Baxi boilers strike a commendable balance between affordability, efficiency, and reliability, making them a popular choice for homeowners seeking a robust and cost-effective heating solution. While some models may be slightly noisier, the diverse range of options available means there’s likely a Baxi boiler that fits most homes’ specific needs.
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Baxi boilers reviews
Baxi boilers offer a good balance of affordability, efficiency, and reliability. They are particularly suited for homeowners looking for a robust and cost-effective heating solution. While some models may be slightly noisier, the wide range of options ensures that there’s likely a Baxi boiler that fits most homes’ specific needs.
Popular Baxi Boiler Models
1- Baxi 800 Combi
This model is one of Baxi’s top-selling combi boilers, known for its efficiency and compact size. It features a stainless steel heat exchanger and comes with a 10-year warranty.
Features
- It includes built-in pipes
- an Adey Magnaclean Micro2 magnetic system filter
- easy servicing access.
- Best For: Small to medium-sized homes with limited space.
2-. Baxi Duo-tec Combi
The Duo-tec is another popular model, offering high efficiency and ease of use. It has won several awards, including the CORGI Boiler of the Year.
Features
- It features a simple control panel
- excellent energy efficiency
- compatibility with Baxi’s optional uSense smart thermostat
- Best For: Medium to large homes needing reliable and efficient heating and hot water.
3- Baxi EcoBlue+ Heat
A heat-only boiler, the EcoBlue+ is designed for homes that have a separate hot water storage cylinder. It is compact, lightweight, and highly efficient.
Features
- Known for its ease of installation
- quiet operation
- a five-year warranty.
- Best For: Homes with high hot water demand and existing hot water storage systems.
4- Baxi 600 System
This system boiler is designed for homes that need a constant supply of hot water to multiple outlets simultaneously. It’s compact, efficient, and comes with a 7-year warranty.
Features
- It features a powerful stainless steel heat exchanger
- quiet operation
- easy-to-use controls
- Best For: Larger homes with higher hot water and heating demands.
Baxi boilers features
Baxi boilers are known for several key features that make them a popular choice for homeowners.
Energy Efficiency
Baxi boilers typically have high energy efficiency ratings, often achieving an A-rating on the ErP (Energy-related Products) scale. This ensures that they provide optimal heating while reducing energy consumption and lowering utility bills.
Many Baxi boilers incorporate condensing technology, which recovers heat from the exhaust gases that would otherwise be lost, further boosting efficiency.
Compact Design
Baxi offers several models with a compact design, making them suitable for homes with limited space. Some models are designed to fit inside standard kitchen cupboards.
Their compact and lightweight nature also makes Baxi boilers easier to install, particularly in tight or hard-to-reach spaces.
User-Friendly Controls
Baxi boilers often feature straightforward, user-friendly control panels, making them easy to operate and adjust according to your heating needs. Many Baxi boilers are compatible with smart thermostats, like the Baxi uSense, which allows users to control their heating remotely via a smartphone app.
Durability and Build Quality
Several Baxi models, particularly the more premium ones, feature stainless steel heat exchangers, known for their durability and resistance to corrosion. This enhances the boiler’s lifespan and efficiency.
Baxi boilers are built with high-quality materials, ensuring long-term reliability and reduced maintenance requirements.
Quiet Operation
While some older models were noted for being slightly noisier, recent Baxi boilers are designed for quieter operation, making them less intrusive in living spaces.
Versatility
Baxi offers a variety of boiler types, including combi, system, and heat-only boilers, catering to different home heating and hot water requirements. Baxi boilers come in various output capacities, allowing homeowners to choose a model that matches the size and heating demands of their property.
Warranty and Support
Baxi boilers often come with extensive warranties, ranging from 5 to 10 years, depending on the model. This provides added peace of mind and ensures that any issues can be addressed without additional costs.
Baxi is known for offering good customer support and a strong network of engineers for maintenance and repairs.
Environmental Considerations
Many Baxi boilers are designed to produce low levels of nitrogen oxides (NOx), making them environmentally friendly and compliant with modern emission standards.
Built-in Filters
Some models, such as the Baxi 800 Combi, come with an integrated Adey Magnaclean Micro2 magnetic system filter. This helps to protect the boiler from sludge and debris, improving efficiency and extending the boiler’s lifespan.
