Is it better to repair or replace a boiler?

Plumbing Blackburn

During winter, the last thing you need is your boiler breaking down when you need it most. Consequently, it is prudent to properly maintain your boiler to prevent a breakdown. However, breakdowns are inevitable no matter how well you maintain your boiler. You can either repair or replace your boiler when it breaks down, but this decision is one to make only after careful consideration. Here’s how to know whether a new boiler install or repair is ideal after a breakdown.


Safety is perhaps the biggest thing to consider when repairing or replacing your boiler. A repaired broken-down boiler with too many safety issues is a problem waiting to happen, and since it can produce carbon monoxide it’s best to replace. Therefore, always consult your qualified heating engineer to know whether your boiler can be safely repaired before proceeding.

Potential for efficiency savings

You may be able to save more money in the long run by installing a more efficient boiler, even if the fault with your current one can easily be fixed. This is because a modern boiler is more energy-efficient than an older one. Many experts predict an energy price rise of £700 from April 2022, so replacing your old boiler with a newer and more energy-efficient one might be the best way to save money.

Cost of repair

Replacement parts for older boilers are difficult to come by, so it can cost more to repair them. An old boiler will only cost more to repair over time, so determine whether replacing your current boiler is more cost-effective than repairing it before choosing.

Frequency of breakdowns

A boiler that breaks down too often is worth replacing with a newer model. However, if your boiler is already new and rarely breaks down, repairing it is likely the best thing to do since frequent issues are unlikely.

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