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Typically, most people set their water heater temperature at 130-140° Fahrenheit, but the Consumer Product Safety Commission recommends setting your water heater to 120° F to save energy and prevent scalding.
The recommended temperature setting for your hot water heater depends on the intended use of the hot water. For most households, a temperature of 120 degrees Fahrenheit (49 degrees Celsius) is recommended.
The optimal water heater temperature setting generally falls between 120°F (49°C) and 140°F (60°C), with 120°F recommended for households with young children or elderly residents and up to 140°F for homes with older adults or those at higher risk of Legionella bacteria.
It’s generally agreed that 120 degrees Fahrenheit is the maximum safe hot water temperature that should be delivered from a fixture. Therefore hot water above 120 degrees Fahrenheit can be considered hazardous. Model codes address this in various code sections. The 2009 edition of the International Plumbing Code has the following language:
The EPA recommends 120 degrees because it’s hot enough to keep diseases at bay but not hot enough to cause scalding. This setting will also supply enough hot water for most small families and is relatively energy efficient. However, the best setting for you could vary based on a few factors.
If you're looking for a short answer, it's 120 degrees Fahrenheit (about 49 degrees Celsius). Many water heaters are set to 140 degrees F per factory specifications, but lowering the...
The temperature setting on your water heater plays a critical role in ensuring a safe and healthy water supply. By understanding the impact of temperature on bacterial growth and the risks associated with extreme settings, you can make informed decisions to protect yourself and your family.
General Recommended Water Heater Temperature. If you go to the Environmental Protection Agency, you’ll receive a recommended water temperature of 120 degrees Fahrenheit. At that temperature, your water is not hot enough to cause scalding, most small families will get all the hot water they need, and reheating won’t require excessive amounts ...
In general, you should set your hot water heater's temperature to at least 120 degrees Fahrenheit. The U.S. Consumer Product Safety Commission (CPSC) and the Department of Energy (DOE) recommend 120 degrees Fahrenheit to prevent scalding and conserve energy, while the World Health Organization (WHO) recommends 140 degrees to kill Legionella ...
The recommendation from the U.S. Environmental Protection Agency is to set the temperature of your residential water heater at 120 degrees Fahrenheit. Bacteria are less likely to survive at that temperature, and it is not hot enough to cause scalding.