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Last updated: 15th August, 2024

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Top 5 Best Boiler Brand Manufacturers: A Comprehensive Comparison for 2024

Top 5 Best Boiler Brand Manufacturers: A Comprehensive Comparison for 2024

Key takeaways

  • Introduction to boiler brands and how to choose the right one for your home
  • Top 5 boiler brands of 2024 and their ratings
  • Detailed breakdown of each boiler brand, including key features and benefits
  • Tips for choosing the best boiler brand for your home, based on your specific needs and budget
  • Frequently asked questions about boilers, including installation, maintenance, and repair
  • Conclusion and final thoughts on choosing the right boiler brand for your home.
  • Try a new boiler quote, finance available including 0% APR.

Picture this: you're comfortably seated in your favorite chair, enjoying a hot cup of tea while rain falls outside. You feel warm and content, but suddenly, your boiler stops working. The comfortable atmosphere quickly turns cold. Don't worry, iHeat is here to help you find the best boiler brands available.

Join us as we navigate the vast market options. Our research has identified top-performing brands that are efficient, reliable, and offer great value.

Additionally, we'll discuss brands that provide substantial warranties. Read on as we introduce you to the top boilers for every homeowner.

Whether you're a first-time buyer or an experienced homeowner looking for new boiler costs, we aim to help you find the best boiler brand.

Prepare yourself for an informative journey through the world of these essential home appliances.

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How do you decide on the best boiler brand?

With many boiler brands vying for your attention, selecting the perfect one may feel daunting. Fear not, for we have distilled the essence of this complex decision into five key factors to consider when having a new boiler installation.

Armed with this knowledge, you'll be well-equipped to navigate the enchanting labyrinth of boiler brands confidently.

⚙️ Efficiency

Energy efficiency is The cornerstone of any boiler worth its salt. The higher the efficiency rating, the more heat you get for your hard-earned pounds.

Furthermore, eco-friendly models are gentler on our precious planet. Keep an eye out for the Seasonal Efficiency of Domestic Boilers in the UK (SEDBUK) rating or the ErP rating; the higher, the better.

✅ Reliability

In the realm of boilers, dependability is the game's name. A trusty boiler ensures your home remains a toasty sanctuary and saves you from the dreaded experience of unexpected repairs.

Dig into customer reviews, testimonials, and surveys to unearth those rare boiler brands that balance performance and reliability perfectly.

💰 Price and value for money

Regarding boilers, the age-old adage rings true: you get what you pay for. However, that doesn't mean you must splurge on a boiler with all the bells and whistles.

Seek out that sweet spot where quality and affordability intertwine, and you'll find a boiler that delivers bang for your buck.

🤙 Warranty and after-sales support

The boiler market can be treacherous, fraught with hidden pitfalls. A robust warranty is your trusty shield, protecting you from unforeseen calamities.

Top-notch after-sales support ensures you'll never be left out in the cold.

Seek boiler brands with a proven track record of excellent customer service, and you'll sleep soundly knowing you're in safe hands.

🧩 Range of products and compatibility

Each home is a unique tapestry of heating needs and preferences. A boiler brand that caters to diverse requirements is like a veritable treasure chest, ensuring you'll find a model that fits your home like a glove.

Explore each brand's offerings, and let your intuition guide you towards the one that speaks to your heart.

Let these factors be your compass, leading you through the enchanting world of boiler brands. By considering efficiency, reliability, price, warranty, and product range, you'll be well on your way to uncovering the boiler brand of your dreams.

Worcester bosch boiler brand logo

Worcester Bosch

Overview and history:

Founded in 1962, Worcester Bosch has become a household name in the UK for their top-notch heating and hot water products.

This British boiler brand has built a solid reputation for providing reliable and energy-efficient boilers, with a particular focus on innovation and customer satisfaction.

Worcester Bosch became a part of the Bosch Group in 1996, further strengthening its position in the market.

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Efficiency and performance

Worcester Bosch boilers consistently score high in efficiency ratings, with many models in their Greenstar range boasting an ErP rating of 'A' for heating and hot water.

