How Long Do Boilers Last (And Why)?

How Long Do Boilers Last (And Why)?

Exact Answer: 12-15 Years

The heart of your home is your boiler. Because of its significance, your heating system must be kept in peak working order to satisfy your needs. Knowing how long your boiler will last and recognising when it’s time for a replacement is an important part of caring for it.

There is no clear answer, as with most questions. However, simplifying the solution by looking at the primary factors that influence boiler longevity, or a lifetime, can help.

How Long Do Boilers Last

How Long Do Boilers Last?

Well-Managed12-15 Years
In Bad ConditionLess Than 10 Years

A decent boiler should not only efficiently heat your home but also do so for an extended period. If you recently purchased a new boiler, you are unlikely to need to replace it for several years. The average lifespan of a contemporary boiler is between ten and fifteen years. If your current one is nearing the end of its useful life, it may be time to upgrade.

The modern boilers that we have nowadays are better than the earlier ones. These boilers date back to a time when technology and environmental concerns were distinct. They’re also definitely past their prime, so start saving for a replacement now. Your boiler, on the other hand, is likely to be far more efficient if it was installed more than 4-5 years ago.

As previously indicated, the average contemporary boiler has a lifespan of only 12-15 years. Small failures or malfunctions are not included in this. You want to know that you won’t have to buy another boiler for a long time after you buy a new one. Combi-boilers account for more than half of all new boiler installations in the UK. 

These small boilers can be used as both a water heater and a water source for your showers and faucets. Combi boilers get their name from the fact that they have a water heater and a central heating boiler. Your boiler is probably the most crucial piece of equipment in your home. It’s especially tough to survive without heat during the frigid winter months. 

Why Do Boilers Last That Long?

Over a year, your boiler accounts for roughly 65% of your energy costs. A well-functioning boiler can help you save money on your energy bills. The more effective a boiler is at converting energy into heat, the better. Your boiler guarantees that the majority of your energy bills are used efficiently by wasting less energy.

Boilers are a large investment that may run into thousands of pounds once installation and other costs are included. When you put that much money into something, you expect it to be dependable, efficient, and durable. Before you consider purchasing a new one, it must last for at least ten years. You are likely to purchase three to four boilers during your life. 

You don’t want to see that number rise as a result of carelessness, scrimping, or substandard work. It is quite obvious that if you have a well-maintained boiler, it will last longer, save money on electricity, and require fewer repairs. Boilers have a 12-15 year useful life, according to most manufacturers. This does not imply that your boiler will survive that long every time. If it does, though, it may not perform as well as it did when you first purchased it.

If you’re in the market for a new boiler, there are a variety of manufacturers to choose from. Boilers, on the other hand, are not all the same. To save money, you might be tempted to purchase the lowest model available which is not a good decision. Getting your boiler serviced by a professional at least once a year is a smart idea. 


If you don’t get your boiler serviced every year, many manufacturers will void your warranty. When you hire someone who isn’t a qualified professional, your warranty is also voided. Avoid going after cheaper alternatives because a professional is a proper person for the job. To install, repair, and service your boiler, you’ll need an expert with the proper technical skills.

If you’ve taken good care of your ten-year-old boiler, it could last another few years. In other circumstances, though, keeping an old boiler rather than replacing it can be more expensive. Even if your current boiler is in good shape, it’s a good idea to start saving for a replacement. It may appear to be a large outlay, but it will almost certainly save you money in the long run.


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Hi! I'm Nidhi.

Here at the EHL, it's all about delicious, easy recipes for casual entertaining. So come and join me at the beach, relax and enjoy the food.

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