Should I turn off the heater when away?

Author: Dolly Kemmer I  |  Last update: Saturday, June 6, 2026

Lower Thermostat Settings Are you still wondering, “Should I leave the heat on when away?” Turning the thermostat down is the way to go no matter how long you'll be gone. By setting your thermostat to no lower than 55 degrees before leaving for vacation, you'll avoid plumbing problems and save money.

Should I turn off my heater when I leave?

Residential HVAC contractors do not recommend turning your heat off while your on vacation because this may cause your pipes to freeze. As the water expands inside your pipe, it can cause the pipes to burst, leading to extensive flooding. Keep the heat on, and you're far less likely to come home to a flooded home.

Should I turn my heating off when I go out?

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.

Should you turn down the heat when on vacation?

Generally, you should set your thermostat to around 55 degrees Fahrenheit while you are away on vacation. This temperature is a good middle ground that will keep your house's pipes from freezing without wasting too much energy.

What temperature should you leave an unoccupied house in winter?

In general, it's recommended to set your thermostat to 55 degrees Fahrenheit or higher. This may seem high compared to the freezing point of 32 degrees Fahrenheit, but it'll help keep the interior of the floor and wall cavities – where your plumbing is often located – safely above freezing temperatures.

Should I turn off my water on vacation? | Plumbing FAQs | Absolute Services

Should I leave heating on when away in winter?

In case you plan to spend a holiday in wintertime, especially when it's nippy outside, better keep your boiler on while you are away. The heating unit keeps the house warm for you and your family. To that, it prevents freezing of the pipework and ensures that you won't have to deal with unnecessary problems.

How do I stop my pipes from freezing in an empty house?

Five tips to avoid freezing pipes in your unoccupied home
  1. Insulate pipes and water tanks. Wrap outside pipes and those in colder areas of the home with insulation. ...
  2. Leave the heating on. If it's feasible, set your thermostat to 15C. ...
  3. Turn taps on regularly. ...
  4. Isolate outside water supplies. ...
  5. Drain the water system.

What should I set my thermostat at in the winter when away?

When preparing your home for winter if you plan to be away, the best thermostat settings are between 55 and 60°F. If your winters are mild and freezing pipes are not as much of a concern, you can go lower to 45°F to potentially save money.

Is it better to turn off heat or turn it down?

It's More Advisable to Turn the Heat Down, Not Off

Install an automatic thermostat so you don't have to manually adjust the temperature every day. When you turn off the heat in your home during the winter, your home loses heat faster.

How cold is too cold in a house?

The World Health Organization (WHO) recommends setting your thermostat no lower than 64 degrees (F) in the Winter months while people are in the home. If there are infants or elderly individuals, they recommend keeping the temperature at 70 degrees at a minimum.

What temperature to leave the house while away?

The biggest reason to heat your home while you're away is to minimize the risk of frozen pipes. Any plumbing that runs alongside exterior walls and inside unfinished spaces is at risk. Holding the temperature at 60 degrees or higher limits this risk.

When should you turn the heat off?

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.

What happens if I turn my thermostat off?

What Happens If I Turn My Thermostat Off When I Leave Home? When you turn your thermostat off during a holiday trip, your heating, ventilation, and air conditioning (HVAC) system won't run while you're gone. As a result, your home's temperature will begin to edge up or down to match the outdoor temperatures.

Should I leave my heater on while I'm gone?

Are you still wondering, “Should I leave the heat on when away?” Turning the thermostat down is the way to go no matter how long you'll be gone. By setting your thermostat to no lower than 55 degrees before leaving for vacation, you'll avoid plumbing problems and save money.

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 better to leave heating on or off?

Unless your house is very well insulated, keeping your heating on low all day is usually unnecessary and will cause your heating bills to soar. Instead, set your heating to come on in the morning before you get up and turn it off half an hour before you leave for work.

Should I turn the heat off when I leave for vacation?

Best Thermostat Settings for Winter Vacation

For your winter vacation, you need to make sure you don't have an issue with frozen pipes. That's why you should never turn your heat all the way off when you are gone for an extended period. Instead, make a more moderate change to your thermostat.

What temperature to leave heating on when away?

However, in leaving the heating on we advise to turn it down from full power to around 16 degrees. This will enable your system to keep ticking over at an economical level. If you have a modern boiler it may have a frost or antifreeze setting which allows you to set a low temperature that will come on automatically.

Is it cheaper to turn the heat on and off or leave it on?

You don't need to leave the furnace on all winter long to save money on your energy bills. In fact, you can save more money if you turn the heat off and on based on need.

How warm will a house stay without heat?

Generally, a house will stay warm for 8–12 hours after losing heat. However, without intervention, it will eventually reach outdoor temperatures. If temperatures are frigid outside, maximize the warmth by gathering the family in a small room, wearing many thin layers, and placing towels around windows and doors.

Does turning the heat on and off raise the bill?

Strategies for Lowering Your Monthly Heating Bills

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.

Can you leave the heat off in winter?

Burst pipes

If the interior of your home gets too cold, you run the risk of burst water pipes when the water inside them freezes and expands. You can turn off the water or leave taps running to try to prevent this, but that leaves you without running water as well as no heat.

Will pipes freeze if heat is off?

When pipes are not insulated very well or they aren't being used, and have no heating source, the water in the pipes will begin to freeze. If you leave pipes to freeze, it is more than likely that after An extended period of time they will begin to crack and inevitably burst.

What to do when leaving a house unoccupied in winter?

Set the Temperature
  1. Replace the batteries in your thermostat.
  2. Update your smart home system to prevent downtime or errors.
  3. Leave interior doors open to allow warm air circulation.
  4. Keep cabinet doors open, especially in kitchens and bathrooms, to allow warm air to reach pipes.

How to avoid burst pipes when going away?

Preventing burst and frozen pipes

keep the home as warm as possible even if you are out. lag pipes in exposed or draughty places. leave the trap door to roof space open to let warm air flow in during extreme weather conditions when there is the chance that un-lagged water tanks and pipes could freeze.

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