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Last updated: 11th March, 2024


Baxi Boiler Reviews

Baxi Boiler Reviews

Key takeaways

  • Baxi continues to deliver a diverse and reliable range of boilers in 2024.
  • Energy efficiency and customer satisfaction remain central to Baxi's market appeal.
  • Comparative brand analysis is crucial for informed boiler selection.

Baxi, a significant player in the UK heating industry, has carved out a reputation for delivering a diverse range of energy-efficient boilers.

Choosing the right boiler is essential for maintaining home comfort, especially during colder months. Baxi, one of the prominent manufacturers in the UK and part of the BDR Thermea Group, is known for offering an extensive range of boilers that cater to various household needs. 

Their 2024 line-up exhibits a commitment to innovation, customer satisfaction, and energy efficiency, with models that promise to be both reliable and cost-effective.

The boilers available in the Baxi 2024 range are designed to suit a diversity of homes, offering solutions whether for those with lower water pressure or multiple bathrooms. 

Servicing and maintenance form an integral part of the user experience, enhanced by the professionalism shown by Baxi's customer service teams. In the broader market, comparisons with competitive brands like Worcester Bosch reveal the strengths and trade-offs of Baxi's offerings, leading consumers to weigh up performance, cost, and longevity when selecting their next boiler.

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Overview of Baxi

Baxi, a significant player in the UK heating industry, has carved out a reputation for delivering a diverse range of energy-efficient boilers. With a history stretching back over centuries, the brand stands today as a hallmark of innovation in the European boiler market.

History and Brand Reputation

Established in the 19th century, Baxi has grown to become a prominent name within the heating sector, recognised for its dependable central heating solutions. Now part of the international BDR Thermea group, Baxi is among the leading manufacturers in Europe, with a strong presence most notably in the UK. Customer satisfaction surveys point to a solid brand reputation, with Baxi boilers yielding favourable reviews from users appreciating their reliability and performance.

Range of Baxi Boilers

Baxi's boiler range encompasses various types, including combi boilers, system boilers, and conventional boilers. Notably, models such as the Baxi Duo-tec Combi 24 and the Baxi 800 Combi cater to the diverse needs of small to medium-sized homes, whilst the Baxi 400 Heat, which is a heat only boiler, suits properties with multiple bathrooms and lower water pressure. These boilers are designed to integrate seamlessly with both newly built and existing heating systems, promising a harmonious fit with radiators and hot water cylinders.

Technological Innovations

Baxi boilers are loaded with latest technological advancements, including smart controls for enhanced user experience and energy management. Features such as the stainless steel heat exchanger exemplify the brand's commitment to efficiency and longevity. Additionally, select Baxi models come equipped with the Adey Micro2 magnetic system filter, serving to protect the boiler and the heating system from contaminants, thus improving the unit's durability.

Design and Compactness

A standout aesthetic feature of Baxi boilers is their compact design. The boilers are notably accommodating to homes with limited space, with the Baxi 400 Heat being light enough to be housed in a standard kitchen cupboard. The option of either top or rear flues increases the versatility of installation, making replacements straightforward for older boilers. With compact dimensions, Baxi has effectively addressed the spatial challenges faced in modern living environments.

Performance and Efficiency

Evaluating the Baxi 2024 range of boilers reveals a commitment to high-performance operation and energy efficiency. Key features include the incorporation of advanced heat exchangers and the ability to deliver ample hot water with substantial flow rates, whilst also considering environmental sustainability.

Heating Efficiency

The Baxi boilers are designed with energy efficiency at the forefront. The latest models consistently achieve an A-rated energy efficiency status, the hallmark of optimised fuel utilisation. They incorporate state-of-the-art heat exchangers that effectively transfer heat with minimal waste.

  • Heat Exchanger: Optimal design ensures maximum transfer of heat from the combustion process to the home heating system.

  • Energy Rating: Baxi boilers typically hold an A-rating for energy efficiency, meaning more warmth per unit of fuel consumed.

Hot Water Performance

Baxi's proficiency is not limited to heating. Their combi boilers boast a formidable hot water flow rate that ensures a reliable supply even in homes with multiple bathrooms. This performance attribute negates the fear of a cold shower on a busy morning.

Environmental and Sustainability Considerations

Sustainability remains a focal point for Baxi. Their efficient boilers contribute to reduced carbon emissions, aligning with the UK's environmental targets. The design and operation principles of Baxi boilers take into account the long-term sustainability goals, which makes them a choice well-aligned with eco-conscious users.

