boiler makes
James Elston

James Elston

Published February 8, 2024

Are you in the market for a new boiler and wondering how to choose the best brand for your home? Picking the right boiler brand is crucial for ensuring efficiency, reliability, performance, and value for money.

This article covers the top boiler makes and manufacturers and all the information you need to make an informed decision.

Top Boiler Manufacturers – Summary

  • Choose the right boiler make for your home to ensure optimal performance and energy efficiency.
  • Compare boiler manufacturers & prices based on quality, customer service, warranties, reputation and after-sales support.
  • Popular brands include Worcester Bosch, Vaillant, Viessmann & Ideal Boilers, offering reliable, efficient solutions with long warranty periods.

The Importance of Choosing the Right Boiler Make

No two homes are alike so your choice of boiler must be right for your circumstances, including the type of boiler, size of your property and how many people live there. 

Your heating experience and overall satisfaction can be greatly impacted by your choice of boiler so you must take care to consider the following:

  • Output options (in KW)
  • Efficiency rating
  • Reliability
  • Price
  • Warranty
  • Product range

Using these criteria will ensure that you invest in a boiler that will provide an energy-efficient heating solution for years to come. And, you’ll get that all-important peace of mind, knowing you invested in a quality brand. Check out our guide on what type of boiler you will need to learn more about choosing the best system for your requirements.

5 Top Boiler Brands

So, you may be wondering who the best boiler manufacturers are in the UK and what makes them so popular among homeowners.

In the UK boiler industry, several boiler brands stand out for their quality, reliability, and performance within the heating industry. Each offers a range of boiler types, including combi, system, and regular boilers.

Top boiler brands include:

  1. Worcester Bosch: A quality and long-established brand. Although priced on the higher end, the high efficiency and reliability are unmatched.
  2. Vaillant: Most Vaillant boilers have an A+ efficiency rating and are available in the mid to high price range
  3. Alpha: A budget-friendly option while maintaining high quality and good efficiency.
  4. Viessmann: An innovative brand featuring advanced boiler technology. Priced at the upper end, the payoff is long-term energy savings.
  5. Ideal: Offers cost-effective and reliable boilers suited to a wide range of budgets and home sizes. 

Let’s look at these brands in a little more detail.

1. Worcester Bosch Boilers

Worcester Bosch is a leading UK boiler manufacturer and has been awarded a Which? Best Buy award 14 years in a row.

“Year after year, Worcester Bosch tops our survey of gas boilers and they have yet again proved to be a brand that consumers can rely on.” Which? Best Boiler Brand Report 2023.

The most popular Worcester Bosch boiler makes are:

ModelAvailable OutputsWarrantyBest for
Greenstar 4000 Combi25kW and 30kW5 – 10 yearsHomes with one bathroom and average usage
Greenstar 8000 Life Combi30kW, 35kW, 40kW, 45kW, and 50kW5 – 10 yearsLarge homes with multiple bathrooms
Greenstar 2000 Combi25kW and 30kW5 – 10 yearsSmaller homes or flats with low to moderate demand
Greenstar 24i System24kW5 – 10 yearsHomes with more than one bathroom and multiple outlets
Greenstar 8000 Style30kW, 35kW, 40kW, 45kW, and 50kW5 – 10 yearsLarge homes with high demand
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

The company offers long warranties on many of its products, with some boilers eligible for up to 10 years of coverage.

Although Worcester Bosch is not the cheapest brand around, it is competitively priced, especially when you consider the quality.

Here’s what you can expect to pay for a Worcester Bosch boiler:

Worcester Bosch boiler typeCost
Combi£735 – £2,265
System£824 to £3,600
Conventional£759 to £2,220
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

Worcester Bosch Customer Reviews

With over 44,000 reviews under its belt, Worcester Bosch is currently rated 4.6 (excellent) by Trustpilot. 

Buyers praise its excellent customer care, boiler quality, and technician expertise.

2. Vaillant Boilers

Vaillant is a long-running family-owned company providing A-rated efficient boilers to homes of all sizes. Its combi and system boiler ranges also have the Quiet Mark accreditation for excellence in quiet product design. If you’re unsure about what size boiler you will need, check out our guide to help you make an informed decision.