Baxi boilers warranty
Baxi boilers are known for offering competitive warranty options, providing homeowners with peace of mind and protection against potential issues. The specifics of the warranty can vary depending on the model and whether the boiler is installed by a Baxi-approved installer.
Warranty Duration
- Standard Warranty: Most Baxi boilers come with a standard warranty that ranges from 5 to 7 years. This typically covers parts and labor, ensuring that any manufacturing defects or issues are addressed at no extra cost during this period.
- Extended Warranty: Certain models, particularly those in the higher-end range like the Baxi 800 Combi, offer extended warranties up to 10 years. This extended coverage often requires that the boiler is installed by a Baxi-approved engineer and that it is serviced annually.
Warranty Coverage
- Parts and Labor: Baxi’s warranty generally covers both parts and labor, meaning that if a covered issue arises, Baxi will repair or replace the defective parts at no additional cost.
- Heat Exchanger Warranty: Some Baxi boilers, especially those with stainless steel heat exchangers, may come with additional warranties specifically for the heat exchanger, covering it for an extended period within the overall warranty.
Conditions for Warranty Validity
- Approved Installation: To qualify for the full warranty, the boiler must typically be installed by a Baxi-approved installer. This ensures that the boiler is fitted correctly and operates as intended.
- Annual Servicing: Most Baxi warranties require that the boiler is serviced annually by a qualified engineer. Regular servicing is crucial to maintain the warranty and ensure the boiler continues to operate efficiently.
- Registration: Homeowners are usually required to register their boiler with Baxi shortly after installation to activate the warranty. This process is straightforward and can often be done online.
Exclusions
- User Negligence: Issues arising from improper use, lack of maintenance, or unauthorised repairs may not be covered under the warranty.
- Wear and Tear: The warranty typically does not cover normal wear and tear or issues that arise from external factors such as water quality or improper installation not performed by a Baxi-approved installer.

Baxi boiler service
Servicing a Baxi boiler is essential to ensure it operates efficiently, safely, and remains within the warranty terms. Regular servicing helps to detect potential issues early, prevent breakdowns, and extend the lifespan of the boiler.
What Happens During a Baxi Boiler Service
- Visual Inspection
The engineer will conduct a visual inspection of the boiler and associated pipework to check for any obvious signs of wear, corrosion, or damage. This includes checking the flue for obstructions and ensuring that all seals and connections are intact.
- Operation and Control Checks
The boiler’s controls will be tested to ensure they are functioning correctly. This includes checking the thermostat, programmer, and any smart controls that may be integrated with the boiler.
- Flue and Combustion Analysis
The flue will be inspected to ensure it is clear and safely expelling gases. The engineer will use a flue gas analyzer to measure the combustion gases, ensuring the boiler is burning fuel correctly and safely, and that emissions are within safe limits.
- Boiler Component Inspection
Key internal components, such as the heat exchanger, burner, and ignition system, will be inspected and cleaned if necessary. This helps maintain the efficiency and reliability of the boiler.
The engineer will also check the condition of the seals, gaskets, and other parts that may be prone to wear and tear.
- Pressure and Flow Rate Checks
The boiler’s water pressure will be checked to ensure it is at the correct level. For combi boilers, the engineer may also check the flow rate to ensure the boiler is delivering the correct amount of hot water.
- Safety Device Testing
All safety devices, such as the pressure relief valve, safety cut-offs, and any carbon monoxide detectors associated with the boiler, will be tested to ensure they are working correctly.
- Ventilation Check
The engineer will verify that the boiler has adequate ventilation and that the room meets the necessary requirements for safe boiler operation.
- Condensate Trap and Pipe Inspection
The condensate trap and pipe will be checked and cleaned if necessary, ensuring that condensate is being properly drained away from the boiler.
- System Cleaning
If necessary, the engineer might carry out a system flush or add a chemical inhibitor to the central heating system to remove sludge and prevent corrosion, which can help maintain efficiency.
- Service Report
After completing the service, the engineer will provide a service report detailing the work carried out, any issues found, and any recommendations for further action. This report is important for maintaining the boiler’s warranty.
Why Regular Servicing is Important
- Maintain Efficiency: Regular servicing helps keep your Baxi boiler running efficiently, which can save on energy bills.
