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What Temp Should Water Heater Be Set At
What Temp Should Water Heater Be Set At. If it’s already at 140 or higher, turn it down to 120 degrees and see if you notice a difference in the amount of hot water available. Any setting below 120 degrees increases bacteria growth inside the tank.

Maintaining a safe water temperature. To prevent harmful bacteria from growing, the water in hot water heaters needs to be stored at a temperature higher than 60°c. Risks of setting your unit temperature too high:
Maintaining A Safe Water Temperature.
The standard temperature for most water heaters is 140 degrees f, but the department of energy recommends turning down the temperature to 120 degrees to save energy. From another point of view, lower temperatures are better for households with small children. The 140 degree setting is more for a commercial application and not for home showers.
Professionals Recommend Keeping Your Water Heater Set At A Temperature Between 130 And 140 Degrees Fahrenheit.
Here’s a comparison of the different ideal water heater temperature settings and their pros and cons: Damage to your water heater over time. Typically, when you install a new water heater, it will be set to 140°f.
The Good News Is, You Can Save Between 4% To 22% Of Your Yearly Energy Bill If You Lower Your Temperature.
You should set your water heater temperature between 120 degrees to 140 degrees fahrenheit. Any higher or lower than this could be dangerous. Water heaters are factory set at osha recommended levels, around 140 degrees.
Risks Of Setting Your Unit Temperature Too High:
According to osha, this is the standard that all water heaters should be kept at to avoid the buildup of legionella bacteria in the water tank. It will also reduce overall energy and power consumption. To prevent harmful bacteria from growing, the water in hot water heaters needs to be stored at a temperature higher than 60°c.
If It’s Higher, Turn It Down To 110 Or 100 And See If You Notice A Difference.
Therefore, recommended setting for your water heater is at 140 degrees fahrenheit or 60 degrees celsius to stop the growth of such microorganisms. 140 degrees is too high for your home tankless water heater. Taking into account all of the benefits of setting your heater at 120 degrees, it may be difficult to see any reason to go for 140.
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