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Posted: September 21, 2026
Many water heaters may be set to around 140°F, which can be hotter than necessary for everyday household use.
Wilson Oil & Propane explains why water heater temperature matters and what you should consider before making an adjustment.
Water heater temperature affects both comfort and safety. If the setting is too high, hot water can cause serious burns, with young children and older adults being especially vulnerable. Higher temperatures can also increase energy use and contribute to higher utility bills.
At the same time, you don’t want your water heater set too low. Temperatures that are too low may not provide enough hot water for your household and can allow certain bacteria to grow under some conditions.
So, what temperature should you choose?
A commonly recommended setting for many households is 120°F. This temperature can provide plenty of hot water for everyday needs while helping reduce the risk of scalding and unnecessary energy use.
However, the right temperature can vary depending on your household, water-heating system, and health considerations. Some homes may require a higher storage temperature along with appropriate mixing or anti-scald controls.
If someone in your household is immunocompromised or has other health concerns, talk with a qualified professional about the safest water heater setting for your situation rather than adjusting it on your own.
If you need your water heater’s temperature adjusted and aren’t comfortable working with the equipment, we recommend calling the technicians at Wilson Oil & Propane.
Water heaters may involve electrical components, gas or oil-fired burners, and very hot water, so professional service can help ensure that adjustments are made safely and correctly.
Our team will be happy to help you find an appropriate setting while making sure your water heater is operating properly.
Keeping your water heater at an appropriate temperature is just one way to improve energy efficiency.
If you’re looking to reduce water-heating energy use, you can also:
Homeowners here in Delaware County can count on Wilson Oil & Propane for reliable water heater installations.
We offer a range of water heater options, including indirect-fired units, direct-fired tanks, and innovative propane tankless water heater systems.
Wilson Oil & Propane understands that hot water demands differ from home to home. That’s why one of our water heater equipment experts will work with you to find equipment that fits your household’s specific needs.
All of the water heaters that Wilson Oil & Propane installs are covered by a manufacturer’s warranty, and we stand behind our work with a commitment to customer satisfaction.
Contact Wilson Oil & Propane today to learn more about the water heater installations and services we offer throughout the Delaware Valley, including Media, Wallingford, Swarthmore, Springfield, Broomall, and Newtown Square.