- Safety: A service ensures that the boiler is operating safely, particularly in terms of gas combustion and the safe expulsion of flue gases.
- Extend Lifespan: Servicing can help prevent minor issues from developing into major problems, thereby extending the life of the boiler.
- Warranty Compliance: Annual servicing by a qualified engineer is often a condition of Baxi’s warranty, so it’s essential to keep up with this to avoid invalidating the warranty.
- Reduce Breakdowns: Regular checks and maintenance can help prevent unexpected breakdowns, saving you from costly repairs.
When to Service a Baxi Boiler
It’s recommended to have your Baxi boiler serviced once a year. The best time is typically just before the winter season to ensure the boiler is in top condition for the colder months.
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Baxi boilers technical
Baxi boilers are equipped with various technical features designed to enhance performance, efficiency, and user convenience.
Heat Exchanger Technology
Many Baxi models, particularly in the higher-end ranges like the Baxi 800 Combi, feature a stainless steel heat exchanger. Stainless steel is chosen for its durability, resistance to corrosion, and efficiency in heat transfer, contributing to the boiler’s long life and reliable performance.
Some Baxi boilers, such as those in the EcoBlue range, use aluminium heat exchangers, known for being lightweight and efficient at conducting heat.
Modulation Ratio
Baxi boilers often feature a wide modulation ratio, which refers to the range between the boiler’s maximum and minimum output. A wide modulation ratio allows the boiler to adjust its output according to the heating demand, enhancing efficiency by reducing energy consumption during periods of lower demand. For example, a 10:1 modulation ratio means the boiler can operate at just 10% of its maximum output, minimising waste.
Integrated Condensing Technology
Baxi’s range includes condensing boilers, which are designed to recover heat from the exhaust gases that would otherwise be lost through the flue. This technology increases efficiency and reduces fuel consumption, as well as CO2 emissions.
Smart Control Compatibility
Many Baxi boilers are compatible with the uSense smart thermostat, which allows users to control their heating remotely via a smartphone app. This feature adds convenience and helps optimise energy use by adjusting heating schedules based on real-time conditions.
Some models can be paired with weather compensation controls, which adjust the boiler’s output based on external weather conditions, further improving efficiency.
Built-in Diagnostics
Baxi boilers are equipped with an advanced diagnostics system that provides error codes and alerts on the display panel. This helps engineers quickly identify and resolve issues during servicing or repairs.
Many models feature an easy-to-read LED display that shows key operational information, including temperature, pressure, and error codes.
Low NOx Emissions
Baxi boilers are designed to comply with the latest regulations regarding nitrogen oxide (NOx) emissions. By producing low levels of NOx, Baxi boilers contribute to reduced environmental impact and are compliant with stringent emission standards.
Quiet Operation
Baxi boilers are engineered for quiet operation, with features like a fully insulated casing and quieter pumps. This is particularly important in residential settings where the boiler is installed near living areas.
Flexible Flue Options
Baxi boilers offer flexible flueing options, including vertical and horizontal flue installations, which make it easier to fit the boiler in different types of properties and configurations.
Some models allow for extended flue lengths, providing more flexibility in installation, especially in larger properties or where the boiler is positioned far from an external wall.
Flow Rate and Water Pressure
Baxi combi boilers are known for their high domestic hot water (DHW) flow rates, ensuring a strong supply of hot water to multiple outlets simultaneously. For example, the Baxi 800 Combi can deliver up to 16 liters per minute, making it suitable for larger homes with multiple bathrooms.
Most Baxi boilers come with an integrated pump that helps maintain the required water pressure, ensuring consistent performance even in areas with low water pressure.
Compact and Lightweight Design
Baxi boilers are often designed to be compact and lightweight, facilitating easy installation, even in tight spaces like kitchen cupboards. This is particularly true for models like the Baxi 600 and 800 series.
Most Baxi boilers are wall-mounted, freeing up floor space and allowing for installation in a variety of locations within a property.
Anti-Frost Protection
Many Baxi boilers include an anti-frost function, which automatically activates the boiler when the temperature drops to a certain level. This prevents freezing of the boiler’s internal components, particularly in colder climates or during winter.
