For safe and comfortable water that is also energy-efficient, it’s best to set your water heater at 120 degrees. This temperature setting has a number of different advantages, including: Reduces the risk of scalding.

What is the most efficient temperature for a hot water heater?

120 degrees





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.

How can I make my water heater more energy efficient?

7 Ways to Make Your Hot Water Heater More Energy Efficient

  1. Turn Down Your Thermostat. …
  2. Invest in a Tankless Water Heater. …
  3. Make Sure You’re Using the Right-Sized Water Heater. …
  4. Keep an Eye on Your Tank’s Sediment. …
  5. Insulate Your Water Tank and Pipes. …
  6. Install in a Volt Timer. …
  7. Use Less Hot Water.


Which water heater thermostat should be set higher?

Quote from the video:
Quote from Youtube video: To setting it to the 120 degrees Fahrenheit. Most local plumbing codes say that water heaters should not be set higher than 120 degrees to avoid the risk of scalding.

What setting should I put my water heater on?





The Department of Energy recommends setting your heater to 120 degrees Fahrenheit. That should be plenty hot enough for most uses in your home.

Does lowering water heater temperature save money?

Homeowners will find that by turning down their hot water tank temperature by about 20 degrees to 120 Fahrenheit or 48 Celsius, they will see cost savings of about 6 to 10 percent.

How do I adjust my hot water heater?

Quote from the video:
Quote from Youtube video: Find the knob on the valve. And set the temperature between 115. And 120 degrees this lowered setting will protect the tank from overheating.

Does turning up water heater make hot water last longer?

Turning up the water heater temperature makes hot water last longer as the desired temperature is reached by using less hot water and more cold water. The recommended maximum temperature should be 120 °F. Hotter water poses risks to users and the water heater and increases energy bills.

Is 130 too hot for water heater?



Professionals recommend keeping your water heater set at a temperature between 130 and 140 degrees Fahrenheit. Any higher, or lower, could actually be dangerous for you and your family. While turning the temperature up higher can result in burns, turning it lower than the recommended setting can also be dangerous.

What temperature should I set my hot water on demand?

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.

Why is my hot water heater using so much electricity?

Having a water heater that’s too big or too small for your household is one of the main reasons you may be seeing higher energy bills. On average, a 30-gallon tank is sufficient for 2 people, a 40-gallon tank is good for 3-4 people, and a 50-gallon tank suits 4-5 people.

What are the ABC settings on water heater?



In most cases, here’s what each label means:

  • Low (or Warm) = 80-90°
  • Hot (or triangle symbol) = 120°
  • A = 130°
  • B = 140°
  • C = 150°
  • Very Hot = 160°


How can I reduce my hot water usage?

9 Ways to Use Less Hot Water and Save Money

  1. Turn Down the Temperature When You Use Hot Water. …
  2. Take Shorter, Cooler Showers and Use Low-Flow Fixtures. …
  3. Insulate Exposed Pipes. …
  4. Use a Cover for Your Water Tank. …
  5. Have Leaks Repaired Right Away. …
  6. Don’t Leave the Water Running. …
  7. Only Run Your Dishwasher When It’s Completely Full.

What uses the most hot water?

Average Hot Water Usage

Activity Gallons per Use
Clothes Washer 25
Shower 10
Dishwasher 6
Kitchen faucet flow 2 per minute

Should I turn my water heater off at night?



Generally speaking, a gas water heater should not be turned off unless you are leaving the house for an extended period of time. Even then the better choice for gas water heaters is to just turn the temperature down. In fact, many water heaters have a “vacation” setting on the temperature control.

Is it best to leave hot water on constant?

It’s better to leave the hot water heater on all the time, rather than turning it on and off. This is a very common myth. But in fact, you really don’t need to be heating your water all the time. Your immersion heater or boiler will heat up hot water which is stored in a tank.

Is it cheaper to put heating on high for a short time or longer at a lower temperature?

Having the heating on only when you need it is, in the long run, the best way to save energy, and therefore money,” the website explains. “A timer’s best as your thermostat turns your heating on and off to keep your home at the temperature you set.