Regular boiler servicing is essential to ensure your home heating system remains efficient and safe. But what exactly happens during a boiler service? Understanding the process can help homeowners appreciate the value of this annual check-up, ensuring their boiler operates at peak performance throughout the colder months.

Step-by-Step Guide to a Boiler Service

1. Visual Inspection: The first step in a boiler service is a thorough visual inspection. A qualified engineer will check the boiler and its associated pipes and radiators for any signs of wear or damage. They will look for leaks, corrosion, and ensure that the boiler casing is intact and properly sealed.

2. Operational Checks: Your engineer will then conduct operational checks to make sure the boiler fires up correctly. They will monitor the response of the boiler to various controls, including thermostats and programmers. This ensures that all components are responding correctly and settings are accurate for optimal performance.

3. Safety Checks: Safety is paramount when it comes to gas appliances. The engineer will check for harmful emissions such as carbon monoxide. This involves analysing the flue gases to ensure the boiler is combusting properly, with no risk of carbon monoxide leaks.

4. Efficiency Tests: To ensure your boiler is running efficiently, the engineer will check the pressure and test the flue to make sure it’s not emitting any unsafe fumes. They may also adjust the burner pressure and gas flow, if necessary.

5. Cleaning: Over time, boilers can accumulate dirt and debris that affect their efficiency. Part of the service includes cleaning key components such as the heat exchanger, burner, and fan. This not only improves efficiency but also prolongs the life of the boiler.

6. Final Assessment and Recommendations: After completing the checks and cleaning, the engineer will provide a service report that details the health of your boiler. If any issues are found, they will recommend necessary repairs or adjustments.


A comprehensive boiler service not only ensures safety and efficiency but also extends the lifespan of your heating system. If you’re in areas like Alton, Farnham, Aldershot, Haslemere, Grayshott or surrounding areas, and haven’t had your boiler serviced this year, now is the time to act. Contact us today to book a professional boiler service and enjoy peace of mind knowing that your heating system is in top condition.

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