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7 Frequently Asked Questions about Boilers

Whether you’re ready for a new boiler installation or just wondering how often to service your current model, the topic of boilers can be a confusing one.

It can be tough trying to make sure you’re buying the correct boiler for your home, or deciding whether your boiler can be repaired or not. That’s why we’ve put together this list of commonly asked questions about boilers.

From deciding between different types of boilers to getting a good deal, here are 7 frequently asked questions about boilers to help you make the right decision for your home.

1. What Different Types of Boilers Are Available?

There are a few different types of modern boilers on the market, and deciding between them can be difficult.

The boiler you’re most likely to have installed is a combi boiler. As the name suggests, these boilers combine a water heater and central heating system in one package. This means you don’t need an external water tank.

A system boiler does require an external tank. However this only stores hot water and all of the heating is carried out by the boiler itself.

The third type of boiler you might come across is a standard boiler. These boilers need hot and cold water tanks and are usually more suited to older homes with existing heating and storage systems.

Find out more about finding the right type of boiler for you here.

2. How Do I Choose between Different Boiler Brands?

Choosing between different brands of boiler can be confusing at first, but each brand brings its own advantages and selling points.

Worcester Bosch

Different brands will sit in different price ranges, so look at brands that fit your budget, then use sites like Which? to look into reviews and ratings for different brands to find the right brand for you.

At, we install boilers from Ideal, Worcester-Bosch, Valiant and Glow-worm.

Find out more about finding the right boiler brand for you here.

3. How Often Should I Replace My Boiler?

The general lifespan of a boiler is around 10 to 15 years. While this is an average, your boiler may last longer if you take care of it well.

You should decide to replace your boiler when repairs become too expensive or start mounting up. Opting for a new boiler at this point should save you money in the long run.

An expert engineer should be able to help you decide on the right time to replace your boiler.

4. How Do I Know if My Boiler Needs Repairing or Replacing?

If you have a boiler fault it’s most likely a common problem with a simple fix. However it can be difficult to understand whether your boiler can be repaired or not when a more serious issue occurs.

Repair or Replace

The best option here is consult a Which? Trusted Traders engineer. They’ll be able to assess whether your boiler is safe to continue using after a fix or whether it can be repaired at all.

Find out more about repairing or replacing your boiler here.

5. How Often Should I Get My Boiler Serviced?

Getting your boiler serviced when there doesn’t appear to be any issue may seem unnecessary, but servicing your boiler once a year should help to prolong its lifespan.

Having an annual service should help you avoid unforeseen problems with your boiler, and keep it running efficiently.

If you’d like to find out more about annual boiler servicing, we have competitive, affordable packages available.

6. How Do I Know if My Boiler Is Economical?

If you’re buying a new boiler, or just trying to decide if you need one, how efficient it is will be a big part of your decision.

To find boilers that are economical, look for their ENERGY STAR rating. A well rated boiler should run very efficiently, whereas a poorly rated model may be more cost effective to replace in the long run.

You should find that all modern boilers are more economical when compared to older models.

7. How Do I Know if I’m Getting a Good Deal on My Boiler?

Navigating price can be one of the most difficult parts of buying a boiler, and you want to make sure you get the best deal possible.

To make sure you get a good deal on your boiler, the first thing to do is opt for a company displaying the Which? Trusted Traders badge. At, we are Which? Trusted Traders, so all of our engineers are knowledgeable, fully trained and will be able to help you find the best deal for you.

The right course of action for your boiler…

Right boiler

These answers to common boiler questions should be able to help you make the right decision for your home. You should be able to take the right course of action for your boiler, whether that’s a new model, repair or an annual service.

If you still need help with your boiler issue, feel free to call our friendly customer service team on 0333 577 0151.

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