Best Boiler Brands UK and Top 6 Boiler Manufacturers in 2023

Video: Best Boiler Brands in the UK

Here’s our in-depth video guide on the best boiler brands in the UK.

Which is the best boiler brand?

There are over 20 different boiler brands for residential properties out there all fighting for your custom and in this in depth review, we’re going to compare the top 6 best boiler brands as they all offer boilers for almost every sized home in the UK and a boiler for everyone’s budget.

We have based the list on everything you would expect from a top boiler brand – the most reliable boiler brands, best performance, best price, best warranty, best energy efficiency, and the one that can sometimes get overlooked but is most important if things do go wrong, best customer service and aftercare. 

Best boiler brands UK list

Rank	Boiler Brand
1	Viessmann
2	Worcester Bosch
3	Ideal
4	Vaillant
5	Alpha
6	Baxi

All the above best boiler brands offer a wide range of boilers across all the main gas boiler types.

With combi boilers are the most popular for small to medium-sized homes while the system boiler with a tank is better for larger homes.

#1 Viessmann Boilers: The best boiler brand

Viessmann is a German boiler brand that has taken the UK market by storm. Viessmann’s whole brand ethos just suits the UK market – affordable, reliable, and energy-efficient boilers.

Using German engineering is synonymous with premium products at premium prices, but that’s not the case with Viessmann boilers. With this boiler manufacturer, you get a premium product at an affordable price, and that’s why we love the Viessmann brand.

Viessmann brand highlights

• Most reliable boiler brand
• Superb German-engineered reliability & performance 
• Hydrogen ready boilers & Hydrogen Cell boilers
• Useful features on new boilers such as built-in WiFi
• Wide range of boiler types such as combi, system & conventional boilers
• Price range from £1,900 – £8,000 with unrivalled value on the Vitodens 100-W
• Long warranties – Up to 12-years warranty available on some boilers
• Superb customer service and aftercare
• Rated Excellent on TrustPilot

Viessmann: Top of the range boiler brand

As you would expect from the best boiler manufacturer, the whole Viessmann boilers range is impressive and even more so when you fully get into how much boiler you are getting for your money, as their Vitodens boiler range cost between £50 – £150 less than the other gas boiler brands and you get as good a boiler, if not better.

We would fully expect you to think that being the best boiler brand these Viessmann boilers would be more expensive. However, you couldn’t be more wrong, as their Vitodens boiler range cost between £50 – £150 less than the other gas boiler brands and you get as good a boiler, if not better.

The Viessmann Vitodens combi boiler range comes with a stainless steel heat exchanger which is far superior to the other new boiler brands in this list that only use aluminium heat exchangers.

A stainless steel heat exchanger is far more reliable and will last much longer than its aluminium counterparts.

The brand new look Vitodens 050-w range is also one of the best boilers for kitchen cupboards as it is one of the most compact boilers on the market right now.

A Which? Best Buy ensures that you also know it has been tried and tested by experts in the heating industry too.

Best reliable Viessmann boiler models available right now with Boiler Central including full boiler installation:

When it comes to choosing the best boiler company, you can be sure here at Boiler Central we give you plenty of options to choose from.

Here are the best residential boilers from Viessmann which are all available online now with fixed price quotes for full Gas Safe installation.

• Viessmann Vitodens 050-w
• Viessmann Vitodens 100-w
• Viessmann Vitodens 111-w

#2 best boiler brand: Worcester Bosch

If you have ever heard of a brand of boiler, Worcester Bosch is likely to be the one you have heard of the popular Greenstar i combi boiler range.

Worcester Bosch is the best brand and has been for a while and their new Worcester Bosch Greenstar 4000 combi boiler has been a huge hit. They are up there with Viessmann as the top brand and also make some of the best combi boilers in the UK.

These Worcester Bosch boilers are super reliable and come with long warranties to back that up.

You would also think that this would come at a price, but it absolutely doesn’t. They are very competitively priced and have an energy efficient condensing boiler for every home in the UK.

