The Ideal Water Heater Temperature

Posted by on Jan 26, 2014 in Water Heater Repair Des Moines

There are different views on exactly what is the very best temperature at which to set ones water heater. Water Heater Repair Des Moines will be sharing a few of the different views with particular proof from those sources in order for one to make his or her own decision on the subject.Water Heater Repair Des Moines

To begin with, the default setting most water heater manufacturers have their products set at is 140 degrees. If you have actually never examined this already, that could be the temperature it is set. Likewise, it can be tough to understand for sure what the temperature setting is because numerous times the temperature dial does not have actual degrees printed on it, just warm, hot, really hot … something to that end. Some people feel they are pre-set at a higher temperature so it feels remarkable to have a lot of hot water – sort of like attempting to create great brand awareness in customers.

In regards to energy savings, by turning a water heater down from 140 to 120 degrees, it will save in between 6 to 10 percent of total energy used. That equates to in between $6 to $20 a year most of the time.

Let’s begin off with the most likely the most renowned source, the U.S. Department of Energy. They recommend a setting of 120 degrees. The link with their website above gives a great deal of good details on ways to decrease ones hot water consumption and expenses. It is definitely worth a read.

Now for the health risks of too low of a temperature setting. It can be concluded that Legionella bacteria has the optimum development range between 68 to 122 degrees. Treehugger states that “25 percent of all water heaters have differing levels of Legionella bacteria contamination.”

According to The National Center for Biotechnology Information: “There are two opposing risks when it comes to water temperature inside domestic water heaters; exposure to Legionella, the bacteria responsible for Legionnaires’ disease (pulmonary legionellosis), and the risk of scalding.” (read more…)

Legionella bacteria causes a type of pneumonia and is passed to human beings when one breathes in water contaminated with the bacteria – generally in showers, whirlpool baths or even air conditioning systems. Drinking the water is typically ok. It is an issue with having the germs enter ones lungs.

The Centers for Disease Control and Prevention approximates 8,000 to 18,000 Americans contract the condition each year. 5 to 30 percent of the cases are deadly.

According to the Occupational Safety & Health Administration, here are some of the factors that can increase the risk of getting the disease:

  • Organ transplants (kidney, heart, etc.)
  • Age (older persons are more likely to get disease)
  • Heavy smoking
  • Weakened immune system (cancer patients, HIV-infected individuals)
  • Underlying medical problem (respiratory disease, diabetes, cancer, renal dialysis, etc.)
  • Certain drug therapies (corticosteroids)
  • Heavy consumption of alcoholic beverages

Cases to not have the water heater temperature set at 140 degrees would be if there are little youngsters in your house or potentially with elderly individuals too. The danger of being burnt if the faucet was completely on hot water can be too great. Clearly, any individual living in the house that is at risk of contracting Legionella Disease ought to have it set at 140.


So choose if there are any issues of people burning themselves if the water temperature is too hot. Likewise, be aware of any individual who has issues of contracting Legionella Disease. Since the annual expense savings of turning the temperature level down is only about $20 a lot of the time with the average home’s hot water usage, it may be a good option to keep the temperature level above 120 degrees simply for the wellness related advantages; nonetheless, Water Heater Repair Des Moines will let you make the call.

The following 2 videos reveal exactly how to adjust the temperature on both an electric and a gas water heater in case you are unsure ways to do so.

How to Change the Temperature on an Electric Hot Water Heater

How To Change The Temperature On A Gas Water Heater

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