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. However, a lower temperature does mean you will run out of hot water more quickly. If it doesn't reach 120 F, you should increase the temperature on the water heater. 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. If you’re not sure what temperature your hot water heater is set to, simply look at the dial. Your hot water isn't the only thing that needs to be "just right." 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. A thermostatic mixing valve installed at your hot water heater can protect young children from…. Again, if you want a safe setting, you should choose a setting which has temperature at 120 degrees. If the water is above 120 degrees, adjust the dial, wait about three hours and check again. 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. Mr. Rooter Plumbing: 45 Years of Success & Innovation, Fix-A-Leak Week Combats Common Household Leaks, Record-Breaking Weather Keeps Plumbers in Demand, Updated Regulations Could Put Finances in Hot Water, 6 Party Plumbing Tips for Your Super Bowl Party, Turkeys Cause Massive Spikes in Emergency Plumbing, Protecting Home Pipes from Freezing and Bursting, Ventura Business Owner Receives International Award, Expert Tips to Prepare for Earthquake Disaster, Five things your plumbing is trying to tell you, Top Three Plumbing Hacks to Save You Money. The 120-degree setting is standard. 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. Perhaps your hot water isn’t hot enough no matter what setting your water heater is on. 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. 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. Similarly, the U.S. Occupational Safety and Health Administration (OSHA) recommends the 140-degree setting for preventing Legionnaires’ disease. Set it at 120 degrees and increase the temperature in small increments until you find the perfect shower temperature. According to. The location of the dial will vary depending on the model and type of water heater. But finding that setting on the water heater temperature setting dial isn’t easy, because most dials aren’t labeled with numbers. A higher temperature on your water heater can also increase your electric bill and or gas bill. Turn on the hot water tap and allow it to run for a few minutes before taking the temperature. Which means, the choice is hot setting. However, there is less danger of bacterial growth in smaller domestic hot water tanks. 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. The U.S. Department of Energy recommends the 120 degree-mark for both maintenance and savings purposes. This system slowly circulates hot water in the pipes to prevent it from cooling down before it reaches the tap. This information is not intended as an offer to sell, or the solicitation of an offer to buy, a franchise. Collect some of the water in a cup and measure the water temperature using your thermometer. Most experts recommend that hot water temperature should not exceed 125° F (51.66° C). 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. If 120-degree water is too hot for you to use, try setting the thermostat at 110 degrees. Your water heater accounts for about 18 percent of your home’s energy bill. 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. Water heaters are factory set at OSHA recommended levels, around 140 degrees. Avoiding Burns for Vulnerable People Leave it in the water until the thermometer stops increasing. You could set your water heater to 140 degrees Fahrenheit to keep bacteria out of the picture. This story was originally published on 11/15/13 and was updated on 10/22/19 to provide more thorough and current information. 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. The World Health Organization suggests setting your water heater at 140 degrees Fahrenheit for optimum safety. Click here for our precautionary measures. 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. The U.S. Department of Energy recommends setting a tank-based hot water heater to 120 degrees Fahrenheit. You’ll find the valve on the gas line entering the water heater Well, the EPA recommends a hot temperature setting of 120-degrees F for both safety and energy-saving purposes. Homeowners with a dishwasher that does not pre-heat the water may want to set their water heater to 140 degrees. It is estimated that the average water heater temperature is set to 130ºF in the United States.130ºF IS THE BEST TEMPERATURE TO SET YOUR WATER HEATER as it will reduce the risk of scalding while showering but also be hot enough to meet your dishwasher and … 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. In general, many who live alone aim for a lower temperature in the acceptable range since demand for hot water is less and it saves money. To reduce the risk of burns from hot tap water, the temperature setting on the water heater can be turned down. 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. 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 perfect air temperature with help from Aire Serv, a Neighborly company. Whether you have a gas or electric water heater, the default temperature set from the factory will be between 120ºF to 140ºF. Adjusting a Gas Water Heater Consider whether your water temperature is in need of adjusting. 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. A hot water setting of 60C in hotels, hospitals and other large public buildings can control Legionnaires' disease. These factors are not affected by the kind of plumbing you have (PEX, PVC or copper), how the water is heated (gas or electric) or even if you a tankless hot 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. As an additional safety measure, turn the gas off completely. 160 degrees fahrenheit temperature setting would be considered a HOT setting. Next, check the thermostats. Still undecided? Resist deposition of mineral Hard water buildup mineral … The recommendation from the U.S. Environmental Protection Agency is to set the temperature of your residential water heater at 120 degrees Fahrenheit. OSHA has a different hot water temperature recommendation. Technically, a gas heater uses a thermocouple which uses voltage to heat the water so it works slightly differently. This is our first experience with a tankless system - so far very happy with it. A water heater should not be set beyond 125 degrees Fahrenheit. With proper maintenance and care, your water heater will last for years. Why is following this temperature standard important? 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. Is Lavish Toilet Paper Harming Your Plumbing? If your water heater is set too high, you will be paying the price in your energy bill each month. Here, this temperature level is … 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. 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. 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. 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