How Often Should Boilers Be Serviced?

How Often Should Boilers Be Serviced

In this detailed guide, I will share with you the information on how often should boilers be serviced so read on..

Boiler maintenance is a major concern for homeowners in the UK. It’s also one of the most important things you can do to keep your home warm and cozy during winter months. Boilers are complex pieces of machinery that produce hot water, which is then used to heat up your house—a process known as hydronic heating. But they require regular servicing to work efficiently and safely.

The frequency with which boilers should be serviced depends on a number of factors including how well you care for them (i.e., whether or not you clean out debris from inside) and their age.

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How Often Should Boilers Be Serviced?

It’s recommended that homeowners have their boiler serviced every year by professionals who know what they’re doing.

Over time, sediment and other particles can accumulate inside boilers, causing them to work harder and less efficiently. This will not only increase your utility bills but also present a significant fire hazard.

Since it’s not only important but also necessary, we want to share a few quick tips on how to clean and service your boiler yourself!

You can find step-by-step instructions below:

What You’ll Need  and How to Do It

  • Mix up some hot water and dishwashing liquid and fill up the boiler’s tank.
  • Turn on the hot water tap and allow the water to run through it while you scrub away at any debris found inside. 
  • Since using a pressure washer isn’t recommended, try soaking up grease and grime with paper towels before wiping down surfaces with a damp cloth.
  • Empty out remaining water from inside the tank and wipe down the boiler’s exterior with a damp cloth.

Once your boiler is completely dry, you can turn it back on! Remember to leave it turned off for about half an hour before using hot water again in order to allow any residual water inside the tank to warm up.

How long does service take?

This varies depending on how big the unit is and whether you are doing the work yourself or if the technician is completing the task for you. If you’re doing it yourself, it’ll take about an hour and if you do decide to hire someone to come out and service your boiler for you, then it shouldn’t take any more than one hour.

If I do the service myself, what should I check?

If you have decided to service your boiler yourself, there are some things that it’s important to check before doing so. This includes making sure that the water system has not run out of any water and checking for any leaks around the unit itself which need repairing.

What should I wear when doing a service?

It’s always best to wear protective clothing such as boots and gloves when servicing a boiler because there is likely to be dirty and muddy water involved. Even if the area is not too dirty, it’s still best to wear protective clothing because there might be sharp fittings or parts on tanks and if you get hurt then this will cause more problems for you in the long run.

Once I’ve serviced my boiler, how do I keep it in good condition?

After you’ve serviced your boiler, it’s a good idea to get in touch with Air Specialist UK. We can check that everything is working as it should be and if anything needs repairing then we can carry out those repairs for you. If there are no problems, we can also give you a quote for our annual service package which will save you the time and money spent trying to do things yourself.

Is it a legal requirement to have your boiler serviced?

In UK, it isn’t a legal requirement that you service your boiler every year, but it is something that can be very important. If your boiler breaks down or stops working for whatever reason and this is not detected by your yearly service, then the repair costs could increase significantly over time. Also, if it’s an old boiler that has never been serviced before, it might break down which can mean a lot more disruption to your life, time and money.

What happens if boiler isn’t serviced?

If your boiler isn’t serviced, it can break down or stop working for reasons such as blockages. This is because those minerals that are carried around inside the system and are deposited in places such as valves which cause them to become open and close less efficiently. When a service technician comes out to service your boiler, they will take off all of the valves and clean them up. They will then put them back on the boiler, flush out all of the water system and check that everything is working properly before putting a sticker on your boiler to show that it has been serviced.

What is involved in boiler servicing?

Boiler servicing involves cleaning out any debris or dirt inside your boiler system. This is done via the condensate pipe, which will have an access point somewhere on the unit. The condensate needs to be drained out first before any debris can be removed from inside of the boiler system.

When this happens, the service technician may also need to flush out your heating system using fresh water and check that everything is operating as it should be. When the water system has been flushed out, a chemical is added to make sure that any remaining bacteria or lime scale are eliminated. After disinfecting the inside of your boiler, they will then check that there are no leaks and put a sticker on the boiler to show that it has been serviced.

Do service companies clean out your boiler?

Some service companies will clean out your boiler for you, as part of the service. Others may not do this and you might have to pay extra to get it done. However, if there is no problem with the water system and everything is working properly then it’s not usually necessary to remove all of the sediment from inside your boiler.

What is the cost of boiler servicing?

The price of having your boiler serviced depends on the make, model and size as well as where you live. Costs can be anything from £90 to over £300 depending on these factors and whether or not a service company needs to clean out your boiler.

How long is a boiler service valid for?

Once you have had your boiler serviced, the sticker that is put on it will show when the next service should take place. For example, if it’s done every year in January then there might be an ‘JA’ after the date to indicate January and then a year. This means that the service will be valid until January of the following year, so if you get your boiler done at the beginning of January 2021 then it’ll only be valid until midnight on 31st January 2022.

How long is a boiler service good for? There are two years from when your boiler was last serviced that you can use to book a service. When you phone up to have a boiler serviced, we ask for the last service date and come to your property on or before this date. If it’s been longer than two years since you had your boiler serviced (and therefore the sticker has worn off) then it’s a good idea to call us as soon as you can so that you don’t have to pay for a service.

How Often Should Boilers Be Serviced

How often should a boiler be replaced?

If you have a boiler that is over 10 years old, it’s a good idea to consider having it replaced because the newer models are more energy efficient and therefore cheaper to run. There are lots of benefits to replacing an old model for something new including lower bills, being more environmentally friendly and having a unit which will last longer.

Do I need to change the filter in my boiler?

It’s a good idea to replace the filter every three months during the winter because this is when most homes are using heaters and therefore more dust and debris will be getting through which could clog up your system. If you wait longer than three months, then it’s likely that there will be dirt and dust which has built up and this will cause your heating to be less effective.

If you have any further questions or concerns about boiler servicing, then please feel free to get in touch with our team at Air Specialist UK who can give you more advice and help you to choose the best service plan for your new boiler!

How do I know if my boiler needs replacing?

If you’ve recently found out that your boiler is less than 10 years old then don’t worry – this doesn’t necessarily mean that it needs replacing. However, if you have an older boiler which is not performing as well as it used to or if your bills are high for no discernible reason, then these are both good reasons for having a new boiler.

How much does a new boiler cost?

The price of a new boiler will depend on the make and model you choose as well as where you live and how big your family is. However, it’s possible to get something installed for less than £1,000 if you go for one of our great offers or have an old boiler which is being replaced. Is it cheaper to have my boiler repaired or replaced?

If your boiler is over ten years old, then this could be because the cost of servicing it hasn’t been covered by annual inspections and the repair costs will therefore outweigh the repair costs.


If you’re looking for a new boiler or want to have your current one serviced, it’s important that you know what questions to ask and the major considerations when deciding which option is best. One of the most important aspects to keep in mind is how old your boiler is because newer models are more efficient than older ones. If your boiler has been running longer than 10 years then it might be worth replacing with something new that will save money on energy costs and last much longer.

References : Why should I get my boiler serviced

Noah Burns

I am Noah Burns- I love to experiment and test new products with an aim to create informative contents for readers like you. It is my aim to make this site a leading source of information and reviews to help consumers make more informed buying decisions.

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