  • Eco-friendly: Advanced technologies translate into lower CO2 emissions.

  • Longevity: Durable boilers mean fewer replacements and less waste.

Product Range in depth and Features

Baxi's 2024 boiler range features versatile models suited to a variety of household needs. They've advanced technologically, with upgraded features that cater to energy efficiency and user convenience.

Baxi Combi Boiler Models 2024 and key features

The Baxi 800 Combi and Baxi Duo-Tec Combi 24 represent the brand’s commitment to combining heating and hot water supply into one compact unit. The Baxi 800 Combi boasts a central heating output of 26.4kW and a hot water output of 36kW, while the Baxi Duo-Tec Combi 24 is apt for smaller homes with its 24kW central heating (CH) output. Noteworthy is the addition of the EasyFill feature enabling homeowners to re-pressurise their system effortlessly.

  • Baxi 800 Combi:

    • CH Output: 26.4kW

    • Hot Water Output: 36kW

  • Baxi Duo-Tec Combi 24:

    • CH Output: 24kW

    • Contains EasyFill

Baxi System Boiler Models 2024 and key features

In the system boiler category, the Baxi 800 System stands out. Designed for homes with high hot water demand, it works with a separate cylinder. The model ensures a stable supply of hot water to multiple bathrooms, making it ideal for larger households.

  • Baxi 800 System:

    • Suited for high hot water usage

    • Works with a separate cylinder

Baxi Regular (Heat-Only) Boiler Models 2024 and key features

The Baxi 400 Heat is a notable performer in the regular, heat-only boiler segment. It’s adaptable for either a top or rear flue, enhancing its applicability as a replacement for older efficiency boilers. This model is suitable for homes with low water pressure and multiple bathrooms.

  • Baxi 400 Heat:

    • Top/rear flue option

    • Ideal for low water pressure homes

Advanced Features Across the Range

Across the 2024 range, Baxi boilers have integrated smart controls that cater to heightened efficiency and user control. This, combined with improved energy efficiency ratings, places Baxi boilers as attractive options in the UK market. The manufacturer continues to streamline designs, delivering boilers that integrate seamlessly into the modern home.

Servicing and Maintenance

Regular servicing is essential for maintaining the efficiency and longevity of Baxi boilers. The manufacturer advises annual checks to ensure the safe and effective operation of the heating systems. Customers find arranging these services straightforward, often with the option to book an appointment via text or phone.

A typical maintenance check involves:

  • Inspecting: Key components are examined for operational integrity.

  • Cleaning: The boiler's interior is cleaned to prevent blockages and inefficiency.

  • Testing: Safety devices are tested to confirm they meet regulatory standards.

Experienced Baxi service engineers conduct these examinations punctually and professionally. The feedback suggests both an appreciation for their dependability and a high level of satisfaction with the services rendered. It's noted that Baxi has built a commendable reputation over the years for their customer service.

Homeowners are recommended to keep a documented history of their boiler's maintenance, which can be crucial for warranty claims. Baxi provides support through various customer service channels to address any concerns or queries related to servicing.

Maintenance Tips:

  • Annual Service: Book a yearly service to ensure your boiler runs optimally.

  • Error Codes: Refer to the boiler's manual for guidance on displayed error codes.

  • Pressure Checks: Monitor your boiler's pressure gauge; re-pressurising may be necessary.

While Baxi boilers are known for reliability, consistent servicing mitigates against unexpected issues and maintains performance. Remember, servicing isn't just about repairs, it's about proactive care for your home heating investment.

Cost Considerations

When assessing Baxi boilers, it's important to not only consider the initial purchase price but also the long-term financial impact, such as maintenance and potential energy savings.

Cost of Ownership

The purchase price of Baxi combi boilers typically falls between £730 and £1,300. This cost can vary depending upon factors like model selection and outputs, which are designed to match different household needs. However, ownership costs extend beyond the price tag. Regular maintenance and servicing are necessary to ensure the boiler's performance remains optimal and to extend its lifespan, effectively making it a more affordable choice in the long run due to its long-lasting nature.

  • Maintenance Costs:

    • Annual servicing: approximately £60 - £100

    • Replacement parts (if out of warranty): variable

Savings in the Long Run

Investing in a Baxi combi boiler can lead to savings over time. High-performance models specifically designed for efficiency can help reduce monthly energy bills. With proper maintenance, Baxi boilers can be a cost-effective solution as they need less frequent repairs due to their long-lasting build. Additionally, opting for a model with a high energy-efficiency rating might come with a higher initial cost but can result in substantial savings in energy expenses.

