Should I drain my hot water heater when on vacation?

Author: Lora Moen  |  Last update: Thursday, February 5, 2026

Locate the circuit breaker or the gas valve and switch it off. This will prevent the water heater from continuously heating the water, saving energy and reducing the risk of any potential malfunctions or leaks in your absence. Drain your water heater before leaving to avoid any damage caused by stagnant water.

Should I drain my hot water heater when I go on vacation?

you should never drain water from a water heater for short term vacancy - it dramatically increases corrosion rate. Turn to low if you want to save some gas, shut off water at first valve in the house if you are worried about leaks, etc...

Should a water heater be drained when not in use?

Absolutely drain them. They are past there expected lifetime--i recommend replacing water heaters once they get 12 or so years old. As they are in the attic, even a small leak could be catastrophic .

What to do with a water heater when going on long vacation?

You can turn down the water heater to 'vacation' mode so it doesn't stay as hot. The tank will stay full of water in the meantime so as long as your pipes aren't going to freeze and burst you should be fine.

Can I shut off the water to my house and safely leave the water heater on while I'm away on vacation for a week?

No. Anytime you turn off water to house, always de-energize tank heaters. If water drained down for some reason, you don't want air in tank with energy source on. Can cause dangerous conditions or damage heater. Also, make sure to bleed any air from heater before turning energy back on.

What should I do with a water heater when I go on vacation?

Will shutting off water damage water heater?

Else, if you have a full water tank, and you need to turn off the water for an issue unrelated to your water heater, then it really doesn't matter if you turn the water heater on or off.

Is it okay to turn off a hot water heater for a week?

No, unless you're going on vacation for a month or longer, you shouldn't turn off your water heater. Here's why: You won't see significant energy savings. You'll create more problems by turning your water heater off/on repeatedly.

Does draining water heater extend life?

You can drain your tank water heater yourself with just a garden hose, flathead screwdriver, a bucket, and some time. Draining your water heater minimizes sediment buildup. This buildup can damage your water heater over time, so it's good to get rid of it.

Is it bad to shut off the main water valve?

First, locate the mains water supply valve in your home. You should know where this is anyway, in case there is a plumbing emergency. The valve should have a wheel control or lever handle to open and close it. It is perfectly safe to turn it off by either turning the wheel clockwise or closing the lever.

Should I turn off the water heater when I go on vacation in the winter?

During colder months, leaving your water heater running at a low temperature helps prevent frozen pipes. When pipes freeze, the risk of burst pipes and water damage increases, leading to potentially costly repairs.

Should snowbirds drain the water heater?

Shut Off The Water Heater

If you have a gas water heater, you can turn the heater off at the source and shut off the gas valve. If you have an electric heater, it can be turned off at the breaker. Once off, you can open the valve or spigot on the water heater to drain the water into a pail or bucket.

What is the vacation setting on a hot water heater?

Vacation mode is a setting on your water heater system that allows you to run your boiler at lower temperatures than normal, saving energy. Typically, manufacturers set vacation mode to 50° F—well below the warmth you need to heat your home, but hot enough to prevent any water from freezing while you're away.

Should I flush my 10 year old water heater?

If neither you nor a professional have flushed your water within the last five years, Water Heaters Now recommends not flushing it yourself. If you flush a water heater that already has a significant sediment buildup, it can actually cause more problems.

Should I drain the water heater when not in use?

Draining the water heater once a year is recommended, but excess sediment can accumulate faster if you live in an area with hard water. “Hard water is water with higher mineral content,” Beck explains. If you have hard water, consider draining the water heater more than once a year.

Is it OK to shut off water when on vacation?

Regardless of the season, you should ensure that your main water supply is turned off before leaving for vacation. However, in winter, you should be more vigilant. During this season, the water inside water pipes may freeze.

How long can a hot water heater sit unused?

Industry Standards. Industry guidelines are clear about water stagnation. They suggest that water should not sit unused in a heater for long periods. The exact timeframe varies, but generally, it is recommended to replace the water if it has been stagnant for more than six months.

Should I leave faucets open after shutting off water?

Pipes: Turn off water supply to the house and drain pipes to protect them from freezing. You can empty pipes by running the water and flushing the toilets after the water has been turned off. After draining the pipes, it is a good idea to leave the faucets open to prevent pressure build up from any water that remains.

Should I turn off my water softener when I go on vacation?

And if your pipes are weak, you'll be coming home to burst pipes, water damage, and possible electrical issues. Instead, turn off your water softener. Go the extra mile, and drain the tank while you're at it. This will keep the tank from freezing while you're gone.

What happens to pipes when water is turned off?

When you shut off a faucet, the water still has some force, which has to be absorbed, causing the pipe will flex. If the pipe is near wood, it will bang against the wood. You can stop this plumbing noise problem by installing water hammer arrestors on the offending water lines.

Should I drain my water heater when I go on vacation?

Allowing your water heater to remain running while you're on vacation will maintain the temperature of your pipes and plumbing system. Not only does this prevent frozen pipes, but it can also save you from a costly reheating process.

Can you damage a hot water heater by draining it?

It's important to shut off the power to your water heater before draining it, or you could potentially burn out the heating elements. If you have an electric water heater, shut the power off from your home's electrical panel. The correct fuse or circuit breaker should be labeled as being connected to the water heater.

Do I need to open a faucet when draining a water heater?

Opening a hot water faucet will help the water heater drain faster. Some drain valves may be opened with a handle but others require a flat blade screwdriver. Let the water heater drain completely.

Is it a good idea to turn off the water heater during vacation?

Unless you'll be vacating your home for a month or longer, turning off your water heater is unnecessary.

Why does it take so long to drain a hot water heater?

Why is it taking so long for my water heater to drain? Several reasons might cause your water heater to take longer to drain. These reasons could include a clogged or partially closed drain valve, sediment buildup at the bottom of the tank, a blocked vent, or low water pressure.

Do water heaters run when not in use?

In most instances, the answer to our last question is no. If your water heater is constantly running, there is probably a problem.

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