Readers ask: What Temperature Should I Set My Water Heater To?

Is 140 too hot for water heater?

The Occupational Safety & Health Administration (OSHA) recommends water heaters be set to at least 140 degrees Fahrenheit (60 degrees Celsius) to minimize the growth of Legionella and other microorganisms.

What should my hot water tank thermostat be set at?

The short answer: 120 degrees Fahrenheit. This is the preset thermostat temperature in most new water heaters, and it’s the recommended setting of the U.S. Department of Energy. At this temperature, harmful pathogens like the kind that cause Legionnaires’ disease are prevented from multiplying and may be killed.

Is 130 too hot for water heater?

Professionals recommend keeping your water heater set at a temperature between 130 and 140 degrees Fahrenheit. Any higher, or lower, could actually be dangerous for you and your family. While turning the temperature up higher can result in burns, turning it lower than the recommended setting can also be dangerous.

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What is the most economical temperature to set your water heater at?

Determine the Best Temperature for Your Water Heater The standard temperature for most water heaters is 140 degrees F, but the Department of EnergyLink opens in a new tab recommends turning down the temperature to 120 degrees to save energy.

Is 150 too hot for water heater?

The recommended setting for household water heaters is not 150 degrees, but slightly less _ 140 degrees. Water temperatures higher than 140 degrees can burn the skin and are particularly dangerous for young children and the elderly. People with poor circulation can scald themselves without knowing it.

Can 140 degrees burn you?

Most adults will suffer third-degree burns if exposed to 150 degree water for two seconds. Burns will also occur with a six-second exposure to 140 degree water or with a thirty second exposure to 130 degree water. Even if the temperature is 120 degrees, a five minute exposure could result in third-degree burns.

Does turning up water heater make hot water last longer?

Turn up the thermostat on the hot water heater. One of the easiest ways to make a hot shower last longer is by using less hot water while it’s at a higher temperature. To do this, turn up the temperature on the thermostat that’s attached to the hot water heater tank. Be conscious of other hot water in your home.

Does turning down water heater save money?

Turning down the temperature 10 degrees Fahrenheit on your hot water heater saves 3 to 5 per cent on energy costs, so a drop from 140 F to 120 F saves you 6 to 10 per cent. Annual energy costs for a hot water heater vary from $100 to $200, so this simple change could save you anywhere from $6 to $20 per year.

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What temperature should I set my hot water heater ABC?

Know the Ideal Setting: The best setting for gas water heaters is around 115 to 120 degrees Fahrenheit. Oftentimes, water heaters will have additional options to either lower or increase the temperature of the water inside. In the case of the video’s water heater, A, B and C each have an increase of about 10 degrees. 6

Is 135 too hot for water heater?

The American Society of Sanitary Engineering recommends that hot water tanks be set from 135 to 140 degrees, to inhibit the growth of Legionella bacteria, with the installation of anti-scald devices and tempering valves to prevent hot water injuries.

Is 125 degrees to hot for water heater?

What’s a safe temperature for water? On the side of most water heaters, you’ll find a warning that says water temperatures of 125 degrees Fahrenheit can cause burns or death. To be safe, the water coming out of the plumbing fixtures in a home shouldn’t be any hotter than 120 degrees.

Should both thermostats on water heater be set the same?

The majority of electric water heaters have two thermostats: an upper and a lower, located under two control panels. To ensure your electric water heater works as efficiently as possible, you should set both of the thermostats at the same temperature.

Should I set my water heater to AB or C?

While you may think water heaters have a standard recommended temperature, it’s not that simple. The Department of Energy recommends setting your water heater to 120°F (49°C) to save money on hot water, whereas the Consumer Product Safety Commission recommends the same temperature in order to prevent scalding.

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What is the maximum temperature for a hot water heater?

A new water heater is typically preset to a maximum temperature of 140 degrees Fahrenheit. Some say that’s the ideal temperature, while others argue that it’s better to reduce the maximum temperature to 120.

Why is my water temp high?

Reasons the Temperature Gauge Reads High If the temperature gauge reads high, it could mean your engine is overheating. Another reason your reading might be high is you could be losing coolant. A small leak or evaporation may cause your radiator to slowly lose coolant.

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