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Signs Your Boiler Needs Repairs

As of 2021, 93% of homes in Canada had some form of heating system.

If your home has a boiler, it likely gets plenty of use, especially in the colder months. With time, your boiler will degrade, and you may need some repairs to keep it functioning properly.

In this guide, we'll go over some signs that indicate you're in need of boiler repair. Keep reading for more.

Strange Sounds

Boilers are typically quiet, so you usually won't notice it. If it becomes louder, this is often a sign of boiler problems.

If you hear banging, clunking, or whirring sounds, it's usually an issue with the pump or fan. A gurgling or whistling sound is common if the water pressure is too low or the boiler is kettling. If you hear any unusual noises, you should contact a professional to take a look and determine the issue.

Foul Smell

This can be one of the biggest problems with a broken boiler, as it won't just affect how it functions but could also affect your health. Carbon monoxide itself is odourless, so a leak can be hard to detect without a carbon monoxide alarm. If your boiler isn't burning properly, however, it can give off a foul smell.

You may also be able to detect a carbon monoxide leak from the colour of the flame. It should usually be blue, so if it's yellow, there's an issue. This is a major health and safety risk, so call a professional repair company immediately and evacuate everyone from the building.

Higher Heating Bill

Various issues can occur with a boiler that makes it less energy efficient. If you notice an unexpected increase in your heating bill, it could be because of this. Call a professional as soon as you can so you can get your bills back down and stop the issue from developing into a larger problem.

Cold Building

This ties into the decrease in efficiency. You'll probably notice if your building is colder than usual, and this could well be because your boiler is broken.

Your boiler may not be heating your building at all, or it could just be doing a worse job than it should. Either way, a professional repair company will be able to find the issue and determine a solution.


A leak may not seem like a major issue at first, but the longer it's left, the worse it will be. A leak can get into other parts of your home and cause severe water damage.

The worse this is, the more repairs will cost. You want to get this checked as soon as possible to help keep repair costs down.

Professional Boiler Repair

If you notice any of the above issues with your boiler, you should contact a boiler repair company as soon as possible. They'll be able to determine the issue and advise you on whether you need boiler repair or a boiler replacement.

CL Plumbing & Heating can provide professional boiler repair as well as a range of other services. Contact us today to find out more about how we can help you.

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