Labrador