Tank Water HeaterMaintenance2025-09-06
Safe Water Heater Temperature Setting
120°F (49°C) balances scald safety, bacteria control and efficiency for most homes.
Setting your water heater temperature correctly protects against scalds and bacteria while saving energy.
The recommended setting
Around 120°F (49°C) is widely recommended — hot enough to limit bacteria like Legionella and meet household needs, while reducing scald risk and standby energy loss.
Considerations
Homes with immune-compromised residents may need higher storage temperatures with anti-scald mixing valves at the taps. We can advise and fit mixing valves.
Key takeaways
- 120°F (49°C) suits most homes
- Lower temperatures save energy but watch bacteria
- Use mixing valves if storing hotter
- Test taps after adjusting
Need help with your tank water heater?
Licensed, gas-certified technicians serving Greater Vancouver since 1999. CombiBoiler.ca — A division of ROMA Heating Ltd..
Frequently asked questions
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