Their condensing technology ensures that the boilers extract the maximum heat from the fuel, making them highly cost-effective and environmentally friendly.

Reliability and customer satisfaction

Worcester Bosch boilers are known for their exceptional reliability and longevity, making them a popular choice among homeowners and heating engineers.

The boiler brand has consistently been awarded the Which? Best Buy title reflects their commitment to quality and customer satisfaction.

Price range and value for money

While Worcester Bosch boilers may come with a slightly higher price tag than some competitors, their reputation for quality and reliability makes them a worthwhile investment.

With a range of products catering to different budgets, Worcester Bosch offers excellent value for money in the long run.

Warranty and after-sales support

Worcester Bosch provides extensive warranties on their boilers, with some models offering up to 10 years of cover when installed by a Worcester Accredited Installer.

Their after-sales support is highly regarded, with a dedicated customer service team and a nationwide network of service engineers ready to assist when needed.

Popular models and their features

The best Worcester boiler for you will depend on your home's size and your heating and hot water needs.

Some popular models in the Worcester Bosch range include:

Model

Benefits

Worcester Bosch 2000

A compact and efficient combi boiler ideal for small to medium-sized homes.

Worcester Bosch 4000

A slightly smaller version of the older Greenstar i, suitable for homes with limited space.

Greenstar CDi

A high-performance combi boiler designed for larger homes with multiple bathrooms.

Worcester Bosch's unwavering commitment to quality and innovation makes them a top choice for homeowners seeking a reliable and efficient boiler for their home.

vaillant boiler brand logo

Vaillant

Overview and history

Vaillant, a German company founded in 1874, has become a leading boiler brand in the UK and Europe. Known for their pioneering spirit, Vaillant introduced the first-ever gas-fired central heating system and the combi boiler, which revolutionised the heating industry.

Their strong focus on innovation and sustainability has made them preferred for eco-friendly and energy-efficient heating solutions.

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Efficiency and performance

Vaillant boilers consistently achieve high-efficiency ratings, with many models sporting an ErP 'A' rating for heating and hot water.

Their ecoTEC range of boilers boasts advanced condensing technology, ensuring optimal energy usage and reduced emissions.

Reliability and customer satisfaction

Vaillant is renowned for its reliability and high-quality products. The boiler brand has received numerous accolades and awards, including Which? Best Buy titles.

Vaillant boilers are known for their exceptional performance and customer satisfaction, making them popular among homeowners and engineers.

Price range and value for money

While Vaillant boilers might be slightly more expensive than some competitors, their reputation for quality, performance, and reliability makes them a wise investment.

With a range of models catering to various budgets, Vaillant offers excellent value for money in the long run.

Warranty and after-sales support

Vaillant provides comprehensive warranties on their boilers, with some models offering up to 10 years of cover when installed by a Vaillant Advance installer.

Their after-sales support is highly regarded, with a dedicated customer service team and a nationwide network of service engineers ready to assist when needed.

Popular models and their features

Some popular models in the Vaillant range include:

  • ecoTEC Pro: A compact and efficient combi boiler suitable for small to medium-sized homes.

  • ecoTEC Plus (new): A versatile combi boiler designed for larger homes, available in various heating outputs.

  • ecoTEC Exclusive Green iQ: A high-performance combi boiler with advanced energy-saving features and smart home compatibility.

  • ecoFIT Pure: A cost-effective and compact combi, system, or regular boiler option for homes with limited space.

Vaillant's dedication to innovation, sustainability, and customer satisfaction makes them a top contender for homeowners seeking a high-quality, reliable, and energy-efficient boiler.

alpha boiler brand logo

Alpha

Overview and history-

Alpha, a UK-based company, has been providing heating solutions since the 1960s. Alpha has become a prominent name in the boiler market with a strong focus on innovation, energy efficiency, and quality.

The boiler brand offers a wide range of heating products, including combi, system, and regular boilers, catering to various customer needs and preferences.

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Efficiency and performance

Alpha boilers are known for their energy efficiency and impressive performance. Many models feature an ErP 'A' rating for heating and hot water, ensuring reduced energy bills and a smaller carbon footprint.

