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Last updated: 24 May 2024

Best Boiler Brands in the UK (2024): The Top Companies

boiler brands hero
  • Find out the best brands and their boilers
  • Compare the best sellers from each brand
  • Make an informed decision on which boiler would be best for your home.

When the time comes to replace or upgrade your boiler, the sheer array of boiler brands and models available can be overwhelming. It’s so easy to feel paralysed by choice while finding your way through the maze of technical jargon and confusing specifications.

All manufacturers of boilers boast their unique selling points, promising energy efficiency, durability, and innovative technology. Yet, it’s crucial to sift through the noise and focus on factors that truly matter to your household. 

In this article, Household Quotes will guide you through this labyrinth of boiler makes and empower you to make an informed decision.

However, even when you know which boiler to choose, finding the right installer can be another challenge. You can spend days or weeks calling and vetting experts, often without actionable quotes on your hands.

Household Quotes can help you make light work of this laborious and time-consuming task. Simply fill out our 30-second form and we’ll provide you with 3 quotes from professional installers near you. Our service is free and non-binding. Click below to begin.

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Best boiler brands in the UK: our methodology

boiler brands methodology

While going through the plethora of boiler manufacturers in the UK, it’s a good idea to have some criteria to guide you in finding the best boiler companies. 

We selected our top companies based on the following criteria:

  • History and experience – this has to do with the company’s background and reputation in the boiler industry. A company with a distinctive innovation and quality history is a good indicator of a company that produces reliable boilers.
  • Efficiency – a brand that produces boilers that are energy-efficient, money-saving, and sustainable.
  • Customer reviews – positive feedback from customers shows a high level of customer satisfaction after using a well-designed and reliable product.
  • Price range – a boiler with a competitive price is accessible to a wider audience.
  • Warranty – a longer warranty period provides peace of mind for homeowners and reduces the risk of unexpected repair costs.
  • Customer service – high-quality customer service, responsiveness, and helpfulness contribute to a positive general experience for homeowners.
  • Model range – the more diverse the model range, the better; this way, installers can cater to a wider range of homeowners with different boiler needs.

Based on these factors, we’ve compiled our list of the best boiler manufacturers in the UK. This way, you will be able to make an informed decision and find out which boiler brands to avoid based on your preferences and needs. 

For financial help with your installation, find out more about new boiler grants.

Top 8 boiler manufacturers list in the UK

Based on the abovementioned factors, we have chosen the following companies as the best boiler manufacturers in the UK:

#1 Worcester Bosch


Worcester Bosch was founded in 1962 in Worcester, England. Currently, Worcester Bosch boilers are manufactured in different locations, including the UK, Germany, and China. 

Considered to be a pioneer in the boiler industry, the company gained a favourable reputation for its groundbreaking boiler features. 

Worcester Bosch’s modular boiler designs cater to properties with different heating requirements. Also, the company’s feature Flue Gas Analysis (FGA) System helps monitor combustion efficiency and gas quality for optimal performance and minimal harmful emissions.

Which?, an organisation providing unbiased and reliable reviews, awarded Worcester Bosch a Which? Best Buy for 14 years in a row. 

Best sellers
Worcester Greenstar 25i25£1,885
Worcester Greenstar 30i30£1,985
Worcester CDi Compact28£2,095(0% APR available)
Worcester CDi Compact32£2,370(0% APR available)
Worcester 8000 Style30£2,395(0% APR available)

#2 Alpha 


Alpha Heating Innovation was established in 1966 in Italy. The company offers multiple features to enhance performance and efficiency. Alpha boilers boast energy-saving, smart temperature control, and modular design features which cater to the diverse needs of different homes and heating requirements.

Alpha places a strong emphasis on customer satisfaction, offering generous warranties of up to 13 years and running a loyalty program BoilerCare which awards installers with points for every registered Alpha boiler. 

Together with that, Alpha demonstrates its environmental responsibility by using recycled and recyclable materials. Alpha Heating won the Safety Initiative of the Year for its dedication to safety and innovation in the heating industry.  

Best sellers
Alpha E-Tec Combi28£1,575
Alpha E-Tec Combi33£1,745

#3 Biasi


Leopoldo Biasi introduced Biasi boilers in 1938, initially as a small thermomechanical manufacturer. In the 1940s, the company shifted its focus to domestic heating systems.

Currently, Biasi provides an impressive range of combi and system boilers available in various sizes and price points. With certified installers and excellent after-sale support, locating a nearby installer is convenient. 

Biasi prioritises the use of sustainable materials in their boiler designs, demonstrating their commitment to environmental responsibility.

Best sellers
Advance Plus 7 19.5£650
Advance Plus 724.4£675
Advance Plus 729.5£725

#4 Ariston


Ariston was founded in Modena, Italy, in 1966. Ariston boilers are known for their 98% efficiency, making them one of the most efficient boilers on the market. 

The company is also dedicated to delivering the best customer experience and offers warranties of up to 12 years which for sure gives customers peace of mind. 

Ariston boilers help reduce energy consumption through energy-saving, remote monitoring and smart control features which adjust the heating depending on consumption habits and weather. 

In 2022, Ariston was awarded the Red Dot Design Award for innovative design and functionality.

Best sellers
Clas Net One 24£650
Atleas Net One30£950
Genus One Net24£750

#5 Baxi


Baxi was founded in Stoke-on-Trent, England in 1866. Baxi boilers are aligned with a zero-carbon future, user-friendly design, and energy efficiency, Baxi is one of the most reputable system, regular, and combi boiler manufacturers. 

As a part of their dedication to eco-friendly practices, Baxi has developed a hydrogen-fueled boiler. Furthermore, Baxi has entered into a Memorandum of Understanding (MoU) with H2PO Power to pioneer innovative green hydrogen-based technology addressing heat decarbonisation and energy reliability. 