Worcester Bosch brand overview

• Gas condensing boilers with market-leading reliability & performance
• Forward-thinking technology such as Hydrogen ready boilers
• Great features on new boilers such as built-in WiFi
• Huge range of gas boilers & boiler types such as combi boilers, regular boilers and system boilers
• Price range from £1,600 – £5,000
• Long warranties – Up to 12-years warranty available on some boilers
• Superb customer service and aftercare
• Rated Excellent on TrustPilot
• Which? Recommended boilers
• Quiet Mark accreditations on Greenstar 2000 & 4000 models

Worcester Bosch: An ever-changing and improving brand

As you can see the Worcester Bosch boiler brand is clearly a force in the boiler world and it shows no signs of slowing down.

They have recently made the best better and brought out some brand new boiler options in the new Worcester Greenstar range such as the Greenstar 2000, 4000 & 8000 which are improvements on the legendary Greenstar i range. 

Best Worcester Bosch boiler brand UK models

• Wrocester Bosch 4000
• Worcester Bosch 2000
• Worcester Bosch 8000
• Worcester Bosch CDi Compact

#3 Ideal boilers: Best British boiler brand

Ideal boilers are one of the most common and well-known UK boiler brands. They are one of the most installed boilers in the UK and the choice of many new-build housing companies for their developments.

They are a good value leading boiler brand with reliable and easy to install boilers, with plenty of Gas Safe heating engineers all around the UK and great boiler warranties. Let’s take a look at Ideal heating solutions and see why this boiler manufacturer is worth a second look.

As boiler manufacturers go, Ideal like to keep things simple. Their Ideal Logic combi boilers have been around for what seems forever in the boiler industry, but why change something that works well?

Ideal brand highlights

• Best of British engineered boilers for reliability & performance 
• Hydrogen ready boilers to 20%
• Easy to use and simply built boilers for less to go wrong.
• Good range of boiler types such as combi, system boiler & regular boilers
• Price range from £1,600 – £3,000 
• Long warranties – Up to 12-years warranty available
• Excellent customer service and aftercare
• Rated Excellent on TrustPilot
• Energy Saving Trust Endorsed
• Quiet Mark accredited boilers

Ideal boilers are the ideal brand

Ideal has ensured that they have a boiler for everyone in the UK. The Ideal Logic C30 is a well known and recommended budget boiler brand for smaller homes in the UK whereas the Ideal Vogue max is a great powerful combi boiler for homes with higher hot water demand

Best Ideal boiler range available right now with Boiler Central including full installation:

• Ideal Logic C30
• Ideal Logic C24
• ideal Logic C35
• Ideal Vogue

#4 Vaillant boilers: Handcrafted boilers from this popular brand

The Vaillant boiler brand is all about energy efficiency. Being a German boiler brand they are built to high standards as expected.

They aren’t the best value boiler brand on the market as their boilers are in direct competition with Worcester bosch in terms of price, but what they do offer are refinement and energy-saving boilers.

Vaillant brand highlights

• German design but British manufactured boilers for reliability & performance 
• Hydrogen ready boilers to 20%
• Energy-Efficient boilers to save you money
• Good range of boiler types such as combi, system & regular boilers
• Price range from £1,900 – £3,500 
• Long warranties – Up to 12 years warranty available
• Excellent customer service and aftercare
• Rated Excellent on TrustPilot
• Quiet Mark accredited boilers

Vaillant boilers: the energy-efficient brand

The apple of the Vaillant brands eye, the EcoTec Exclusive boiler with GreenIQ is a prime example of what you can do when you really push the boundaries of energy efficiency.

They aren’t the best value boilers on the market in terms of price but you do get what you pay for with these excellent boilers. If they were cheaper, they would definitely be higher on the list, however, Vaillant now owns Glow worm boilers which are a more budget boiler brand.

Glow worm boilers were once one of the best boiler brands in the UK and there are many homes in the UK where they are still popular. Large companies such as British Gas still offer these as an option.

#5 Alpha Boilers: A budget brand with top of the range warranty

Alpha are an Italian company that has recently introduced a market first. A budget boiler with the warranty of a premium boiler.

The Alpha E-Tec plus comes with a huge 10-years warranty for around £1,600. In perspective, the next boiler brand that offers 10 years warranty on their new boilers and cost around £2,000. 

