How Much Does It Cost to Run a CPAP Machine in Ohio? (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 $0.006 per hour, or about $1.38 per month at 8 hours a day in Ohio. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 10 W$0.002$0.015$0.46$5.60
Typical 30 W$0.006$0.046$1.38$16.81
High 90 W$0.017$0.14$4.15$50.43

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 Ohio, with electricity at 19.2¢ per kWh (source: EIA Table 5.6.A, 2026-06), a typical cpap machine costs $0.006 per hour and about $16.81 per year at 8 hours a day. That is about 5% more than the national average for the US ($1.32 per month), because electricity in Ohio costs 19.2¢ per kWh against 18.3¢ nationally. Each $1.00 of electricity buys roughly 173.7 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 ($3.36) 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