The most popular Vaillant boiler models are:

ModelAvailable OutputsWarrantyBest for
ecoTEC Plus Combi25kW, 32kW, 35kW, and 38kW5 – 10 yearsSmall to medium homes with moderate demand
ecoTEC Pro Combi24kW, 28kW, and 30kW2 yearsSmaller homes or apartments with low to medium needs
ecoFIT Pure Combi25kW, 30kW, and 35kW2 – 10 yearsSmaller homes or flats with limited space
ecoFIT Pure System12kW, 15kW, 18kW, 25kW, and 30kW2 – 10 yearsMedium-sized homes with high demand and multiple outlets
ecoTEC Plus System15kW, 25kW, and 35kW5 – 10 yearsHomes with higher demand and multiple bathrooms
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

These are the average prices of Vaillant’s combi, system and regular boilers:

Vaillant boiler typeCost
Combi£850 – £1,920
System£780 – £2,800
Conventional£720 – £1,520
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

Vaillant Customer Reviews

Over 20,000 Trustpilot reviews rate Vaillant as 4.3 (excellent). Customers especially love the support, boiler efficiency, and quality.

3. Alpha Boilers

Alpha is a relative newcomer to the UK market and has firmly established itself as a reliable option for shoppers on a budget. Despite the low price, Alpha boilers have a good reputation and positive online reviews. 

The most popular Alpha boiler models are:

ModelAvailable OutputsWarrantyBest for
E-Tec Plus Combi28kW, 33kW, and 38kW10 – 13 yearsSmall to medium homes with moderate demand
E-Tec Combi28kW and 33kW7 yearsSmaller homes or flats where space is limited
E-Tec System20kW and 30kW7 yearsMedium-sized homes with multiple bathrooms
Intec GS Combi30kW and 40kW5 yearsHomes with higher demand and two or more bathrooms
Evoke Combi28kW and 33kW7 yearsSmall homes or flats with lower demand
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

These are the average prices of Alpha’s combi, system and regular boilers:

Vaillant boiler typeCost
Combi£590 – £996
System£825 – £3,860
Conventional£709 – £809
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

Alpha Customer Reviews

Alpha has amassed over 6,000 reviews on Trustpilot and has a particularly high score of 4.7 (excellent). Buyers rave about the professionalism and expertise of the team and, of course, the low price of the boilers.

4. Viessmann Boilers

Viessmann is a leading German boiler manufacturer known for its top-of-the-range, A+-rated energy-efficient boilers. So far, it has accumulated 7 Which? Best Buy awards for multiple systems, most notably in its Vitodens range.

The company’s boilers incorporate advanced technology, including its patented stainless steel heat exchanger—a more reliable and durable alternative to the aluminium heat exchangers found in other brands.

The most popular Viessmann boiler models are:

ModelAvailable OutputsWarrantyBest for
Vitodens 050-W Combi29kW and 35kW2 – 10 yearsSmall to medium-sized homes with one bathroom
Vitodens 100-W Combi26kW, 30kW, and 35kW2 – 12 yearsMedium-sized homes with up to two bathrooms
Vitodens 200-W Combi26kW, 30kW, 35kW, and 45kW2 – 12 yearsLarger homes with multiple bathrooms and high demand
Vitodens 100-W System19kW, 26kW, and 35kW7 – 10 yearsHomes with high demands and multiple bathrooms
Vitodens 200-W System19kW, 26kW, 35kW, and 49kW7 – 10 yearsLarge homes or properties with high demand
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

These are the average prices of Viessmann’s combi, system and regular boilers:

Alpha boiler typeCost
Combi£844 – £6,188
System£1,013 – £1,444
Conventional£794 – £1,358
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

Viessmann Customer Reviews

Almost 5,000 reviews rate Viessmann as 4.3 (excellent). Customers love the boilers’ compact size, quiet operation, and engineers’ support.

5. Ideal Boilers

Ideal is a popular British brand with a long history of producing budget-friendly boilers with a good range of features. Ideal produces both domestic and commercial boilers with models for combi, system, and conventional heating systems.