Best sellers
200 Combi 224£610
400 Combi 230£1050
600 Combi 224£700

If you’re unsure which boiler companies in the UK offer an option suitable for your household, it’s best if you ask a professional. They can provide tips as well as quotes so that the cost of a new boiler aligns with your budget and requirements. 

Yet calling and vetting boiler installers on your own can drag on for days with no trustworthy contacts at your fingertips. 

Thankfully, Household Quotes can save you time. Fill out our simple, 30-second form and we’ll provide you with 3 quotes from boiler experts in your area. Our service is free and doesn’t bind you to accept any quotes. Click below to begin.

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#6 Ideal


Founded in Stuttgart, Germany in 1906 Ideal is one of the most famous German boiler brands. Ideal is dedicated to incorporating innovative technology and unique features into Ideal boilers

For example, Low Water Content Technology helps reduce noise levels and make Ideal boilers corrosion-proof. The feature of eco modes and modulation control automatically adjusts the boiler’s output to match the actual heating demand and for further cost-effectiveness and durability.

Best sellers
Logic Max 24£670
Vogue Max24£700
Vogue Gen224£740

#7 Viessmann


Viessmann is another German boiler brand established in 1917. The company is renowned for its commitment to sustainability and technological advancement, reaching up to 98% efficiency in its boilers. 

Viessmann has developed the VarioMatch Technology thanks to which boilers can adapt their output to the exact heating demand of the home, ensuring optimal efficiency. The EcoPlus Mode, offered by the Viessmann boilers, helps minimise energy consumption when not active. 

You can also control your Viessmann boiler remotely through a smartphone app thanks to the company’s Intelligent Control System.

Best sellers
Vitodens 200-W 32£900
Vitodens 050-W35£1,200
Vitodens 100-W/111-W32£1,000

#8 Vaillant


Vaillant was founded in Germany in 1874 and is among the most reputable German boiler brands. This company is a leading global provider of heating, cooling, and renewable energy solutions. 

Vaillant boilers are known for their unique features like Hybrid Heating Systems and EcoDesign and Modulation technologies. These features ensure minimal environmental impact, cost-effectiveness, and high efficiency. 

Best sellers
ecoTEC plus25£650
ecoFIT pure32£920

Here’s a quick run-down on the boilers we mentioned and their most distinctive features:

Boiler brands overview
BrandCustomer reviewsWarrantyUnique featuresPrice range
Worcester Bosch4.6 (41,075 reviews)Up to 12 yearsModular design, FGA system, Heat Recovery Condensing Technology£655–£4,000
Alpha Heating Innovation4.6 (5,033 reviews)10 yearsWater Saving Technologies, Smart temperature Control£616–£2,900
Biasi4.0 (510 reviews)7 yearsHybrid Heating system, Eco-friendly materials£659–£1,900
Ariston3.6 (972 reviews)12 yearsRemote Monitoring and Control, Energy Saving Features£640–£2,800
Baxi4.6 (54,453 reviews)10 yearsFGA system, Low-Nox Technology£610–£2,900
Ideal Heating4.8 (39,953 reviews)10 yearsLow Water Content, Condensing Technology£826–£1,692
Viessmann4.0 (4,485 reviews)7 yearsVarioMatch Technology, EcoPlus Mode£851–£1,453
Vaillant4.4 (19, 853 reviews)10 yearsHybrid Heating Systems, Modulation technology£854–£2,164

Other boiler manufacturers

Surely, there are other central heating boiler manufacturers. Whether you choose the makes of boilers from our list or not is solely up to you. Whether you’re looking specifically for gas boiler brands or combi boiler manufacturers, there are a few things to take into consideration. 

There are other makes of best combi boilers, system boilers, and regular boilers worth your attention. For example, Vokera, Daikin, ATAG, Ferroli and the list goes on. Do your research on what’s available in your region and what aligns with your budget.

Yet before anything else, consider the necessity of an OFTEC licence and Gas Safe Register certification for the safest and best gas boilers

If you decide to choose a brand that hasn’t been mentioned in this article, go for companies that offer longer warranties and have favourable feedback from other customers. You can also consult a professional installer to find what other brands are a popular choice for the time being.

Conclusion: what’s the best boiler brand for your home?

Choosing the right boiler brand for your home is an important decision that can impact your comfort, energy bills, and overall home value. While there is no single “best” brand for everyone, the top options like Worcester Bosch, Vaillant, Viessmann, Ideal, and Baxi offer a balance of reliability, efficiency, innovation, and affordability. 

By considering your specific needs, budget, and lifestyle, you can find the perfect boiler to keep your home warm, cosy, and energy-efficient for years to come.

Here are some steps to take while choosing between brands:

  1. Reputation matters: Choose boiler brands with a proven track record of quality, reliability, and customer satisfaction.
  2. Consider your needs: Assess the size of your home, number of bathrooms, and energy usage to determine the appropriate boiler size and type.
  3. Evaluate features: Assess the features that are important to you, such as smart home compatibility, extended warranties, and innovative technology.
  4. Shop around for the best price: Get quotes from several different boiler installers to compare prices and services.
  5. Seek professional installation: Entrust the installation of your new boiler to a qualified and experienced technician to ensure proper operation and safety.

We can help to narrow down your search quickly and easily. Just answer a few simple questions about your housing situation and we’ll connect you with 3 reputable installers in your area. Our service is free and non-binding, and it only takes 30 seconds. Click below to begin.

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Anna Brui
Written by Anna Brui, Writer

Anna transitioned from teaching due to her passion for renewable energy and sustainability. She now inspires eco-friendly practices and ethical consumerism, fostering compassion and environmental consciousness.

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