If you need help adjusting your water heater or troubleshooting any problems , call your local Mr. Rooter Plumbing at (855) 982-2028, or request an estimate online. For instance, the water heater settings abc is the most common setting which you can check on your water heater. Resist deposition of mineral Hard water buildup mineral … If it doesn't reach 120 F, you should increase the temperature on the water heater. OSHA has a different hot water temperature recommendation. Homes with occupants that have a suppressed immune system or respiratory disease should keep the hot water set to 140 degrees. Your water heater may also have a setting that says “pilot.” Turn off the gas to the water heater. Ensuring your hot water heater is set to the proper temperature will not only help reduce your monthly energy bill, but you’ll also extend the life of the unit.. A simple test inside your home will help you decide if you should check the unit’s temperature. Other temperature settings, hot and very hot, each stands for 120 degrees and 160 degrees. However, the best setting for you could vary based on a few factors. If you have a house, you probably have some sort of hot water heater. You can find your current temperature setting by looking at the dial on the water heater (if equipped) or taking a temperature reading from the faucet. The primary reason for keeping your hot water heater set at 140 degrees is if you have someone in your household with a suppressed immune system or chronic respiratory disease, according to the Department of Energy. Changing your hot water heater temperature is easy. Is Lavish Toilet Paper Harming Your Plumbing? All Mr. Rooter Plumbing Franchise Locations Are Independently Owned And Operated. If 120-degree water is too hot for you to use, try setting the thermostat at 110 degrees. For cooler water heaters, people will need more hot water and less cold water to reach their target. If you drop the temperature down to 120 degrees Fahrenheit, energy experts claim that you could potentially save hundreds of dollars in a lower energy consumption. This way it leads to emit fewer greenhouse gases, which helps us to save our environment. However, a lower temperature does mean you will run out of hot water more quickly. Perhaps your hot water isn’t hot enough no matter what setting your water heater is on. Click here for our precautionary measures. The recommendation from the U.S. Environmental Protection Agency is to set the temperature of your residential water heater at 120 degrees Fahrenheit. Having said that, if you don’t live with anyone who fits into the categories above, 120 degrees Fahrenheit is probably the best temperature setting for your hot water heater. Recommended Temperature Settings. The arguments for 120°F temperature setting: If we set the water heater temperature at 120°F, we may get the following advantages as advice by the American Society of Sanitary Engineering – Helps to cut down bills. If you want to save money, every 10 degrees you turn down the water tank thermometer, you save 3 to 5 percent on your energy bill. This story was originally published on 11/15/13 and was updated on 10/22/19 to provide more thorough and current information. 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Their biggest argument, though—being the Department of Energy and all—is that setting your hot water heater to 120 degrees instead of 140 degrees can save you energy, and therefore money: Savings resulting from turning down your water heater temperature are based on two components: reduced standby losses (heat lost from water heater into surrounding basement area); and consumption (from water demand or use in your home). Set too high, or at 140ºF, your water heater can waste anywhere from $36 to $61 annually in standby heat losses and more than $400 in demand losses. Based on the Department of Energy in US, the best temperature setting which you should choose is at 120 degrees. The water heater in your home is the second largest use of energy, making up roughly 18 percent of your energy bill each month. 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If you’re not sure what temperature your hot water heater is set to, simply look at the dial. Similarly, the U.S. Occupational Safety and Health Administration (OSHA) recommends the 140-degree setting for preventing Legionnaires’ disease. Repeat until you get 120-degree F water. Fill a glass and check the hot temperature. While most water heater thermostats can be set at 150 degrees, or higher, manufacturers post warnings that settings over 125 degrees can scald the skin. On the other hand, the EPA suggests turning the thermostat down to 120 to reduce power consumption, and a booster heater to reach sanitizing temperatures at select outlets. Again, if you want a safe setting, you should choose a setting which has temperature at 120 degrees. However, before adjusting your hot water heater temperature, you should read our article : Hot Water Temperature: The Danger of Setting Your Water Heater Too Hot because if it’s set too high, it can cause severe burns. Turn the thermostat knob to off. Your water heater accounts for about 18 percent of your home’s energy bill. When in doubt—or if there are any additional issues—call in a professional. Here, this temperature level is … This keeps your water at 140 degrees in the tank but mixes it with cold water to lower the temp to 120 degrees before it reaches the tap. To do this, turn the hot water all the way up, allow it to run for a few minutes, and then take the water’s temperature. The World Health Organization suggests setting your water heater at 140 degrees Fahrenheit for optimum safety. According to the U.S. Department of Energy, for each 10 degree reduction in water temperature, you … Although manufacturer's usually set water heaters at 140 degrees F, you can reduce your carbon footprint and save money by adjusting your water heater thermostat. This means that those who set their water temperature lower will also tend to run out of hot water faster. Although manufacturer’s usually set water heaters at 140 degrees F, you can reduce your carbon footprint and save money by adjusting your water heater thermostat. Having said that, if you don’t live with anyone who fits into the categories above, 120 degrees Fahrenheit is probably the best temperature setting for your hot water heater. The standard temperature for many water heaters is 140 degrees Fahrenheit. 7 Steps for How to Set Water Heater Temperature. Consequently, the minimum water heater outlet temperature in residential systems should be set at 54C to produce a tap temperature of at least 49C. Water heaters are set from the factory to heat water to a maximum of 120 degrees Fahrenheit. Leave it in the water until the thermometer stops increasing. This system slowly circulates hot water in the pipes to prevent it from cooling down before it reaches the tap. Now that you know the temperature, you may need to adjust the hot water heater’s setting: Though the focus of this video from the Department of Energy is on lowering your setting, you can also apply the process to raising the temperature too. A water heater should not be set beyond 125 degrees Fahrenheit. Thankfully, there’s a setup that addresses both of these concerns. Like most things, it depends on your household’s needs, including whether any children or elderly people are living with you, and whether anyone has a compromised immune system. Is there any tip for maintaining a water heater? On the flip side, if your water heater is set too low your water may not get hot enough (short showers), or worse, be at risk of growing bacteria. The question then is, what temperature should a hot water heater be set at? Set the temperature of the water reservoir (hot water heater) to 140°F but deliver the water at 120°F by way of a mixing valve. 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