Alpha's boilers utilise advanced technology to deliver optimal heating and hot water performance.

Reliability and customer satisfaction

Alpha has built a solid reputation for providing reliable, high-quality boilers. Their products are designed to last, and are committed to delivering an exceptional customer experience.

Alpha's strong track record of customer satisfaction makes them a popular choice among homeowners and heating engineers.

Price range and value for money

Alpha offers a competitive price range, making their boilers an attractive option for homeowners on a budget. Despite their affordability, Alpha does not compromise on quality or performance, ensuring excellent value for money.

Warranty and after-sales support

Alpha provides comprehensive warranties on their boilers, with some models offering up to 10 years of cover when installed by an Alpha Approved Installer.

Their after-sales support is highly regarded, with a dedicated customer service team and a nationwide network of service engineers ready to assist when needed.

Popular models and their features

Some popular models in the Alpha range include:

  • E-Tec: A compact and efficient combi boiler ideal for small to medium-sized homes.

  • Evoke A stylish and compact combi boiler with a user-friendly interface and excellent energy efficiency.

  • Intec2 XE: A reliable and efficient system boiler suitable for larger homes with multiple bathrooms.

  • InTec GS: A high-performance gas-saver combi boiler that maximises energy savings with an integrated GasSaver unit.

Alpha's commitment to innovation, affordability, and customer satisfaction makes them an appealing option for homeowners seeking a reliable, efficient, and budget-friendly boiler for their home.

viessmann boiler brand logo

Viessmann

Overview and history

Founded in 1917, Viessmann is a German manufacturer with a strong presence in the UK and worldwide. Known for its cutting-edge technology and commitment to sustainability, Viessmann offers a wide range of energy-efficient boilers, including combi, system, and regular boilers.

They are dedicated to providing innovative heating solutions that cater to various customer needs and preferences.

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Efficiency and performance

Viessmann boilers are renowned for their high efficiency and outstanding performance. Many models feature an ErP 'A' rating for heating and hot water, ensuring reduced energy bills and a smaller carbon footprint.

Viessmann's boilers incorporate advanced technology, such as their patented Inox-Radial stainless steel heat exchanger, which delivers optimal heating and hot water performance.

Reliability and customer satisfaction

Viessmann is known for its reliable and high-quality boilers, which have earned them numerous awards and accolades, including Which? Best Buy titles.

Viessmann's strong track record of customer satisfaction makes them a popular choice among homeowners and heating engineers.

Price range and value for money

While Viessmann boilers might come at a slightly higher price point than some competitors, their reputation for quality, performance, and reliability makes them a worthwhile investment.

With a range of models catering to various budgets, Viessmann offers excellent value for money in the long run.

Warranty and after-sales support

Viessmann provides comprehensive warranties on their boilers, with some models offering up to 10 years of cover when installed by a Viessmann Trained Installer.

Their after-sales support is highly regarded, with a dedicated customer service team and a nationwide network of service engineers ready to assist when needed.

Popular models and their features

Some popular models in the Viessmann range include:

  • Vitodens 050-W: A compact and efficient combi boiler suitable for small to medium-sized homes.

  • Vitodens 100-W: A versatile combi boiler available in various heating outputs, designed for larger homes.

  • Vitodens 200-W: A high-performance combi boiler with advanced energy-saving features and smart home compatibility.

  • Vitodens 300-W: A premium wall-mounted gas condensing boiler that offers maximum comfort, efficiency, and performance.

Viessmann's dedication to innovation, sustainability, and customer satisfaction makes them a top contender for homeowners seeking a high-quality, reliable, and energy-efficient boiler.

Ideal

Overview and history

Ideal, a UK-based company founded in 1906, has become a prominent boiler brand with a strong presence in the UK market.

Their commitment to innovation, quality, and reliability has made them a preferred choice among homeowners and heating engineers.

Ideal offers a wide range of heating products, including combi, system, and regular boilers, catering to various customer needs and preferences.