The most popular Ideal boiler models are:

ModelAvailable OutputsWarrantyBest for
Logic C30 Combi30kW10 yearsSmall to medium homes with one bathroom
Vogue Max Combi26kW, 32kW, and 40kW10 – 12 yearsMedium homes with two bathrooms and higher demand
Logic+ Combi24kW, 30kW, and 35kW7 yearsSmall to medium homes with moderate demand
Logic System15kW, 18kW, 24kW, and 30kW7 yearsHomes with more than one bathroom and higher demand
Logic Max System15kW, 18kW, 24kW, and 30kW10 yearsLarger homes with high demand and multiple outlets
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

Ideal Customer Reviews

Ideal has the highest Trustpilot rating out of our top 5 boiler brands. Over 47,500 reviews have given it a whopping 4.8 (excellent) score. Customers are very satisfied with its engineer service, customer support, and the efficiency of the boilers

Comparing Boiler Manufacturers & Prices

Here’s a quick reference guide so you can compare prices across the top five boiler manufacturers:

Boiler typeWorcester BoschVaillantAlphaViessmannIdeal
Combi£735 – £2,265£850 – £1,920£590 – £996£844 – £6,188£625 – £1,340
System£824 to £3,600£780 – £2,800£825 – £3,860£1,013 – £1,444£735 – £1,210
Regular£759 to £2,220£720 – £1,520£709 – £809£794 – £1,358£778 – £2,200
data correct as of 30-10-2024. online published installation prices: same boiler location, horizontal flue. 

How to Choose the Right Boiler Make for Your Home

When choosing a new boiler make, the size of your home is particularly important. 

  • Larger homes necessitate boilers with higher outputs to meet the increased heating and hot water requirements. 
  • In contrast, smaller homes or apartments benefit more from compact boiler sizes such as the combi boiler.
  • Additionally, the number of radiators, bedrooms, and bathrooms in your home should be taken into consideration to ensure energy efficiency and optimal performance.

Also, it is crucial to strike a balance between your budget and the features and efficiency you require in a boiler.

While this article has covered the top five boiler manufacturers in-depth, there are other popular brands you might like to consider, including:

Contact Eco Happy for Affordable Boiler Quotes

If you’re looking for an affordable price for a new boiler then look no further than Eco Happy.

All you need to do is complete the quick online form to get your free quote or get in touch with the Eco Happy team for more information.

Our established team of experts install high-quality boilers from known and reliable brands. We also provide full aftercare and ongoing maintenance so you can rest easy.

FAQs

Which boiler brand is best?

Viessmann and Worcester Bosch have been consistently rated as the best boiler brands in the UK, having bagged continuous Which? Best Buy awards over the years.

Alpha and Ideal also come highly recommended and have claimed the highest online review scores.

What is the most popular type of boiler in the UK?

Gas combi boilers are the most popular type of boiler in the UK, as they are more cost-effective and efficient than other types of boiler. They provide both hot water and central heating without the need for water storage tanks.

What are the best five combi boilers UK?

The five best-rated combi boiler brands and models in the UK are:

  • Worcester Bosch Greenstar 
  • Viessmann Vitodens
  • Alpha E Tec
  • Ideal Logic+
  • Vaillant EcoTec

What are the top boiler brands in the UK?

The UK’s leading boiler brands are Worcester Bosch, Vaillant, Ideal, and Viessmann.

What factors should I consider when selecting a boiler brand for my home?

When selecting a boiler brand for your home, ensure you consider factors such as efficiency, reliability, price, warranty and product range to get the best value for your money.

Our Verdict

Selecting the right boiler brand for your home is crucial for ensuring efficiency, reliability, performance, and value for money.

By understanding and comparing the top UK boiler makes and considering your specific home requirements you can make an informed decision on the best boiler for your needs.

James Elston

James Elston

Boiler Expert


James Elston is the top boiler replacement and heating expert at Eco Happy. He has over 20 years of experience in the industry, focusing on Gas Safe boiler installations and offering home-heating and energy-saving solutions to homeowners across the UK. From sourcing the most energy-efficient combi boiler to providing specialist heating advice, James ensures that Eco Happy maintains the highest standards and best customer service.

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