Should I turn off the water heater for vacation?

Author: Loy Cole  |  Last update: Thursday, June 12, 2025

If you have an electric water heater, it is recommended that you shut off the power and the cold water supply to the water heater if you are going away for any length of time. You will save electricity and limit any damage in case the tank leaks. Upon your return, do a visual inspection of the water heater.

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

Yes, you should, if it is for any significant length of time or there will be significant loss of water from the piping. For temporarily allowing repairs it probably is irrelevant, but if for vacation, remodeling, or the like you should shut off the source of heat, whether gas or electric.

Should I turn off my water heater when not in use?

Yes, you should turn off power to the water heater, and make sure that all air is out of it before turning it back on.

How do I prepare my hot water heater for vacation?

Turn off the water turn on the tap to drain out the residual then turn off that tap. Most water heaters have a vacation mode this will save on heating cost set the thermostat to 17 or 18 and have someone stop in on a regular basis just to check on things for insurance purposes.

Does shutting off the water affect the water heater?

Does shutting off the water affect the water heater? When you go on vacation, it's best to also turn off your water heater, as well as the main water supply. Turning off the source of the heat (gas, electric) while you're away will not damage your water heater.

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

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

It is always advisable to turn off your water supply before leaving for a vacation. Shutting off the water is crucial for protecting your home from water damage through leaks or burst pipes. The last thing you want is to find the house flooded and with a foul smell when you return.

What is vacation mode on a 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 turn off my heater when I go on vacation?

While turning off your furnace can save you money on your utility bills, it can also cause more harm than good. To prevent coming home to a disaster, keep your furnace on.

Is it safe to turn off an electric water heater?

If it's turned off during low temperatures, then the pipes may freeze and even burst. Instead of turning it off completely, you should set your water heater to a lower temperature than usual while you're away from home. This will save energy and eliminate the risks of damage to your unit.

Can you turn water off but leave heating on?

If you are leaving the house empty for more than a few days, it should be safe to leave your heating on, however, even if you do turn off the water. It can be useful to have your central heating ticking over on a low temperature while you're not there with the help of a smart thermostat.

Is it OK to leave water heater switch on?

It's better to leave the hot water heater on all the time, rather than turning it on and off. This is a very common energy saving myth. But in fact, you really don't need to be heating your water all the time. Your immersion heater or boiler will heat up hot water which is stored in a tank.

Is it worth turning off water heater at night?

Generally speaking, a gas water heater should not be turned off unless you are leaving the house for an extended period of time. Even then the better choice for gas water heaters is to just turn the temperature down. In fact, many water heaters have a “vacation” setting on the temperature control.

Should water heater always be on or off?

A small amount of heat escapes when the water heater is on, even though your appliances are well insulated. Turning off your water heater may help you save a little money on your bills each month.

Is it OK to turn off 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.

Should I turn off gas when on vacation?

Turn off the gas at the meter if possible (and safe to do so). Open windows to allow ventilation and ensure the gas dissipates.

Does turning off the hot water heater save money?

Why turn off your water heater? Turning off your water heater, like many other electrical appliances, can save you money each month on your bill. A small amount of heat escapes when the water heater is turned on, even though it's well insulated. Typically, this loss of energy is about 10 percent of your bill.

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

If your hot water heater doesn't have a vacation setting, simply manually adjust your temperature to resemble Vacation Mode by lowering the temperature to 50 degrees Fahrenheit, or the lowest setting your thermostat allows. You may also choose to turn your hot water heater off completely.

Can I take a shower if my water heater is turned off?

The short answer is yes, as long as you don't mind using cold water. Shutting off the input to your water heater will not affect your home's main water supply. You can still run appliances like your washing machine or dishwasher, flush your toilet, and use your shower, sink, or garden hose.

Should you shut your water off when going on vacation?

If you do not turn off your water supply before leaving for vacation, water will continue sitting in your pipes, waiting to be used.

Is it safe to shut off water to a water heater?

If you find that your water heater has developed a leak, you should turn off the water via the valve on the heater to minimize leakage. If, however, the valve is broken, you must turn off the main water supply to prevent a never-ending flood.

What should I turn my heat down to when I go on vacation?

The best approach is to set your vacation thermostat about 10 degrees higher (summer) or lower (winter) than you normally set it when away from home. This lowers the amount of time your HVAC system is running while you are away. In general, don't set it above 85° in the summer or below 50° in the winter.

Should I turn off heater when not in use?

To save energy, it will always be better to turn off your heating in your absence. However, depending on the dwelling, keeping a minimum temperature is advisable.

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.

Is it better to leave hot water heater on all the time?

The truth of the matter is this: yes, you will use a little more energy initially when getting the water back up to temperature. However, you will use far more energy over the course of time because you'll be heating the cylinder for hours and hours when no one will be using the hot water.

Is it safe to leave the water heater on pilot setting?

Tank-Based Gas Hot Water Heaters

If your hot water heater is gas, simply turn the setting to vacation or pilot mode, DO NOT TURN IT OFF! Reigniting your tank-based gas hot water heater is dangerous, therefore remember to take proper precautions!

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