Does a heated blanket use more electricity than a space heater?

Author: Prof. Eloy Krajcik PhD  |  Last update: Friday, May 8, 2026

Space heaters are energy drains that emit greenhouse gasses and pollute the air we breathe. By switching to an electric blanket, you'll save energy, minimize fire risk and stay cozy all winter long. Electric blankets use 90% less energy than a typical portable electric space heater.

Is it cheaper to use a space heater or electric blanket?

With standard wattages around 200-400 Watts, electric blankets use significantly less energy than space heaters. In comparison, monthly increases to your bill for running an electric blanket for 5 hours per day will cost you a little under $2 per month.

Is it cheaper to heat a room or use an electric blanket?

Advantages of getting an electric blanket

There are low upfront costs of £20-£80 for an electric blanket, compared to thousands for central heating, and they are very cheap to operate (typically 1-4p per hour used). Electric blankets also provide direct, targeted warmth without heating empty rooms.

Is it okay to sleep with a heated blanket every night?

While a modern, well-maintained electric blanket is unlikely to cause problems with proper use, it is not recommended to keep electric blankets on all night. Instead, it's helpful to use electric blankets to warm up your bed before you get in and turn them off before you fall asleep.

How much does it cost to run an electric blanket for 24 hours?

This means that a 100W electric blanket, which uses 0.1kWh, will cost you a mere 2.7p per hour. If you're using the blanket for a typical two-hour wind-down at bedtime, you're looking at just over 5p per day—a small price to pay for the comfort it provides.

Do Space Heaters save you Money? (Honest Budget Heating Advice)

Do electric blankets run up your electric bill?

An electric blanket might consume 200 watts (depending on the setting). So if you leave it on for 10 hours, it consumes 2 kilowatt-hours. That would cost between 15 and 30 cents, depending on your location. Many appliances tell you their energy consumption.

Do electric blankets use a lot of money?

Electric blankets cost mere pennies to run continuously for an hour. The actual amount of electricity consumed and how much that costs you will ultimately depend on the blanket's own heat settings, which usually range from 18 to 56°C, and how long it takes to reach the desired temperature.

What are the disadvantages of heating blankets?

Heated blankets may get too hot or might cause burns if kept on one area of the body for too long. Heated blankets are regular blankets that contain wires within that heat them up. They may pose a risk for fires and burns.

Should an electric blanket be on top or bottom?

An electric blanket should be positioned on top of your mattress and under your sheet, and secured at the corners when fastening straps are provided.

How to stop an electric blanket from moving overnight?

Straps or suspenders can be clipped or pinned to the blanket and run under the mattress to anchor the blanket in place from side to side or from top to bottom. Application: Attach the straps securely and adjust them so they maintain tension, which helps prevent any movement of the blanket as you sleep.

What is the difference between a heated blanket and an electric blanket?

Functionality: Heated throws are portable and versatile, ideal for lounging. Electric blankets are tailored for bed use, providing consistent warmth for sleeping. Size: Throws are smaller and typically fit one person, while electric blankets come in sizes to match your bed—single, double, king, you name it.

What is the cheapest electric way to heat a room?

Generally speaking, Halogen heaters are one of the most inexpensive types of electric heater. They average around 1200W in terms of power output and because they provide instant-heat at close quarters, you shouldn't need to leave them on for long periods of time.

How much does it cost to run an electric blanket every night?

Cost in Dollars of Energy Usage

Using the default values of 200 watts and an energy price of $0.12/kWh, the cost of using an electric blanket for 8 hours a day is $0.19 per day, $5.76 per month, and $70.08 per year.

Do space heaters use a lot of electricity?

Space heaters can take anywhere from 750 watts to 3,000 watts to operate. Large space heaters take immense amounts of energy to run. However, those are most likely used only in commercial and industrial settings. The average residential space heater has two main heat settings, low and high.

Are electric blankets more efficient than heaters?

How much electricity does an electric blanket use? Generally electric blankets, which disperse heat through built-in wires, consume little energy. On average, they cost about four cents an hour, compared to some space heaters which can cost around 15 cents an hour.

Which electric blanket uses the least electricity?

Dreamland Luxury Cotton Mattress Warmer

The electric blanket has six heat settings that cost between less than 1p and 8p per hour to use, and three timer options of one, three or nine hours. It connects to a mains plug but has dual control so you and anyone you share a bed with can control your own heat settings.

Can I leave a heated blanket on overnight?

Sleeping with an electric blanket on all night is generally safe, but ensure yours has an auto shut-off feature, keep the heat setting low, and be sure to follow the manufacturer's instructions. That way, you can have a warm and toasty sleep that's also worry-free.

Can I put a fitted sheet over my electric blanket?

Here's how to do it effectively: Position the electric blanket on the mattress: Lay it flat and ensure it covers the area where you sleep. Place a fitted sheet over the electric blanket: This creates a barrier between you and the heating elements, adding a layer of safety.

What not to do with a heated blanket?

✓ Don't fold an electric blanket when storing or using it: the wires inside the blanket can become damaged and cause it to overheat and cause a fire. ✓ Check blankets for worn areas, loose plugs or other damage. If your blanket is very old or damaged, get a new electric blanket.

Which is safer space heater or electric blanket?

Schiavon suggests trying an electric blanket or heated foot warmer. These warming devices are generally more energy efficient and likely safer than space heaters, he said. Appliances that draw large amounts of energy can be associated with increased risk of fire or burns, he said.

Is it bad to use heated blanket everyday?

First and foremost, electric blankets have some side effects that can harm your health. Leading advocates for the disuse of modern electric blankets (due to the health risks) argue that using these products enhances your risk of a cancer diagnosis, [1] pregnancy problems for women, and decreased fertility in men.

Is it OK to sit on a heated blanket?

Don't sit or lay on top of an electric blanket; this may damage the internal coils of the blanket and expose the heating element to a combustible material (the blanket).

What are the disadvantages of electric blanket?

There are several medical risks, including:
  • Diabetes. Electric blankets can cause overheating and burns, especially if you have diabetes.
  • Miscarriage. Using electric blankets early in pregnancy may increase the risk of a miscarriage.
  • Cancer.

Do electric blankets raise your electric bill?

Low Wattage Operation: Most electric blankets operate within a range of 50 to 200 watts. In contrast, standard space heaters can consume up to 1500 watts. This lower wattage means that electric blankets use much less electricity, making them a cost-effective option for personal warmth.

How much does it cost to run an electric blanket for 8 hours?

Marie says, 'Here's how much each size of this blanket costs to run for eight hours a night: Single: 0.04 x 8 x 0.25 = 0.08 (8p per night) Double: 0.07 x 8 x 0.25 = 0.14 (14p per night) King: 0.09 x 8 x 0.25 = 0.18 (18p per night)'

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