Pre-Plumbing Jig
Some Baxi models come with a pre-plumbing jig and built-in filling loop, simplifying the installation process and reducing installation time and costs.
Twin Flue System
Certain Baxi boilers offer a twin flue system, which allows the separation of the intake air and exhaust gases. This can be particularly useful in challenging installation scenarios where a standard concentric flue is not feasible.
Energy Saving Trust Endorsement
Many Baxi boilers carry the Energy Saving Trust endorsement, signifying that they meet high energy efficiency standards, helping to reduce energy bills and carbon footprints.
System Compatibility
Some Baxi system boilers are compatible with solar thermal systems, allowing homeowners to integrate renewable energy into their heating solution.
Baxi boilers can also be used with underfloor heating systems, providing a versatile solution for different heating requirements.
Baxi boiler age
Baxi boilers are designed for durability and can typically last between 10 to 15 years, or even longer, depending on several factors:
- Quality of Installation
- Regular Servicing and Maintenance
- Quality of Components
- Usage and Operating Conditions
- Environmental Factors
Signs It’s Time to Replace Your Baxi Boiler
- Frequent Breakdowns
If your boiler requires frequent repairs, it might be nearing the end of its useful life.
- Decreased Efficiency
A noticeable increase in energy bills could indicate that the boiler is no longer operating efficiently.
- Noise and Vibration
Unusual noises or vibrations could signal internal wear and tear.
- Inconsistent Heating
If your home’s heating and hot water supply becomes inconsistent, it may be time to consider a replacement.

Baxi boiler installation in london
Let’s Heat is a trusted provider of Baxi boiler installations in London, known for their expertise, customer-focused approach, and commitment to quality. Whether you’re upgrading your current system or installing a new boiler, Let’s Heat offers a reliable and professional service tailored to your needs.
Let’s Heat is known for its team of highly trained and Gas Safe registered engineers, ensuring that all Baxi boiler installations are carried out to the highest standards. Their expertise with Baxi boilers ensures that installations are done correctly, which is crucial for the boiler’s performance and longevity.
Let’s Heat handles every aspect of the Baxi boiler installation process, from removing the old unit to setting up the new one. We ensure that the installation is seamless and that the system is fully operational before leaving the site.
Baxi boiler installation Cost in london
The cost of installing a Baxi boiler in London can vary depending on several factors, including the specific model, the complexity of the installation, and any additional work that may be required.
Standard Installation: A straightforward replacement of an existing boiler with a new Baxi boiler typically costs between £500 and £1,000. This includes labour, basic materials, and any necessary adjustments to the pipework.
Complex Installation: If the installation involves moving the boiler to a new location, upgrading the system (e.g., from a regular boiler to a combi boiler), or extensive pipework, the costs can range from £1,000 to £2,500 or more.
Baxi boiler price list uk london
Here’s a general price list for some popular Baxi boiler models available in London, UK. The prices can vary based on the supplier, installation costs, and any additional components or services required.
Baxi Combi Boilers
- Baxi 200 Combi
- 24 kW: £600 – £750
- 28 kW: £650 – £800
- Baxi 400 Combi
- 24 kW: £700 – £850
- 28 kW: £750 – £900
- Baxi 600 Combi
- 24 kW: £800 – £1,000
- 30 kW: £850 – £1,050
- 36 kW: £900 – £1,100
- Baxi 800 Combi
- 25 kW: £900 – £1,150
- 30 kW: £950 – £1,200
- 36 kW: £1,000 – £1,300
Baxi System Boilers
- Baxi 200 System
- 24 kW: £650 – £800
- Baxi 400 System
- 15 kW: £700 – £850
- 18 kW: £750 – £900
- 24 kW: £800 – £950
- Baxi 600 System
- 15 kW: £800 – £950
- 18 kW: £850 – £1,000
- 24 kW: £900 – £1,050
Baxi Heat-Only (Regular) Boilers
- Baxi 400 Heat
- 12 kW: £650 – £800
- 15 kW: £700 – £850
- 18 kW: £750 – £900
- 24 kW: £800 – £950
- Baxi 600 Heat
- 13 kW: £800 – £950
- 16 kW: £850 – £1,000
- 19 kW: £900 – £1,050
- 25 kW: £950 – £1,100
Factors Affecting Prices
- Output Size: Higher kW ratings generally result in higher prices.
