Which means, the choice is hot setting. 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). 120 degrees is more than adequate for household chores, and especially for showers and baths. This way it leads to emit fewer greenhouse gases, which helps us to save our environment. The Best Temperature Range for Your Water Heater The best temperature setting for your water heater is 120 degrees based on the Environmental Protection Agency (EPA) recommendations, not only to limit power consumption to prevent the development of certain diseases, like Legionnaires’ disease. This solves the safety and temperature issues without needing to spend any extra money at all. 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. But there’s no universal temperature for “hot” water—this is something you have to set yourself. First, adjust the thermostat setting to lower the water temperature if the thermostat is set above 130 degrees. For … However, many home owners don't know what the standard temperatures are and set the thermostat on their water heater too high! If we set temperature of water heater at 120°F, it will burn less gas or fuel or consume less electricity. If it doesn't reach 120 F, you should increase the temperature on the water heater. Ok, maybe I'm missing something here, but wouldn't you just set the heat of your water heater to a higher level and then use the cold and hot knobs at each sink/tub to set the ideal temperature? If you’re worried about pathogens in your hot water, and are worried about scalding water, consider a hot water tank booster. If 120-degree water is too hot for you to use, try setting the thermostat at 110 degrees. The recommendation from the U.S. Environmental Protection Agency is to set the temperature of your residential water heater at 120 degrees Fahrenheit. Run hot water at the tap closest to the water heater for at least three minutes. If it still comes out hot then that means that it is faulty and needs to be replaced. 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. A hot water setting of 60C in hotels, hospitals and other large public buildings can control Legionnaires' disease. Avoiding Burns for Vulnerable People Whether you have a gas or electric water heater, the default temperature set from the factory will be between 120ºF to 140ºF. However, the best setting for you could vary based on a few factors. The temperature control for the indirect water heater will be an aquastat, usually mounted right on the indirect water heater tank (where it can sense the hot water temperature in the hot water tank. 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 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. The EPA recommends 120 degrees because it’s hot enough to keep diseases at bay, it’s not hot enough to cause scalding, it will supply enough hot water for most small families and is relatively energy-efficient. Find the dial or thermostat for your water heater. A water heater should not be set beyond 125 degrees Fahrenheit. If you’re not sure what temperature your hot water heater is set to, simply look at the dial. Turn the thermostat knob to off. I have to admit I set our old apartment water heater more in the 140°F range because I grew up enjoying really hot baths, and always practice the steady hand art of incrementally increasing the water’s temp with tiny adjustments throughout my shower or bath. The 140 degree setting is more for a commercial application and not for home showers. 7 Steps for How to Set Water Heater Temperature. Is there any tip for maintaining a water heater? It it’s set too low, you can have some legionnaires disease developing in the water heater. OSHA has a different hot water temperature recommendation. Don’t set your water heater to anything below 120 degrees, as diseases can develop in the stagnant water inside the water heater, particularly Legionella, which is quite dangerous. Here, this temperature level is … In our photo yellow text label identies the aquastat / limit control mounted right on the indirect water heater … This means that those who set their water temperature lower will also tend to run out of hot water faster. Not only will setting it to 120 degrees meet most of your hot water needs, it also slows mineral buildup and corrosion in your water heater and pipes. Water, Sanitation Key Steps to World Health, Mr. Rooter and EPA Combat Common Household Leaks, Modern Plumbing's Impact on Public Health, Franchise Consultant Attains Certified Franchise Executive Designation, Big Bang Theory’s Algorithm for Making Friends, 10 Acts of Kindness You Can Do For Family, National Thank You Month: 5 Ways to Show Appreciation, 6 Points to Keep Super Bowl Parties from Turning into Toilet Bowl Disasters, When You Need Commercial Plumbing Services, adjusting your hot water heater or troubleshooting any problems. 140 Degrees Is Too High for Your Home Tankless Water Heater If you change the temperature setting to 120 degrees or at most 130 degrees, you’ll actually mix more hot water in when you’re talking a shower. 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. 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. For cooler water heaters, people will need more hot water and less cold water to reach their target. Plus, it provides instructions for both electric and gas hot water heaters. If the water is above 120 degrees, adjust the dial, wait about three hours and check again. Homeowners with a dishwasher that does not pre-heat the water may want to set their water heater to 140 degrees. If you are ready to adjust the temperature for your water heater, follow these steps. Here’s what you need to know. 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. Again, if you want a safe setting, you should choose a setting which has temperature at 120 degrees. If 120-degree water is too hot for you to use, try setting the thermostat at 110 degrees. Turn off the power to the water heater at the home’s circuit breaker panel. This information is not intended as an offer to sell, or the solicitation of an offer to buy, a franchise. Fill a glass and check the hot temperature. Water heater manufacturers recommend that installers set thermostats at 120 - 125 F, and most of them ship the water heaters at an even lower temperature setting. Water heaters are set from the factory to heat water to a maximum of 120 degrees Fahrenheit. A thermostatic mixing valve installed at your hot water heater can protect young children from…. Elderly homeowners or those with small children may want to keep the temperature at 120 degrees. 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. 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