A reliable water heater is a cornerstone of a comfortable home, providing hot water for showers, washing dishes, laundry, and various other tasks. However, just like any other major appliance, a water heater needs regular care to function at its best. Without proper maintenance, your water heater may work less efficiently, experience premature breakdowns, or even fail completely, leading to costly repairs or replacements.
At Pristine Plumbing, we understand the importance of keeping your water heater in good working order. As part of our commitment to homeowners, businesses, property managers, and contractors in the Treasure Valley area, we offer expert water heater maintenance services. In this blog, we’ll discuss how often you should service your water heater, the benefits of regular maintenance, and the steps involved in keeping your unit running efficiently.
Why Water Heater Maintenance is Essential
Maintaining your water heater is more than just a routine task—it’s a necessary measure to ensure it performs optimally. Regular maintenance offers several benefits, including:
- Prolonging the Lifespan: A well-maintained water heater can last up to 15 years or more. Neglecting it may shorten its lifespan, leading to expensive replacements.
- Improved Efficiency: Regular maintenance helps your water heater operate efficiently, which can reduce your energy consumption and lower utility bills.
- Preventing Costly Repairs: By identifying minor issues early on, you can avoid major repairs or breakdowns. A simple maintenance check can prevent an expensive emergency call.
- Ensuring Reliable Hot Water: Routine maintenance ensures that your water heater is always ready to provide hot water, minimizing the risk of disruptions during your daily routine.
With these benefits in mind, it’s crucial to understand how often you should service your water heater to enjoy these advantages.
How Often Should You Maintain Your Water Heater?
The frequency of water heater maintenance can depend on several factors, including the type of unit you have, the quality of your water, and the manufacturer’s recommendations. In general, however, it’s recommended to schedule a professional maintenance check at least once a year.
Here are some guidelines based on different types of water heaters:
1. Conventional Tank Water Heaters (Electric or Gas)
Frequency of Maintenance: Once a year
Why: Traditional tank-style water heaters, whether electric or gas, benefit greatly from yearly inspections and maintenance. These units are prone to sediment buildup at the bottom of the tank, especially in areas with hard water. Over time, this sediment can reduce the unit’s efficiency and even damage the heating elements.
Maintenance Tasks for Tank Water Heaters:
- Flushing the Tank: Flushing the tank once a year removes sediment buildup, preventing reduced heating efficiency and potential damage to the tank.
- Inspecting the Anode Rod: The anode rod protects the tank from rust and corrosion. If the rod is worn out, it should be replaced to avoid tank damage.
- Checking for Leaks: Plumbers should inspect the tank for any signs of water leakage, rust, or wear.
- Testing the Thermostat: Ensuring the thermostat is set correctly (around 120°F) helps maintain safe water temperatures and energy efficiency.
2. Tankless Water Heaters
Frequency of Maintenance: Once a year (or more often if you have hard water)
Why: Tankless water heaters, which heat water on demand rather than storing it in a tank, require less maintenance than traditional models. However, they still need attention, especially in areas with hard water where mineral buildup can affect performance. Depending on your water quality, you may need more frequent servicing.
Maintenance Tasks for Tankless Water Heaters:
- Descaling the Unit: Tankless units should be descaled annually to remove mineral deposits that can clog the system. In areas with hard water, you may need to descale the unit more often.
- Inspecting the Filter: Tankless water heaters often have a filter that should be cleaned periodically to maintain proper water flow.
- Checking the Venting: The venting system should be checked for any blockages, ensuring safe and efficient operation.
- Flushing the System: A plumber may need to flush the system to remove any accumulated debris or buildup.
3. Solar Water Heaters
Frequency of Maintenance: Once a year
Why: Solar water heaters rely on solar panels and a heat exchange system to heat the water. Since these systems involve both mechanical and electrical components, they require regular servicing to ensure optimal performance and energy efficiency.
Maintenance Tasks for Solar Water Heaters:
- Cleaning the Solar Panels: Dust, dirt, and debris can accumulate on the panels, reducing efficiency. Cleaning the panels once a year ensures they can absorb maximum sunlight.
- Inspecting the Tank and Pipes: Check for any leaks or signs of damage to the tank and piping. Inspecting the pump and controller is also important to ensure proper functioning.
- Checking the Fluid Levels: In active solar systems, the heat transfer fluid needs to be checked and replenished if necessary.
Signs Your Water Heater Needs Attention
While annual maintenance is ideal, there are some signs that your water heater may need attention before your next scheduled service. Watch for these warning signs:
- Lukewarm or Cold Water: If your water heater is no longer producing hot water or is providing lukewarm water, it could be a sign of a failing heating element or thermostat.
- Strange Noises: Rumbling, popping, or hissing noises coming from the water heater could indicate sediment buildup or a malfunctioning heating element.
- Water Discoloration: If the hot water coming from your faucet is rusty or discolored, it could indicate rust inside the tank or corroded pipes.
- Leaking or Dampness: Water pooling around your water heater or signs of dampness on the tank may indicate a leak, which requires immediate attention.
- Increased Energy Bills: If your energy bills are suddenly higher, it could be a sign that your water heater is running inefficiently due to sediment buildup or another issue.
If you notice any of these signs, it’s important to call a professional plumber right away to avoid further damage or higher repair costs.
The Benefits of Professional Water Heater Maintenance
While it might be tempting to handle minor maintenance tasks on your own, professional service is always recommended for water heaters. Here are the reasons why professional maintenance is the best option:
- Expert Diagnosis: A professional plumber can identify and address issues that may not be immediately obvious to homeowners.
- Thorough Inspections: Plumbers will conduct a comprehensive inspection of your water heater to check for leaks, worn parts, and signs of corrosion.
- Proper Equipment: Plumbers have the tools and equipment needed to properly flush the tank, inspect the components, and clean the system.
- Safety: Water heaters involve electrical components and gas lines, making them potentially hazardous. A professional ensures the job is done safely and correctly.
Conclusion
Maintaining your water heater is essential for ensuring it works efficiently and lasts for years. While the recommended frequency for water heater maintenance is once a year, the specific needs of your unit can vary based on the type of water heater, the water quality in your area, and its age. Regular maintenance not only helps prevent expensive repairs and premature replacements but also ensures that you always have access to reliable hot water when you need it.
At Pristine Plumbing, we offer comprehensive water heater maintenance services to keep your home or business’s water heater running smoothly. Whether you have a traditional tank water heater, a tankless system, or a solar water heater, our expert plumbers are here to provide the care your system needs. Contact us today for your water heater inspection and maintenance!

