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How Do You Prevent Pipes From Freezing in a Vacation Home?

Last updated October 26, 2026

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The short answer

Keep the Heat On

Set the thermostat to at least 55 degrees Fahrenheit, even when you are away. This keeps the air warm enough to stop pipes from freezing in most cases. Make sure the heating system is in good working order before you leave. If your vacation home is in a region with very cold winters, consider setting the thermostat a bit higher for extra safety.

Consider a smart thermostat that you can monitor remotely. That way, you can check the temperature and adjust it if a cold snap hits. Also, keep cabinet doors under sinks open so warm air can reach the pipes. This simple step helps prevent freezing in areas where pipes are close to exterior walls.

Drain the Water System

If the home will be empty for a long time, draining the water system is a reliable option. Turn off the main water valve, then open every faucet and flush toilets to remove water from the lines. This leaves no water to freeze and expand. Be sure to drain outdoor spigots and irrigation lines as well, since they are especially vulnerable.

After draining, pour a small amount of plumber's antifreeze into drains and toilet bowls to prevent traps from freezing. Be sure to follow the product instructions. This method works well for homes in very cold climates. Remember to label any antifreeze containers clearly to avoid accidental use.

Insulate Exposed Pipes

Wrap exposed pipes in foam insulation, especially those in crawl spaces, attics, and garages. This adds a layer of protection against freezing temperatures. Pay extra attention to pipes along exterior walls. Insulation is inexpensive and easy to install, making it a sensible first step for any vacation home.

You can also use heat tape or cable on problem pipes. Follow the manufacturer's directions carefully to avoid fire hazards. Insulation is a simple step that reduces the risk of freezing. For pipes that run through unheated areas, consider adding both insulation and heat tape for maximum protection.

Shut off and Protect Appliances

Turn off the water supply to washing machines, dishwashers, and ice makers. Disconnect hoses and drain any remaining water. This prevents leaks and frozen lines in these appliances. Also, drain the water heater and consider turning it off to save energy while you are away.

Shut off the water heater and drain it if you are leaving for an extended period. This avoids pressure buildup and potential damage. Make a list of all water-using appliances to check before you leave. Include things like the coffee maker and any humidifiers that might hold water. Policies vary, and your insurer decides what is covered.

  • Set thermostat to at least 55F
  • Open cabinet doors under sinks
  • Turn off main water valve
  • Drain all faucets and toilets
  • Add antifreeze to drains
  • Insulate exposed pipes

Monitor and Prepare for Emergencies

Install a water leak detector that sends alerts to your phone. This gives you early warning if a pipe does freeze or burst while you are away. Some detectors also shut off the water automatically. Choose a detector with a loud alarm and a mobile app for the right coverage.

Know where the main shutoff valve is located and write it down near the valve. If you live in Port St. Lucie, keep that information handy. If a pipe bursts, you can act quickly to minimize damage. Also, ask a trusted neighbor to check on the home periodically, especially during cold snaps.

  • Install a smart leak detector
  • Know the main shutoff valve location
  • Have a neighbor check the home occasionally
  • Keep the heat on even in mild weather
  • Check the weather forecast before leaving

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Every hour counts once water gets into floors and walls. One call starts the response.

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Frequently asked questions

What temperature should I keep my vacation home in winter?

Set the thermostat to at least 55 degrees Fahrenheit. This is generally enough to keep pipes from freezing. If the home is in a very cold area, you might need a higher setting. Always make sure the heating system works before you leave.

Should I leave faucets dripping in a vacant home?

Yes, dripping faucets can help prevent freezing because moving water is less likely to freeze. But this uses water and may not be practical for a long absence. Draining the system is often a better option for vacation homes.

What should I do if a pipe freezes while I'm away?

If you get a leak alert or suspect a frozen pipe, shut off the main water valve immediately. Then call a local water damage pro to assess the situation. Do not try to thaw a pipe with an open flame, as that can cause a fire. The pro can help you safely address the problem and prevent further damage.

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