What is the Perfect Carrollton Water Heater Temperature

Posted by on Sep 30, 2014 in Water Heater Repair Carrollton TX

There are different views on exactly what is the very best temperature level at which to set ones water heater. Water Heater Repair Carrollton will be sharing some of the different views with specific evidence from those sources in order for one to make his or her own choice on the topic.

First off, the default setting most water heater producers have their tanks set at is 140 degrees. If you have never checked this already on your Carrollton water heater, that might be the temperature it is set. Likewise, it can be difficult to understand for sure exactly what the temperature setting is due to the fact that often times the temperature level dial does not have actual degrees printed on it, simply warm, hot, really hot … something to that effect. Some people feel they are pre-set at a high temperature level so it feels outstanding to have a lot of hot water – type of like attempting to produce excellent brand awareness in consumers.

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 between $6 to $20 a year in many cases.

Let’s begin with the most likely the most renowned source, the U.S. Department of Energy. They suggest a setting of 120 degrees. The link to their website above provides lots of excellent details on the best ways to minimize ones hot water consumption and costs. It is definitely worth a read.

Now for the health dangers of too low of a temperature level setting. It can be concluded that Legionella bacteria has the ideal development range between 68 to 122 degrees. It is thought that 25 percent of all water heaters have differing levels of Legionella bacteria contamination.

Legionella bacteria causes a form of pneumonia and is passed to humans when one inhales water contaminated with the bacteria – generally in showers, whirlpool baths and even air conditioning systems. Consuming the water is usually ok. It is a concern with having the bacteria get in ones lungs.

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

According to OSHA, “At low levels of contamination, the chance of getting Legionnaires’ disease from a water source is very slight. The problem arises when high concentrations of the organism grow in water systems. Water heaters, cooling towers, and warm, stagnant water can provide ideal conditions for the growth of the organism.”  (read more)

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


So choose if there are any issues of individuals burning themselves if the water temperature is too hot. Also, be conscious 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 many the time with the average home’s hot water use, it could be a good option to keep the temperature level above 120 degrees just for the wellness related advantages; nevertheless, Hot Water Heater Repair Carrollton TX will let you make the call.

The following infographic summarizes this conversation:

Water Heater Repair Carrollton