How Much Does It Cost to Run a Ceiling Fan in the UK? (2026)

Ceiling fans do not cool the air, they cool people through air movement. At 15 to 90 watts they cost a tiny fraction of an air conditioner, which is why the best strategy is to run both and raise the AC thermostat.

A typical ceiling fan (50 W) costs £0.013 per hour, or about £3.16 per month at 8 hours a day in the UK. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 15 W£0.004£0.032£0.95£3.79
Typical 50 W£0.013£0.11£3.16£12.63
High 90 W£0.024£0.19£5.69£22.74

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day for about 120 days a year (the cooling season) ≈ 48 kWh per year.

One day of a ceiling fan (1.2 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #23 of 95 appliances, from least to most.

In the UK, with electricity at 26.3p per kWh (source: Ofgem price cap 1 Oct–31 Dec 2026, 2026-10), a typical ceiling fan costs £0.013 per hour and about £12.63 per year at 8 hours a day. Each £1.00 of electricity buys roughly 76.0 hours of use.

How to lower the cost of running a ceiling fan

Frequently asked questions

How much does it cost to run a ceiling fan all day?

A 50 watt fan on for 24 hours uses 1.2 kWh, about the same as a window AC unit running for one hour.

Does a ceiling fan use more electricity on high?

Yes, roughly three times more than on low, but still far less than any cooling appliance.

Is it cheaper to run a fan or an AC?

A fan, by a factor of 10 to 30. But a fan cannot lower the room temperature.

Cost by region

US states
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Related appliances

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