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What Temperature Should My Water Heater Be Set At?

By default, many water heater manufacturers set the temperature on the thermostat at 140 Fahrenheit. For most households, this is simply too high. One rule of thumb: if you can’t hold your hand under the tap with the water on it’s hottest setting, the water heater is turned up too high, and your wasting energy. In addition, setting the temperature too high increasing the risk of scalding, of particular concern if there are young children or elderly residents in the home.

Setting the water heater to 120 Fahrenheit work well in most cases. Turning the temperature down 20 degrees saves 6 to 10 percent on energy costs. If you’re finding that 120 F is leaving you wishing the water was hotter, gradually adjust the setting upward until a comfortable setting is achieved.

Have questions abut your water heater? Call ABC Southwest Plumbing & Air Conditioning, we can help.

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