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Installation & Maintenance

How to Maintain Your Hot Water System for Greater Performance

A hot water system is one of the most used appliances in any home, yet it is often overlooked until something goes wrong.

Regular maintenance plays an important role in keeping your system running efficiently, safely, and reliably over time. Whether you have a solar hot water system, heat pump, or electric system, a few simple checks can help extend its lifespan and maintain performance.

Why maintenance matters

Over time, all hot water systems experience wear and tear. Without proper maintenance, this can lead to:

  • Reduced efficiency and higher energy use
  • Inconsistent water temperature
  • Shorter system lifespan
  • Unexpected breakdowns

Routine servicing helps identify small issues before they become costly problems and ensures your system continues to operate as intended.

How often should you service your system?

Service frequency can vary depending on the system type, but as a general guide:

  • Solar hot water systems should be professionally serviced approximately every five years
  • Heat pump systems are typically serviced every two to three years
  • Older systems or those in more demanding environments may require more frequent checks

Following manufacturer recommendations is always the best approach to maintain performance and warranty coverage.

What happens during a service?

A professional service ensures your system is working safely and efficiently. Depending on the system, this may include:

For solar hot water systems:

  • Inspecting the tank, valves, and pipework
  • Checking solar collectors and connections
  • Assessing overall system performance

For heat pump systems:

  • Inspecting the compressor and key components
  • Checking electrical connections
  • Cleaning filters and ensuring airflow is not restricted
  • Confirming the system is operating correctly

Most services are completed within one to two hours, depending on the system type and condition.

Signs your system may need attention

Between scheduled services, there are a few early warning signs to look out for:

  • Reduced hot water or inconsistent temperature
  • Unusual noises during operation
  • Visible leaks or water pooling
  • Discoloured water

If you notice any of these, it is best to have your system checked to avoid further issues.

Simple checks you can do yourself

While professional servicing is important, there are a few simple things you can monitor:

  • Ensure the area around the system is clear
  • Check for visible signs of wear or leaks
  • Listen for changes in normal operation
  • Make sure airflow around heat pump units is unobstructed

These checks can help you catch issues early and keep your system running smoothly between services.

Why regular servicing is worth it

Routine maintenance is not just about avoiding breakdowns. It also helps:

  • Maintain energy efficiency
  • Extend the lifespan of the system
  • Ensure safe operation
  • Support warranty requirements

Taking a proactive approach can help protect your investment and minimise unexpected costs.

When to consider repair or replacement

Even with good maintenance, all hot water systems will eventually need repair or replacement.

You may want to consider your options if:

  • The system requires frequent servicing
  • Performance has noticeably declined
  • Energy use has increased
  • The system is reaching the end of its expected lifespan

Keeping your hot water system performing at its best

A well-maintained system delivers consistent performance and uses energy more efficiently over time.

By combining regular professional servicing with simple checks at home, you can ensure your hot water system continues to meet your needs reliably.

Still exploring your options?

If your system is ageing or no longer performing as expected, it may be worth looking at more efficient alternatives.

👉 Explore your hot water system options to find the right fit for your home.

Need help with servicing or upgrades?

If you are unsure when your system was last serviced or want expert advice on maintenance or replacement, support is available.

👉 Contact your local Solahart team to discuss your options.