What Temperature Should A Hot Water Heater Be Set At

Sara M. George

What Temperature Should A Hot Water Heater Be Set At

What Temperature Should A Hot Water Heater Be Set At

It is important to ask what temperature should your water heater be set at. The temperature of the hot water heater should be chosen so that it combines safety and energy efficiency. Typically, a temperature of between 49°C and 60°C (or 120°F and 140°F) is advised. While temperatures beyond 140°F can raise the risk of scorching and also result in energy waste, temperatures below 120°F might not be hot enough for regular use. The growth of bacteria in the water tank can also be aided by greater temperatures, it is crucial to remember. Thus, it is advised to adhere to local building requirements and manufacturer instructions to ensure the hot water heater operates safely and effectively.Check your water heater temperature


If you are concerned that the temperature of your water heater is set incorrectly, call a plumber who can quickly verify the setting with a special thermometer and make the necessary adjustments. A specialist will be able to examine the hot water tank for sediment build-up and calcification if you have tried increasing the temperature of the water tank but have not observed any change in the temperature. If you hear hissing or sizzling sounds, that may also mean sediment has accumulated in the tank. A specialist can drain the tank, remove any built-up scale, and then soak the components to resolve the issue.How to Measure the Temperature of Your Tap Water


A minimum of two hours should pass before testing your hot water. This step can be skipped if you have a tankless water heater.

Wait at least three minutes before turning off the hot water. Use a meat, water, or candid thermometer to measure the temperature.


The water heater’s thermostat should be adjusted. Up until the appropriate temperature is reached, repeat steps two and three.

If the water temperature hasn’t changed after a full day, repeat the test. A tankless water heater allows you to omit this step.

The water heater’s temperature dial should be marked with a permanent marker once you’ve reached the desired temperature.


What advantages do I get if I lower the temperature on my water heater?

If the temperature on your water heater is 140 degrees, it could be worthwhile to try a lower setting. Here are a few causes for this:Lowers the risk of scaling

The risk of scorching is lower for most adults. We have an innate understanding that we should check the water’s temperature in the shower or tub before entering. Scalding, however, presents a significantly greater risk to small children, old people, and babies. Scalding poses a major risk to young children, especially those under the age of 3. Youngsters frequently lack the knowledge to check the temperature of the water before jumping in. The ability of older persons to perceive temperature at a distance may be limited by situations. You should lower the water temperature if you have kids or elderly people living in your house for their occupational safety.Conserves energy

You’ll save more money if you lower your water heater by one degree at a time. Energy is required to heat water and keep it warm over time. Your monthly utility cost will be reduced the lower the temperature your water heater is set to. If you want to save money in your home, try lowering the water heater’s temperature a little to see if you even feel the change. Even small savings can pile up over time because the average American home’s water heater contributes for 20% of the entire electricity cost.Ideal for little families


Your home will actually have more hot water to use on busy mornings if your water heater is set at a higher temperature. This is due to the fact that hot water is blended with cold tap water before it arrives at the faucet. The supply can be stretched longer by the hotter hot water since less of it is required to mix with the cold water. Small families of two to three people, though, probably won’t be impacted by this. Probably a better choice would be to lower the temperature and spend less money. You can see that the response to the query “Is my water heater too hot?” is frequently “It depends.” We advise speaking with one of our skilled plumbers if you have any concerns regarding the temperature setting on your water heater. They can offer you specialized advice while taking into account your home.

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