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Why should I service my boiler?

At a time when many of us are looking to reduce our home expenses, you might be wondering, is it really important to service my boiler? Keeping your boiler in tip-top condition ensures efficient running and safe operation, here's how.

Written by
Emily Ives-Keeler
on 04 Jan 2023
and updated on
10 Apr 2026
Categorised in
Tips and Advice

Keeping your home safe

The most important reason to service your boiler is safety. A faulty boiler could lead to a carbon monoxide leak, a colourless, odourless gas that can be extremely dangerous if left undetected.

Regular servicing helps ensure your boiler is operating safely, with key components checked, cleaned, and tested by a qualified engineer. They can identify early warning signs such as leaks, blockages, or ventilation issues before they develop into more serious problems.

By having your gas or oil boiler serviced regularly, you're helping to protect your home and, most importantly, keeping yourself and your family safe.


What can I expect during a boiler service?

During a boiler service, a Gas Safe registered engineer checks that your boiler is safe, efficient, and working properly.

They'll inspect for wear or faults, clean key components, and carry out safety tests such as burner pressure checks and flue analysis. For gas boilers, this includes checking for leaks, inspecting pipework, and ensuring proper ventilation. For oil boilers, thorough cleaning is especially important to prevent contamination and maintain performance.

The engineer will identify any issues, explain them, and recommend any necessary repairs. They may also suggest installing a carbon monoxide detector for added safety.

Regular servicing helps prevent faults, improve efficiency, and extend the life of your boiler. For oil systems, using heating oil additives can also help reduce contamination and support performance between services.

When is the best time to get my boiler serviced?

Servicing your boiler in summer helps ensure it's ready when you need it most in winter.

Booking a service early gives you time to identify and resolve any issues before colder weather arrives - reducing the risk of unexpected breakdowns when your heating oil and hot water are essential.

It can also help you avoid higher costs and delays, as demand for repairs and servicing increases during the winter months.

By getting ahead, you can stay prepared, minimise disruption, and keep your heating running smoothly when it matters most.

Save money buy servicing your boiler

Servicing your boiler may involve an upfront cost, but it can save you money over time.

Regular maintenance helps your boiler run more efficiently, using less fuel to produce the same level of heating - which can help reduce your energy bills.

It also lowers the risk of unexpected breakdowns, helping you avoid costly repairs, particularly during emergencies when demand is higher.

A well-maintained boiler is likely to last longer too, meaning you can delay replacement and get more value from your existing system.

Overall, regular servicing is a simple way to reduce running costs, avoid disruption, and extend the life of your boiler.

Keep your warranty valid

Regular boiler servicing is also essential for keeping your warranty valid.

Most manufacturers require an annual service as part of their warranty terms. If you miss a service, your warranty may become invalid.

This means that if your boiler develops a fault, you won't be covered and will need to pay for repairs yourself.

Keeping up with annual servicing helps protect your warranty and avoid unexpected costs.

How often should I service my boiler?

Every year, a Gas Safe Registered engineer should complete an annual boiler service. This will ensure that your warranty remains intact and will also allow your engineer to identify and resolve any potential issues before they become large-scale problems.

Where can I book a boiler service?

Finding a reliable engineer is quick and straightforward using My Boiler Service. Simply enter your postcode and boiler type to view quotes from local engineers. You can instantly compare prices, ratings, and reviews to find the best engineer for your needs. Once you’ve found your ideal engineer, you can use the online booking system to book direct. There are no costs or fees to use the website; just pay your engineer after their work is completed.

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