It's clear that Baxi boilers are positioned to offer affordable heating solutions while considering the intricacies of cost versus performance and longevity.

Comparative Analysis

This section provides a detailed look at Baxi's 2024 range of boilers in comparison to its competitors, scrutinising features such as boiler efficiency, size dimensions, and customer satisfaction levels.

Baxi vs Competitor Brands

Baxi: Renowned for its customer satisfaction, Baxi boasts a strong presence in the European market with varied options to cater for different needs. According to customer surveys, the satisfaction rate hovers around 74% which is a testament to the brand's reliability and service. The Baxi 600 model is illustrative of the brand’s dedication to versatile boiler solutions, with dimensions of 390mm x 700mm x 285mm (W x H x D), providing a viable option for many homes.

Worcester Bosch: In contrast, the equivalent Worcester Bosch model, the Greenstar 12, comes with slightly different proportions of 390mm x 600mm x 270mm (W x H x D). While sizing is comparable, decisions often hinge on brand reputation, technological advancements, and the specific requirements of households.

Ideal Boilers: Another well-established brand, Ideal Boilers, has been in operation since 1906, integrating innovative technology into its combi boilers. Though their historical expertise is significant, the precise comparison in the context of the 2024 range is subject to the specific models in question and their respective features.

Across these brands, various factors such as energy efficiency ratings, boiler types (e.g., combi, system, heat only), and user interfaces are important considerations. Baxi’s models, like the Baxi 400 Heat, offer flexibility with top or rear flue options, simplifying replacement scenarios particularly in the case of upgrading from old standard efficiency boilers. In every case, personal circumstances and space constraints will guide the ultimate decision for consumers.

Final Thoughts

In assessing Baxi's 2024 boiler range, the brand continues to garner considerable trust from its users. Customer feedback highlights a robust satisfaction rate, indicating solid reliability in their latest offerings. Baxi's standing as a significant manufacturer in Europe lends weight to its reputation, reinforcing consumer confidence.

Their product spectrum caters to a wide array of needs. The Baxi 800 series, for example, strikes a balance between cost-efficiency and performance. While it may eschew some of the high-end features present in luxury models, it provides commendable energy efficiency, an aspect critical in today's environmentally-conscious market.

The company's aftercare service adds an extra layer of reassurance. Customers frequently cite Baxi's swift and reliable customer service, as well as the ease of arranging appointments with service engineers who demonstrate professionalism and punctuality.

  • Reliability: Baxi's boilers are reputed for their dependability.

  • Customer Service: The brand is well-reviewed for efficient and effective service.

  • Brand Trust: Long-standing industry presence bolsters consumer trust.

  • Recommendation: The high customer satisfaction rate suggests a positive recommendation trend.

Deciding on a boiler is significant; it impacts long-term home comfort. The 2024 range of Baxi boilers, with their emphasis on satisfying varied homeowner demands, substantiates their position in the boiler market. This positions Baxi as a brand worthy of consideration for those seeking a blend of performance, reliability and service.

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


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System to combi conversion


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New boiler install


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Back boiler to a combi


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System to system


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Frequently Asked Questions

Is Baxi a good make of boiler?

Baxi boilers enjoy a positive reputation. They are known for their reliability and have a high customer satisfaction rate.

Is Baxi better than Vaillant?

Determining whether Baxi is better than Vaillant hinges on individual circumstances. Each brand offers unique benefits; Baxi is celebrated for variety and service, while Vaillant is known for innovative technology.

Is a Baxi boiler any good?

Baxi boilers are regarded as a solid choice. They tend to provide effective heating solutions and are often recommended for their high-quality manufacturing and performance.

Why is my Baxi boiler not firing up?

A Baxi boiler may not fire up due to several issues, such as low water pressure, a faulty thermostat, or a disruption in gas supply. It's advisable to consult the user manual or a professional to diagnose the specific cause.

How do I get my Baxi boiler to ignite?

To ignite a Baxi boiler, ensure the power supply is on, the thermostat is set correctly, and, if it has manual ignition, follow the steps outlined in the boiler's manual. If these steps do not resolve the issue, contacting a certified technician is the next course of action.

Why is my boiler not kicking in when I turn on the heating?

If your boiler is not activating with the heating, this could be related to a range of issues from a malfunctioning diverter valve to incorrect thermostat settings. It might require a detailed inspection to identify and correct the issue.

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.