How Seasonal Changes Affect Water Heater Maintenance

April 2, 2025

How Seasonal Changes Affect Water Heater Maintenance

Your water heater works year-round, but seasonal shifts can impact its efficiency and performance. Fluctuating temperatures, increased demand, and sediment buildup make proper water heater maintenance in Plymouth MN, essential. Adjusting your routine to account for seasonal changes ensures a longer lifespan and lower energy costs. Here’s how each season affects your water heater and what you can do to keep it running smoothly. 

1. Winter: Increased Demand and Energy Use 

Cold weather forces your water heater to work harder to maintain hot water. Pipes may freeze, reducing water flow and efficiency. To prevent issues, insulate your water heater and pipes to retain heat and reduce strain on the system.  

2. Spring: Flushing Out Sediment Buildup 

After heavy winter use, sediment and mineral buildup can reduce efficiency. Flushing your water heater in the spring helps remove deposits and improve performance. A clean system heats water faster and consumes less energy.  

3. Summer: Checking for Overheating Issues 

Higher temperatures outside can sometimes lead to overheating issues in your water heater. Excessive heat can cause pressure buildup in the tank, leading to potential leaks. Regularly inspect the pressure relief valve to ensure it’s functioning properly.  

4. Fall: Inspecting for Leaks and Corrosion 

Before colder months arrive, check for leaks or signs of rust on your water heater. Even small leaks can worsen during winter, leading to costly repairs. Addressing minor issues in the fall helps prevent unexpected failures when you need hot water the most.  

5. Adjusting the Thermostat Year-Round 

Each season may require small thermostat adjustments for efficiency. Lowering the temperature in summer reduces energy costs while increasing it slightly in winter ensures a steady hot water supply. Keeping the temperature at 120°F balances comfort and efficiency. 


Seasonal water heater maintenance in St. Paul MN, keeps your water heater performing efficiently and extends its lifespan. Regular checks prevent costly breakdowns and keep energy costs in check. 


Don’t wait for a breakdown—schedule a professional inspection after the water heater installation in Minneapolis MN, with us at Professional Mechanical Services at (612) 688-2128.

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