What temperature to keep a house in winter so pipes don't freeze?

Author: Gregory McCullough  |  Last update: Tuesday, August 12, 2025

Keep the thermostat at a minimum of 68 degrees Fahrenheit. Make sure pipes are properly insulated. Keep water slowly flowing on outer wall faucets. Cover outside faucets.

What temperature should I keep my house to prevent pipes from freezing?

To prevent pipes from freezing, it's often recommended to keep your home temperature at least 55°F (13°C) or higher, especially in areas where pipes are located near exterior walls, in unheated spaces, or in attics and basements.

Will my pipes freeze if my heat is on 60?

Keep the Heat On

The ideal temperature would be around 55 to 60 degrees. This will be warm enough to keep pipes from freezing.

Will pipes freeze if the house is 55 degrees?

Your pipes are at risk of freezing any time temperatures drop below 32°F. However, it's much more common for pipes to freeze when temperatures dip below 20°F.

How low can I set my thermostat to keep pipes from freezing?

Pipes can freeze about 32, best bet is to keep it between 40-50 just to be safe. Get a WiFi stat to give you an alert if the temp dips below, then you may have enough time to address the issue if your furnace fails.

10 PROVEN Methods to Keep Your Water Pipes from Freezing this Winter

Can I keep my house at 60 degrees in the winter?

Recommended Temperature When You Are Home

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.

Does keeping heating on low stop pipes freezing?

Keep the heating on

If you leave your property for any length of time, set your thermostat to maintain a consistent temperature while you're away – this doesn't have to be at the level you would normally heat your home, but should be warm enough to stop pipes freezing over.

How do people up north keep their pipes from freezing?

Generally, houses in northern climates are built with the water pipes located on the inside of the building insulation, which protects the pipes from subfreezing weather.

Can pipes freeze in one night?

Yes, pipes can freeze overnight if temperatures plummet drastically. Uninsulated pipes in unheated areas like attics or exterior walls are most vulnerable.

At what temperature should you drip your faucet?

So, exactly how cold does it need to be before you do this? Southern Living says professionals list the threshold temperature for pipes to freeze at 20 degrees Fahrenheit, meaning this or anything below can create a potential for water to turn to ice in your pipes.

Will shutting off water keep pipes from freezing?

Prevent Frozen Pipes

Moving water keeps pipes from freezing. Find shut off valves for emergencies. Insulate pipes in unheated areas. Open cupboards and vanities to warm pipes.

What temperature to keep a house in winter?

The U.S. government Department of Energy (DOE) states that people should set their thermostats to 68 degrees F. This is the optimal temperature for keeping a home comfortable.

At what temperature do pipes freeze burst?

Pipes can freeze when the temperature stays at or below 0°C for an extended period of time, especially if they are exposed to the cold.

Will my pipes freeze if my heat is on 65?

Don't turn your thermostat down below 65 degrees during extreme cold. Further drops in temperature could be enough to cause a problem, especially inside walls where pipes are located. Your heating bill may go up a little, but that's better than an expensive repair job if a pipe freezes and bursts.

Should you open an attic door during a freeze?

'Although it might not seem like a big deal, leaving your attic door or hatch open during freezing weather can help to prevent a whole host of home maintenance issues, such as preventing ice dams on roofs, frozen pipes, and mold growth,' begins Jay Sanders, contractor and owner of Castle Dream Construction.

Which house pipes most likely to freeze?

No matter the strength of a container, expanding water can cause pipes to break. Pipes that freeze most frequently are: Pipes that are exposed to severe cold, like outdoor hose bibs, swimming pool supply lines, and water sprinkler lines.

At what temperature should you run water so pipes don't freeze?

Here's a list of ways to prevent freezing pipes in your home: Keep the thermostat at a minimum of 68 degrees Fahrenheit. Make sure pipes are properly insulated. Keep water slowly flowing on outer wall faucets.

How to winterize a house without heat?

Steps to winterize your vacant house
  1. Shut off the water at the street. ...
  2. Give some attention to your water heater. ...
  3. Open up the lowest faucets on your property. ...
  4. Drain the system. ...
  5. Pour environmentally safe, biodegradable antifreeze into each of the drains. ...
  6. Tape the toilets shut and post signage.

How long can pipes stay frozen without bursting?

Pipes typically burst when exposed to extremely low temperatures for an extended period of time (anywhere from 1-3 days depending on temperature). This is especially true for pipes located on exterior walls. A frozen pipe is likely to burst when any water or liquid trapped within it freezes and begins to expand.

Can pipes freeze if the house is 60 degrees?

What Temperature Will Cause My Pipes to Freeze? Pipes run the risk of freezing at temperatures below 32 degrees Fahrenheit, especially if they're not insulated, but most insulated pipes start to freeze at 20 degrees Fahrenheit or below.

How do Alaskans keep their pipes from freezing?

Allowing a small quantity of water to continually move through the pipes usually prevents freeze-up. Opening taps just enough to cause them to drip fast is another freeze prevention technique.

How do you build a house so pipes don't freeze?

In some cases, an investment of a few dollars to protect at-risk pipes could save you thousands of dollars, not to mention the heartbreak and hard work that comes with a burst pipe. For the long term, add insulation to attics, basements, and crawl spaces. Insulation will maintain higher temperatures in those areas.

What temperature should I set my thermostat so pipes don't freeze?

What Temperature Should I Keep My House So the Pipes Don't Freeze? As explained, 55 degrees is usually considered the lowest thermostat setting to avoid frozen pipes.

How to avoid frozen pipes bursting?

5 ways to prevent frozen (and bursting) pipes
  1. Keep thermostats in outbuildings and second homes at 65 degrees. ...
  2. Add insulation to outside walls that contain pipes. ...
  3. Use snap-on insulation for pipes in unheated areas. ...
  4. Install smart technology. ...
  5. Disconnect hoses and protect outside spigots.

What temperature to keep an empty 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.

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