Alpha boilers brand highlights

• Simple Italian design boilers with high efficiency
• Energy-saving boilers to keep running costs down
• Good range of boiler types such as combi, regular and system boilers
• Price range from £1,595 – £2,500 
• Long warranties – Up to 13-years warranty available on more expensive models
• Excellent customer service and aftercare
• Rated Excellent on TrustPilot

Alpha boilers: The cheap boiler brand with a difference

Using the word cheap is a bit mean, as the boilers are well made and reliable for the price. The whole brand attitude is simple cost-effective heating that can be afforded by everyone. They are definitely becoming one of the more popular brands in the UK

Best Alpha boiler range available right now with Boiler Central including installation

• Alpha E-Tec 28kw combi boiler
• Alpha E-Tec Plus 38kw

#6 Baxi boilers: British brand with pedigree

Baxi boilers have been building and manufacturing their boilers in the UK since 1866, so you could say they know a thing or two about boilers. Baxi is an award-winning brand that strives to offer energy efficiency boilers backed up with unrivalled support and aftercare.

Baxi brand highlights

• British made boilers with a history of reliability and innovation
• Energy-saving boilers to save money on utility bills
• Good range of boiler types such as combi, system & regular boilers
• Price range from £1,600 – £2,500 
• Long warranties – Up to 10 years warranty available on more expensive models
• Award winning customer service and aftercare
• Rated Excellent on TrustPilot
• Which? Trusted traders Award

Baxi boilers: A great alternative brand

Baxi boilers are priced in the same price range as the top boiler brands and are very competitive in doing so. You can buy a Baxi boiler in confidence we just believe that Worcester & Viessmann are a step ahead in the technology available with their boilers, for the same boiler prices you can expect to pay for a Baxi.

Comparing boiler brands to get the best make

As we have pointed out, there are many new boiler makes to choose from, however, the right boiler for your home may be different to the next, as well as personal preference.

It is perfectly normal to continue to use a brand that you know well, so if you have had a Vaillant boiler for over 15 years, there is no reason not to get another one if you don’t mind the price.

Viessmann are relatively new so you may not have heard of this brand, however, Worcester Bosch boilers has dominated the market for over a decade so it is likely that you will have heard of them.

Ideal on the other hand is another great British boiler brand and the Ideal Logic combi boiler is the choice of new build developers.

Which are the best combi boiler brands?

Combi boilers are the most popular type of boiler and luckily the best combi boiler brands are included in our list. The best combi boiler right now is the Viessmann Vitodens 050 combi boiler closely followed by the Worcester Bosch Greenstar 4000 combi boiler.

You can get both these models online now and fitted as soon as tomorrow by one of our Gas Safe registered heating engineers.

What about the other boiler brands?

As you can imagine, our list is not extensive as we only wanted to highlight boiler brands in the UK home boiler market that we would fit in our own homes. However, that doesn’t mean that you have to choose one from this list.

There are other UK boiler brands that you may have heard of or have in your home such as Vokera boilers, Intergas boilers or Main boilers.

here is a quick list of some other boiler brands you may come across in your search for your next new boiler:

• Vokera by Riello
• Main Boilers (Baxi)
• Potterton boilers (Baxi)
• Keston (Ideal boilers)
• Ariston
• Intergas boilers
• Ferroli boilers
• Immergas
• Heatline (Vaillant)

Which are the best oil boiler brands?

When it comes to home heating systems, oil boilers are another alternative for people who are not connected to the natural gas network. The most common fuel for boilers is natural gas, but if you are looking for the best oil boilers then take a look at these oil boiler manufacturers.

• Warmflow
• Ravenheat
• Firebird
• Grant

Which are the best boiler companies?

At Boiler Central as a best boiler company, we aim to ensure that you get access to all the best makes and models available for you to choose from in one place, obviously at an amazing price too.

The best boiler companies should always offer you the best boilers, excellent customer service, and 12 years warranty on the best combi boilers, and obviously, this is something that we offer.

Best boiler brands: Final overview

Everyone wants the best combi boilers at the best price. Worcester has managed to improve their already brilliant boilers without increasing the price. This keeps them firmly on top as the best boiler brand.

Viessmann is a very close second and their value for money is unrivalled being slightly cheaper than Worcester for boilers that are just as good. 

Here at Boiler Central, we want you to get the best boiler brands at the best price. If you don’t know which boiler to choose then you can get a fixed price quote online in 20 seconds. This will include types of boilers that are suitable for your home. You can even get your next replacement boiler installed the next day!