Summer Water Heater Maintenance: Must-Know Tips for Montreal Homeowners

Jun 12, 2025By Alessio Mazza
Alessio Mazza

Understanding the Importance of Summer Water Heater Maintenance

As summer rolls around in Montreal, many homeowners shift their focus to cooling systems and outdoor maintenance. However, summer is also the perfect time to pay attention to an often-overlooked appliance: your water heater. Proper maintenance during these warmer months can ensure your water heater runs efficiently all year long, saving you from unexpected cold showers and costly repairs.

water heater maintenance

Why Summer Maintenance Makes Sense

Summer is an ideal time for water heater maintenance because usage is often lower. With vacations and outdoor activities, the demand on your home's hot water supply decreases, allowing for more flexible maintenance scheduling. Moreover, addressing any issues now can prevent inconveniences during peak winter months when a reliable hot water supply is crucial.

Inspect for Leaks and Corrosion

One of the first steps in maintaining your water heater is to check for leaks and signs of corrosion. Leaks can lead to water damage and mold growth, while corrosion can compromise the efficiency and safety of your unit. Inspect the tank, connections, and valves regularly. If you notice any rust or moisture, it may be time to call a professional for a thorough inspection.

water heater inspection

Flush the Tank

Flushing your water heater tank is an essential maintenance task that removes sediment build-up. Sediment can decrease efficiency and lead to premature wear and tear. To flush the tank, follow these steps:

  1. Turn off the power or gas supply to the water heater.
  2. Connect a garden hose to the drain valve and direct it to a suitable drainage location.
  3. Open the valve and allow the tank to empty completely.
  4. Once drained, close the valve and remove the hose.
  5. Refill the tank and restore power or gas supply.

Check the Anode Rod

The anode rod plays a critical role in preventing corrosion inside your water heater tank. Over time, this rod will deplete, requiring replacement to maintain its protective function. During your summer maintenance routine, check the anode rod's condition. If it's less than half an inch thick or coated with calcium deposits, replace it to prolong your water heater's lifespan.

anode rod replacement

Test the Temperature and Pressure Relief Valve

The temperature and pressure relief (TPR) valve is a crucial safety feature of your water heater. It prevents excessive pressure build-up by releasing steam or hot water when temperatures or pressures become too high. Test this valve by carefully lifting the lever partway and allowing it to snap back into place. You should hear a brief rush of air or see some water exit through the discharge tube. If not, consider replacing the valve.

Adjust Thermostat Settings

Summer is a good time to adjust your water heater's thermostat settings. Lowering the temperature to around 120°F (49°C) can save energy and reduce the risk of scalding, especially with children in the home. This small adjustment can also help reduce utility bills during the peak cooling season.

thermostat adjustment

Insulate Your Water Heater

If your water heater is located in a cooler area of your home, consider adding insulation. Insulating the tank and pipes can reduce heat loss, improving efficiency and reducing energy costs. Water heater blankets are available at most hardware stores and can be installed easily with basic tools.

When to Call a Professional

While many maintenance tasks can be performed by homeowners, some issues require professional intervention. If you encounter persistent leaks, unusual noises, or inconsistent hot water supply, it's best to contact a licensed technician. Regular professional inspections can help identify potential problems before they escalate into major repairs.

By following these summer maintenance tips, Montreal homeowners can ensure their water heaters remain in peak condition year-round. This proactive approach not only enhances efficiency but also extends the lifespan of this essential home appliance.