- Efficiency and Features: Boilers with advanced features, higher efficiency, or longer warranties tend to be more expensive.
- Supplier and Promotions: Prices may vary depending on the supplier, and seasonal promotions or discounts can affect costs.
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Baxi oil boilers vs gas
When comparing Baxi oil boilers to Baxi gas boilers, there are several key differences to consider, including fuel type, efficiency, cost, availability, and environmental impact.
1. Fuel Type
- Baxi Oil Boilers:
- Fuel: Oil boilers use heating oil as their fuel source, which is stored on-site in a tank. This makes them ideal for homes that are not connected to the mains gas supply.
- Availability: Oil is generally available even in remote areas, but it requires regular delivery and monitoring of fuel levels.
- Baxi Gas Boilers:
- Fuel: Gas boilers use natural gas, which is supplied directly through the mains gas network. This makes them more convenient for properties connected to the gas grid.
- Availability: Natural gas is widely available in urban and suburban areas but may not be an option in rural locations.
2. Efficiency
- Baxi Oil Boilers:
- Efficiency: Modern Baxi oil boilers are highly efficient, often achieving efficiencies of around 90% or more. However, oil boilers tend to be slightly less efficient than gas boilers due to the combustion process and heat transfer characteristics of oil.
- Baxi Gas Boilers:
- Efficiency: Baxi gas boilers are known for their high efficiency, with many models achieving efficiency ratings of 90-98%. Condensing gas boilers, in particular, are designed to recover heat from the flue gases, making them very energy-efficient.
3. Cost
- Baxi Oil Boilers:
- Initial Cost: Oil boilers are generally more expensive to purchase than gas boilers. Additionally, the cost of installing an oil storage tank and the infrastructure needed for oil delivery can add to the upfront cost.
- Running Costs: The price of heating oil can fluctuate, sometimes making it more expensive than natural gas. However, oil prices can vary significantly depending on market conditions.
- Baxi Gas Boilers:
- Initial Cost: Gas boilers tend to be less expensive to purchase and install compared to oil boilers, especially if the property is already connected to the gas grid.
- Running Costs: Natural gas is generally cheaper than heating oil, leading to lower running costs. The price of natural gas is also more stable and predictable.
4. Installation
- Baxi Oil Boilers:
- Installation Requirements: Installing an oil boiler requires space for an oil storage tank, as well as considerations for oil delivery access. This can be a limiting factor in some properties.
- Maintenance: Oil boilers require regular maintenance, including monitoring the oil tank and ensuring the fuel delivery system is functioning properly.
- Baxi Gas Boilers:
- Installation Requirements: Gas boilers are easier to install in properties that are connected to the gas mains. They do not require a storage tank, making them more space-efficient.
- Maintenance: Gas boilers generally have lower maintenance requirements compared to oil boilers, though regular servicing is still necessary.
5. Environmental Impact
- Baxi Oil Boilers:
- Emissions: Oil boilers produce higher carbon dioxide (CO2) emissions compared to gas boilers, making them less environmentally friendly. However, modern oil boilers are designed to be as efficient as possible to reduce their environmental impact.
- Biofuels: Some oil boilers can be adapted to use biofuels, which are more sustainable and have a lower carbon footprint than traditional heating oil.
- Baxi Gas Boilers:
- Emissions: Gas boilers emit less CO2 compared to oil boilers, making them a more environmentally friendly option. Condensing gas boilers are particularly effective at reducing emissions.
- Renewable Gas: In some areas, natural gas supplies are being blended with biogas, which further reduces the carbon footprint of gas heating systems.
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FAQs
Is Baxi a good boiler?
Baxi boilers are known for their reliability, efficiency, and innovation, making them a popular choice among homeowners and installers alike.
Why choose a Baxi boiler?
Choosing a Baxi boiler ensures you get a quality product with advanced features, excellent performance, and a reputation for durability. Baxi boilers are also known for their energy efficiency and ease of installation.
How many years should a Baxi boiler last?
With proper maintenance and care, a Baxi boiler can last anywhere from 10 to 15 years or even longer. Regular servicing and timely repairs can help extend the lifespan of your Baxi boiler, ensuring years of efficient heating for your home.