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Efficiency and performance

Ideal boilers are known for their energy efficiency and impressive performance. Many models feature an ErP 'A' rating for heating and hot water, ensuring reduced energy bills and a smaller carbon footprint. Ideal's boilers utilise advanced technology to deliver optimal heating and hot water performance.

Reliability and customer satisfaction

Ideal has built a solid reputation for providing reliable, high-quality boilers. Their products are designed to last and are committed to delivering an exceptional customer experience.

Ideal's strong track record of customer satisfaction makes them a popular choice among homeowners and heating engineers.

Price range and value for money

Ideal offers a competitive price range, making their boilers an attractive option for homeowners on a budget. Despite their affordability, Ideal does not compromise on quality or performance, ensuring excellent value for money.

Warranty and after-sales support

Ideal provides comprehensive warranties on their boilers, with some models offering up to 10 years of cover when installed by an Ideal Accredited Installer.

Their after-sales support is highly regarded, with a dedicated customer service team and a nationwide network of service engineers ready to assist when needed.

Popular models and their features

Some popular models in the Ideal range include:

  • Logic+: A compact and efficient combi boiler ideal for small to medium-sized homes.

  • Vogue Max: A premium combi boiler with a stainless-steel heat exchanger and advanced energy-saving features.

  • Logic Max: A reliable and efficient system boiler suitable for larger homes with multiple bathrooms.

  • Mexico HE: A high-performance floor-standing heat-only boiler that offers exceptional performance and flexibility.

Ideal's commitment to innovation, affordability, and customer satisfaction makes them an appealing option for homeowners seeking a reliable, efficient, and budget-friendly boiler for their home.

Honourable Mentions

Baxi

Baxi is a well-established UK boiler brand with a long history in the boiler industry. Known for their high-quality and reliable boilers, Baxi offers a range of energy-efficient combi, system, and heat-only boilers suitable for various homes.

Their Duo-tec, Megaflo, and Platinum series are popular choices among homeowners, providing excellent value for money.

Glow-worm

Glow-worm is another British boiler brand with a solid reputation for producing reliable and efficient boilers.

Their Energy, Ultimate, and Betacom series cater to a wide range of customer needs and budgets, making them an attractive option for homeowners seeking a cost-effective heating solution.

Ariston

Ariston, an Italian boiler brand, offers a selection of energy-efficient and reliable combi, system, and regular boilers.

Their Clas, E-Combi, and Genus series are well-regarded in the UK market, providing homeowners with excellent performance and value for money.

Potterton

Potterton is a UK-based company with a long history in the heating industry. Known for its durable and efficient boilers, Potterton offers a range of products to suit various needs and budgets.

Their Titanium, Gold, and Promax series are popular among homeowners and heating engineers.

These honourable mentions and the top five boiler brands discussed earlier provide homeowners with many options for selecting the best boiler brand for their needs.

It's always a good idea to research and consult with professionals to ensure you make the most informed decision for your home.

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Conclusion: Making the Right Choice for Your Home

Selecting the best boiler brand for your home is a crucial decision that requires careful consideration of various factors, including efficiency, reliability, performance, and value for money.

The top five boiler brands we've discussed – Worcester Bosch, Vaillant, Alpha, Viessmann, and Ideal – all offer a diverse range of models and features to cater to different needs and preferences.

As a homeowner, it's essential to assess your requirements, such as your home's size, layout, and heating demands, before deciding.

It's also wise to consult with a professional heating engineer or installer to get their expert opinion on which boiler brand and model would best suit your home.

Don't forget to consider each boiler brand's warranty, after-sales support, and customer satisfaction ratings, as these factors can significantly impact your overall experience as a boiler owner.

At iHeat, we understand the importance of making an informed decision when choosing the right boiler brand for your home.

Our team of experts is always on hand to provide guidance and support, helping you find the perfect boiler to meet your needs and keep your home warm and comfortable for years.

So, why not contact us today and help us find the ideal boiler for your home?

With iHeat, you can rest assured that you're in good hands and that your home's heating needs will be handled with the best boiler brands available.

