Should I turn off the heater at night?

Author: Eve Collins DDS  |  Last update: Sunday, October 19, 2025

It's More Advisable to Turn the Heat Down, Not Off If you really want to save money and avoid the problems associated with turning off the heat at night, what you should do instead is just turn it down.

Should I turn my heating off overnight?

You shouldn't turn off the heat or the pipes can freeze and damage them when you turn the heat back on. You can turn down the heat but never turn it off during the winter.

Is it okay to leave a heater on all night?

It is not safe to run a space heater overnight. If you use an electric or propane space heater during the day, make sure to protect yourself and your home by following all safety practices. Use space heaters that automatically turn off if they tip over.

Should I sleep with the heater on or off?

Experts say you shouldn't leave your heating on all night

Leaving the heating on while sleeping will add to the costs of your energy bills but it could also encourage the growth of mould on your walls and cause some health issues.

Should I turn off heater when not in use?

Lower heat but do not turn it off. If you turn it off then it has to run longer to get back up to temp and your energy savings is lost.

Energy Myths - Should you turn the thermostat down at night?

Does turning the heat off at night save money?

According to the U.S. Department of Energy, homeowners can save on utility bills by turning down their thermostats before they go to sleep and during the daytime hours when/if no one is home. You can save an average of 1% on energy costs for every degree reduced on your thermostat.

Is it bad to turn off heat in winter?

You should never turn your heat completely off in the winter, as you'll risk sustaining plumbing damage and uncomfortable temperatures for your pets. Leaving your heat down has clear advantages, from saving money to a longer-lasting heating system. Reasons to leave the heat down include: Higher energy savings.

What should the heater be set at night?

Temperatures between 60 and 66 degrees Fahrenheit at night are best for a good night's sleep.

Is it better to leave heater on or turn on and off?

If you have an electric heater or an old, non-condensing boiler, we recommend not leaving them on forever. That's because electricity heaters can be expensive to run, so turning them on and off will help. As for the non-condensing boiler, they have a fixed efficiency, so turning them on or off won't help.

Can a room heater cause a headache?

This can “cause headaches, fatigue and just not feeling right”, Cowl says. Meanwhile, warm spaces can cause your heart rate to decrease and make you feel less energetic, Durant explains. Heated air is also dry, which can lead to dehydration.

Should you turn your heater down at night?

Not only is it okay to leave the heater on all night, it can save you money. Here's the secret: Set the temperature of your home at least eight degrees lower for the eight hours or so that you sleep at night. Every degree you lower the thermostat can net you an estimated 1% off your heating bill.

How long is too long to leave a heater on?

Never leave a space heater running for long periods of time, and especially not overnight; it is best to use them intermittently; depending on your situation, a suggested practice would be to turn it off/unplug it for 10 minutes every hour if you depend on its use for longer periods.

Should my heat run all night?

It isn't bad to run your heating system on a 24/7 basis if outdoor weather conditions demand indoor warmth. For many households, maintaining a constant indoor temperature is the only way to survive the winter. Just be aware that this is likely to cause additional wear and tear on your heating system.

Is it bad to leave the heater on all night?

Electric heaters of any type are unsafe to leave running overnight because they carry a significant amount of risk. If a space heater falls over or becomes too hot from running for too long of a period of time, that can lead to a fast-moving fire that occurs while you are asleep and cannot act fast enough.

Does turning the heater on and off cost more?

Although turning your heat on and completely off frequently can raise energy bills, you can actually save a lot of money by turning your heat down when you are not at home and keeping it at a reasonable temperature when you are.

What temperature should a house be at night?

Ideally you should heat your home to a temperature of at least 18 °C. This is particularly important if you have reduced mobility, are 65 or over, or have a health condition, such as heart or lung disease. Having room temperatures slightly over 18 °C could be good for your health.

Should you turn heating off overnight?

Turning your heating off overnight may seem like a good way to save energy and money. However, when you turn your heating back on in the morning, your system has to work harder to warm up the cold space, which can actually use more energy and lead to higher energy bills.

Is 72 a good temperature for heat in the winter?

While there are occupants in the house, it is advised for homeowners to set their thermostats between 68 and 72 degrees to promote maximum comfort. A pleasant temperature for everyone in the house, regardless of the apparel they are wearing, is between 68 and 72 degrees, which is neither too warm nor too cool.

Is it OK to turn off the heater?

We recommend turning off your heating system whenever the temperature consistently reaches 50° F outdoors. This doesn't mean you must shut off your heating system entirely. Instead, it simply means that you should be able to at least shut it off throughout the daytime hours to help save money on your energy bills.

Is 65 too cold for a house?

The World Health Organization recommends keeping indoor temperatures between 64 and 75 degrees Fahrenheit for healthy people. The minimum temperature should be kept above 68 degrees Fahrenheit to protect the very young, the elderly, or people with health problems. Watch out for signs of hypothermia.

Can you leave night heater on all night?

In fact, the risks tend to outweigh the benefits. This is why it's generally not recommended that you leave your space heater on overnight.

What should I set my thermostat at night in the winter?

In the colder months, a winter thermostat setting of 68° F should be comfortable for you, your children, and your pets when you are at home and awake. You can then set it lower — say, 63-65° F — while you sleep to save even more.

Does turning down the heat at night save money?

Thermostat Operation

The smaller the difference between the indoor and outdoor temperatures, the lower your overall cooling bill will be. You can easily save energy in the winter by setting the thermostat to around 68°F to 70°F while you're awake and setting it lower while you're asleep or away from home.

How cold is too cold for no heat?

Losing your home's heating is considered an emergency when it's 40 degrees or colder outside.

When should I turn off the heat in my house?

At Night – Close windows as the temperatures drop. Unless it gets considerably colder overnight, your home should retain much of the heat of the day without getting uncomfortably cold. When temperatures are above 60 degrees consistently, it's usually time to turn off your heating system for the season.

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