120 degrees Fahrenheit is the safety recommendation against scalding, but 140° is the common default setting. Most experts agree that anything below 120 degrees creates a risk for bacteria to develop inside your water heater from stagnant water, such as legionella that causes Legionnaire’s disease.

What is the minimum temperature for hot water?

The minimum temperature of hot water to prevent Legionella bacteria growth – The minimum temperature to prevent Legionella Bacteria growth is 122°F. Above 122°F and up to 131°F, Legionella bacteria survives, but will not multiply.

Is 115 too low for water heater?





Raising Your Water Heater Temperature
Anyone can be burned from hot water, but children, the elderly and people with sensitive skin are most vulnerable. For these populations, it’s recommended to keep the water heater temperature at 120 to 125 degrees.

What is the maximum temperature that the water heater should be set at so as not to scale?

120 Degrees is the recommended max temperature for water heaters, according to both the American Society of Sanitary Engineering and the US Department of Energy. Firstly, setting the max temperature to 120 degrees prevents the water from scalding your skin.

Is 140 degrees to 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.

Is 50 degrees hot enough for hot water?

The answer is: More than 46, but less than 70 degrees Celsius. Why? Because a hot water temperature over 46° (ideally 60+) should ensure legionella bacteria – the cause of Legionnaires’ Disease – do not survive,.

Does lowering water heater temperature save money?





Cost Savings
The U.S. Environmental Protection Agency reports that turning the temperature on your hot water heater down to 120 degrees saves 6 to 10 percent each year on your hot water heating costs. That means a family spending $415 each year could save $25 to $42 per year by lowering the temperature to 120 degrees.

Is 110 a good water heater temperature?

Going too low creates the risk of bacteria growing in your pipes or water heater, but going too high leads to the danger of burning. To avoid either extreme, you’ll want to find a happy medium. We recommend always keeping the heater set between 110 and 120 degrees.

What temperature should household water be set at?

The ideal temperature for domestic hot water is 120 degrees Fahrenheit, or 49 degrees Celsius, to avoid the possibility of scalding. Furthermore, if the water heater is set at too high a temperature, it can result in unnecessarily more expensive energy bills from the running water emerging from shower systems and taps.

Can 55 degree water burn?

At 60°C, it takes one second for hot water to cause third-degree burns. At 55°C, it takes 10 seconds for hot water to cause third-degree burns.

What is the ideal water temperature for a shower?



There is no absolute rule for how hot a shower should be, but most dermatologists recommend keeping the temperature at an average of 98°F (37°C) to 101°F (38.3°C) or no more than 105 °F (41°C).

How often should you shower?

two to three times a week

Many doctors say a daily shower is fine for most people. (More than that could start to cause skin problems.) But for many people, two to three times a week is enough and may be even better to maintain good health. It depends in part on your lifestyle.

Is cold shower good for you?



Researchers have found that taking icy showers may heighten your immune system and make you more resistant to illness. A clinical trial in the Netherlands found that cold showers led to a 29% reduction in people calling off sick from work. Another study even connected cold showers to improved cancer survival.

Why do females like hotter showers?

As beings significantly colder in their skin, women derive comfort from a nice warm shower which leads therefore to the very veritable assertion that the female preference for hotter showers is driven also by their desire for comfort.

Is cold water good for your balls?

The scrotum hangs outside the body in order to keep the testicles at an optimal temperature to produce sperm and other hormones, around 95 to 98.6°F or 35 to 37°C. The idea is that cold showers lower the scrotal temperature, allowing the testicles to produce a maximum amount of sperm and testosterone.