Tips for Making the Right Choice

When choosing the best boiler brand for your home, it's essential to consider several factors to ensure you make the most informed decision possible. Here are some tips to help you make the right choice:

Assess Your Specific Heating Needs and Preferences

Before selecting a boiler brand or model, take the time to evaluate your home's unique heating needs and preferences. 

Consider factors such as the size and layout of your home, the number of rooms and bathrooms, and the overall heating demand. 

This assessment will help you narrow down your options and choose a boiler that can effectively meet your requirements.

Consult with a Professional Engineer

Seeking advice from a qualified heating engineer or installer can provide valuable insights into which boiler brand and model best suits your home. 

These professionals have extensive experience and knowledge of different boiler brands and their features, making them well-equipped to guide you in decision-making. 

They can also help you determine the appropriate boiler size and type (combi, system, or regular) based on your needs.

Consider Long-Term Costs and Benefits

While the initial cost of a new boiler is certainly important, it's also essential to consider the long-term costs and benefits.

Energy efficiency, reliability, and durability factors can significantly impact your ongoing energy bills and maintenance expenses.

Investing in a high-quality, energy-efficient boiler may cost more upfront but could save you money in the long run through reduced energy consumption and fewer repairs.

Look for Customer Reviews and Testimonials

Customer reviews and testimonials can provide valuable insights into the boiler brands' real-world performance, reliability, and customer satisfaction. 

Review reviews and gather opinions from friends, family, and neighbours who have experience with various boiler brands. 

This information can help you make a more informed decision and choose a boiler with a proven track record of delivering excellent results for homeowners like you.

By considering these tips and weighing your options carefully, you can select a boiler brand that meets your needs and preferences. 

iHeat New Boiler Costs

Boilers can be a daunting purchase for many people as they’re an appliance with a lot of responsibility, providing heat for you and your family is something you want to get right. Boilers aren’t exactly a quickly disposable item either, potentially lasting you a decade.

Effectively, new boiler cost can be split into two segments: the first is the actual boiler itself (unit price), and the second is the cost of the boiler being installed (set up) in your property by an expert engineer. 

Here at iHeat, we want to remove all of this undue stress and make the decision making process of upgrading to a new central heating system, as easy as possible.

Boiler costs can vary depending on a number of factors including their brand, model, fuel, output, warranty, labour and installation type. Typically a new boiler will cost between £1,845 and £3,500, below is a list of average boiler installations offered by iHeat (guide only).

Installation Type

Price (inc VAT)

Combi to combi swap

£1,845

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System to combi conversion

£2,499

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New boiler install

£2,899

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Back boiler to a combi

£3,299

Get a quote

System to system

£1,945

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Frequently Asked Questions

Which boiler brand is the most reliable?

Brands like Vaillant, Worcester Bosch, and Ideal are often considered the most reliable due to their strong reputations for quality, durability, and customer satisfaction.

What type of boiler is the best?

The best type of boiler depends on your needs. Combi boilers are ideal for smaller homes due to their compact size and efficiency. System and regular boilers are better for larger homes with multiple bathrooms due to their ability to store hot water.

What is the number one boiler in the UK?

As of 2024, the Worcester Bosch Greenstar range is often considered the number one boiler in the UK due to its high efficiency, reliability, and excellent customer reviews.

Which boilers are most energy efficient?

Modern condensing boilers are among the most energy-efficient. Brands like Vaillant and Worcester Bosch offer models with high efficiency ratings, often above 90%.

How much should a new boiler cost me?

The cost of a new boiler can vary widely based on type and size. On average, a new boiler installation in the UK can range from £1,500 to £3,500, including installation.

What type of boiler is the cheapest to run?

Combi boilers are generally the cheapest to run due to their on-demand heating system, which avoids the cost of maintaining a hot water storage tank. However, the cheapest option depends on your specific heating needs and energy rates.

What are the disadvantages of a combi boiler?

Disadvantages of combi boilers include limited hot water flow rate, which may not be sufficient for larger homes with multiple simultaneous demands; no hot water storage, which means losing both heating and hot water if the boiler fails; and they may not be ideal for homes with low water pressure.

Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.