What Happens During a Boiler Service? September 30, 2025 A boiler service is one of those essential checks that ensures your heating system is running safely, efficiently, and reliably. Many people are unsure of what actually happens during a boiler service, but understanding the process can help you feel more confident and prepared when the engineer arrives. Regular servicing not only reduces the risk of breakdowns but also helps extend the lifespan of your boiler. The Step-by-Step Process of a Boiler Service When you book a boiler service, a qualified engineer will carry out a thorough inspection and a series of tests. The goal is to make sure your boiler is safe, energy efficient, and performing as it should. Initial Safety Checks The engineer will begin with general safety checks, such as ensuring the boiler is installed correctly and that there is adequate ventilation. They will also test for any potential gas leaks or carbon monoxide risks, as these are critical to household safety. Cleaning and Internal Inspection The casing of your boiler is carefully removed so the engineer can inspect and clean the internal components. Key parts such as the burner, heat exchanger, ignition system, and fans are checked for wear, corrosion, or blockages. A clean system helps maintain good performance and reduces the chances of breakdowns. Component Testing Each internal component is tested to ensure it is working as intended. The engineer will look at the gas pressure and flow, ensuring it is set at the correct levels. They will also check the flue to confirm that harmful gases are being expelled safely. Efficiency Assessment An efficiency test is carried out to confirm that your boiler is running at its best. The engineer may adjust settings to optimise performance, which can help you save on energy bills. Final Report and Advice At the end of the service, the engineer will provide a report outlining what has been checked and if any issues have been identified. They will let you know if repairs or replacements are needed, or simply confirm that your boiler is safe and ready for continued use. Benefits of Regular Servicing Keeps your home safe by identifying gas or carbon monoxide risks Helps prevent costly breakdowns by spotting issues early Extends the lifespan of your boiler Maintains manufacturer warranty requirements Improves energy efficiency and lowers bills Keep Your Heating Reliable in Stonehaven and Aberdeen Looking for peace of mind with your boiler in Stonehaven or Aberdeen? Westhill Boiler Services provides professional servicing, safety checks, and maintenance to keep your home warm and safe all year round. Call us today on 01224548803 or fill out our contact form on our website to book your boiler service.