What Temperature Should I Set My Water Heater At? - Plumbing-United
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What Temperature Should I Set My Water Heater At?

December 29, 2023 Author: Bekhruz Nagzibekov

However, the temperature setting on your water heater may need occasional adjustment to meet your changing needs, improve energy efficiency, or ensure safety. In this guide, we’ll walk you through the steps to quickly and safely adjust your water heater temperature.

Why Adjust the Water Heater Temperature:

Energy Efficiency:

Lowering the temperature can help reduce energy consumption, ultimately saving you money on utility bills. Rejecting additional pre-set degrees can reduce your water bills by a whopping $200 per year! Read more from Energy.gov.


Setting the temperature too high can pose scalding risks, especially for children and the elderly. A higher temperature may also increase a  mineral buildup in the tank, reducing the efficiency of the heater over time. 

Why Adjust the Water Heater Temperature


Adjusting the temperature allows you to find the right balance between comfort and energy savings.

Steps to Adjust Water Heater Temperature:

Safety Tips:

Avoid Setting Too High:

Keep the temperature below 140°F to prevent scalding.

Consider a Thermostatic Mixing Valve: 

Installing a mixing valve at the water heater outlet can help maintain a consistent and safe hot water temperature throughout your home.

Check the Manufacturer’s Guidelines:

Refer to your water heater’s manual for specific instructions and safety guidelines.

Adjusting your water heater temperature is a simple yet impactful way to enhance energy efficiency, safety, and comfort in your home. By following these steps and keeping safety precautions in mind, you can quickly and safely optimize your water heater for your specific needs. Regularly monitoring and adjusting the temperature will ensure that your water heater operates efficiently, providing hot water when you need it while minimizing energy costs and safety risks.

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