How Much Does It Cost to Run a Heated Towel Rail in Ontario? (2026)

A heated towel rail is a small radiator. Left on all day it can use more electricity than a fridge, which surprises many people. Timers make the difference.

A typical heated towel rail (150 W) costs C$0.022 per hour, or about C$5.39 per month at 8 hours a day in Ontario. Average running cost

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 60 WC$0.009C$0.072C$2.15C$26.21
Typical 150 WC$0.022C$0.18C$5.39C$65.52
High 400 WC$0.060C$0.48C$14.36C$174.73

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 438 kWh per year.

One hour of a heated towel rail (0.15 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #67 of 95 appliances, from least to most.

In Ontario, with electricity at 15.0¢ per kWh (source: Hydro-Québec 2025 comparison, 2025-04), a typical heated towel rail costs C$0.022 per hour and about C$65.52 per year at 8 hours a day. That is about 7% more than the national average for Canada (C$5.04 per month), because electricity in Ontario costs 15.0¢ per kWh against 14.0¢ nationally. Each C$1.00 of electricity buys roughly 44.6 hours of use.

How to lower the cost of running a heated towel rail

Frequently asked questions

How much does a heated towel rail cost to run?

A 150 watt rail on for 8 hours uses 1.2 kWh a day, 36 kWh a month.

Is it cheaper to leave a towel rail on all the time?

No. Unlike a water heater, it has no storage to protect. Switch it off when not needed.

Do towel rails use a lot of electricity?

Relative to their benefit, yes. A 24 hour rail can cost more than lighting the whole house.

Cost by region

US states
Canadian provinces

Related appliances

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