How Much Does It Cost to Run a CPAP Machine in Alberta? (2026)

A CPAP without a humidifier draws 10 to 30 watts. With a heated humidifier and heated hose it can reach 60 to 90 watts. Either way, a full night costs a few cents.

A typical CPAP machine (30 W) costs C$0.007 per hour, or about C$1.62 per month at 8 hours a day in Alberta. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 10 WC$0.002C$0.018C$0.54C$6.56
Typical 30 WC$0.007C$0.054C$1.62C$19.67
High 90 WC$0.020C$0.16C$4.85C$59.00

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 88 kWh per year.

One day of a CPAP machine (0.72 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #28 of 95 appliances, from least to most.

In Alberta, with electricity at 22.4¢ per kWh (source: Hydro-Québec 2025 comparison, 2025-04), a typical cpap machine costs C$0.007 per hour and about C$19.67 per year at 8 hours a day. That is about 60% more than the national average for Canada (C$1.01 per month), because electricity in Alberta costs 22.4¢ per kWh against 14.0¢ nationally. Each C$1.00 of electricity buys roughly 148.5 hours of use.

How to lower the cost of running a CPAP machine

In standby it draws about 2 W, which adds roughly 18 kWh (C$3.93) per year if it is never unplugged.

Frequently asked questions

How much does it cost to run a CPAP every night?

About 0.25 kWh a night at 30 watts, 7 to 8 kWh a month.

Does a CPAP use a lot of electricity?

No. Even with heated humidification it is under 25 kWh a month.

How long will a CPAP run on a battery?

A 100 Wh battery runs a basic CPAP without humidifier for one to two nights.

Cost by region

US states
Canadian provinces

Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz