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What Is The Most Energy Efficient Boiler In The UK 2024?

Are you tired of high energy bills? Upgrading to a more energy-efficient boiler with a condensing unit could be the solution you need. Modern boilers are designed to be more efficient than older models, and the UK government has set strict regulations for boiler efficiency. By end of 2024, the most energy-efficient boilers in the UK will have an ErP rating of at least 92%. These appliances can also help reduce fuel costs while providing optimal heating output.

Condensing boilers, which are a type of energy-efficient appliance, are currently the most fuel-efficient option available in the UK. They work by using a condensing unit to capture heat that would otherwise escape through the flue and reuse it to heat your home. This means they waste less energy and can save you money on your fuel costs while also space saving.

If you’re wondering how much a new boiler costs or who qualifies for a boiler grant in 2024, we’ve got you covered. Keep reading to learn more about the most energy-efficient boilers in the UK and how they can benefit you by reducing your fuel bills and gas bill with their high efficiency level and a condensing unit.



Understanding Boiler Efficiency Ratings and ERP Energy Rating

Boilers, including a condensing unit, are essential in keeping our homes warm and comfortable, especially during the cold winter months. However, they can also consume a significant amount of energy and pressure, leading to high utility bills and carbon emissions. That’s why understanding boiler efficiency ratings, including the use of an aluminium heat exchanger, is crucial in determining the energy efficiency level of a boiler. Image credit: Pexels.

What is an Efficiency Rating?

An efficiency rating measures how much energy a boiler converts into heat compared to the amount lost during combustion. It is expressed as a percentage, where higher numbers indicate better efficiency. The most common type of efficiency rating used in the UK is the Seasonal Efficiency of Domestic Boilers in the UK (SEDBUK) rating. A condensing unit can significantly improve the brand score of a boiler and reduce fuel bills. Additionally, investing in a high-efficiency boiler can also lower gas bills in the long run.

What is SEDBUK Rating?

The SEDBUK rating system was developed by the UK Government to provide consumers with an easy way to compare boilers’ energy efficiency levels and reduce their fuel bills. The system rates boilers from A to G, with A-rated boilers being the most efficient and G-rated boilers being the least efficient. Additionally, consumers can also check the brand score of a boiler before purchasing it, which can help them make an informed decision. A highly efficient condensing unit can also aid in reducing gas bills.

However, starting from September 2015, all new boilers installed in the UK must comply with EU legislation known as Ecodesign or ErP (Energy-related Products) Directive 2009/125/EC. This directive introduced a new energy label that replaced SEDBUK ratings for new products called ErP labels. By installing a high-efficiency condensing unit, homeowners can significantly reduce their fuel bills. To determine the efficiency level of your boiler and receive a quote for a new one, check for the ErP label.

What is an ERP Label?

The ErP label provides a clear and concise way to compare the energy efficiency of different boilers, including a condensing unit. It displays information about a product’s energy consumption and performance based on specific criteria set out by EU regulations, as well as the outputs available. Additionally, consumers can also check the brand score of a boiler through various online sources such as blogs.

ErP labels rate products from A+++ to G, with A+++ being the most efficient and G being the least efficient. The label includes information on heat output, water heating efficiency, noise levels, and other relevant data points that help customers make informed decisions when choosing their next boiler. For regular boilers, an ac condensing unit, and different outputs available, customers can also check the brand score provided on the label.

Brand Score

Another important factor to consider when choosing an energy-efficient boiler is the brand score. A brand score is calculated based on a manufacturer’s overall performance in producing energy-efficient products and their commitment to reducing carbon emissions. It is also important to consider the outputs available for regular boilers.

Several factors contribute to a brand’s score, including product efficiency ratings, environmental policies, and manufacturing processes. By choosing a regular boiler from a manufacturer with a high brand score, customers can be confident that they are investing in an energy-efficient product that meets strict environmental standards.

Comparison of Top Energy Efficient Boilers in the UK: Features and Benefits

Boilers are an essential part of every household in the UK. They provide hot water and heating to homes, but they also consume a significant amount of energy. If you’re looking to replace your old boiler with a new, more energy-efficient model, you might be wondering which one is the best for your needs.

Top Energy Efficient Boilers in the UK

There are two main types: combi boilers and conventional boilers. Combi boilers heat water directly from the mains supply, whereas conventional boilers store hot water in a tank. Both have their advantages and disadvantages in terms of energy efficiency rating.

Best Combi Boilers in the UK

  • Worcester Bosch Greenstar i
  • Vaillant ecoTEC Plus
  • Viessmann Vitodens 050-W

The Worcester Bosch Greenstar i is one of the most popular combi boilers on the market due to its reliability and efficiency. It has an efficiency rating of up to 94%, making it one of the most efficient models available.

The Vaillant ecoTEC Plus is another highly-rated combi boiler that boasts an impressive efficiency rating of up to 94%. It also has a compact design, making it ideal for smaller homes or apartments. However, if you are looking for regular boilers, this may not be the best option for you.

The Viessmann Vitodens 050-W is another excellent choice for those looking for an energy-efficient combi boiler. It has an efficiency rating of up to 97%, making it one of the most efficient models on this list.

Best Conventional Boilers in the UK

  • Baxi 800 Heat
  • Ideal Logic+ Heat
  • Potterton Titanium

If you’re looking for a conventional boiler instead, these three models are some of the most energy-efficient on the market.

The Baxi 800 Heat has an efficiency rating of up to 93%, making it one of the most efficient conventional boilers available. It also has a compact design, making it easy to install in small spaces.

The Ideal Logic+ Heat is one of the top-rated regular gas boilers, with an impressive efficiency rating of up to 94%. It’s known for its reliability and ease of use, as well as its exceptional boiler features. As one of the leading boiler brands, this system gas boiler is a popular choice for homeowners seeking a high-quality heating solution.

The Potterton Titanium is another excellent choice for those looking for a conventional boiler. It has an efficiency rating of up to 94% and comes with a range of features such as frost protection and a built-in filling loop.

Features and Benefits

Energy-efficient boilers come with a range of features that make them more efficient than older models. Some common features include:

  • High-efficiency ratings: Energy-efficient boilers have higher efficiency ratings than older models, which means they waste less energy.
  • Programmable thermostats: Many modern boilers with energy efficiency ratings come with programmable thermostats that allow you to set different temperatures at different times of the day.
  • Compact designs: Many energy-efficient boilers have compact designs, making them easier to install in small spaces.

Viessmann Vitodens 100-W 30kW Model: The Most Efficient Boiler Option

If you’re looking for the most energy-efficient boiler in the UK, look no further than the Viessmann Vitodens 100-W 30kW model. This boiler is considered to be one of the best options available on the market today and is highly recommended by experts in the industry.

Stainless Steel Heat Exchanger

One of the key features that make the Viessmann Vitodens one of the best boiler brands for regular gas boiler installation is its stainless steel heat exchanger. This component is designed to transfer heat from the combustion process into your home’s heating system with minimal loss, making it an efficient option for boiler service. By doing so, it helps to maximise efficiency and reduce energy waste.

A-Rated Energy Efficiency Label

Another reason why this boiler is so popular among homeowners and installers alike is its A-rated energy efficiency label. This rating indicates that it has been independently tested and verified as being highly efficient, which can help you save money on your energy bills over time.

Higher kW Output Than Competitors

Compared to other boilers like Vaillant Ecotec, which has a lower kW output, the Viessmann Vitodens boasts a higher kW output of 30kW. This means that it’s more powerful and better suited for larger homes or those with high hot water demands.

Why Boilerhut Chose To Work With Viessmann

At Boilerhut, we’re committed to providing our customers with only the best possible products and services. That’s why we’ve chosen to work exclusively with Viessmann. We believe that their commitment to quality and innovation aligns perfectly with our own values as a company.

Worcester Bosch Greenstar CDi Compact: A Compact and Energy Efficient Option

If you’re looking for an energy-efficient boiler that can help reduce your energy bills, then the Worcester Bosch Greenstar CDi Compact might be the perfect option for you. This new boiler model is designed to be more environmentally friendly than its predecessors, making it a great way to upgrade your home’s heating system.

Space-saving Option

One of the standout features of the Worcester Bosch Greenstar CDi Compact is its space-saving design. This boiler is perfect for homes with limited space as it takes up less room than traditional boilers. The compact size means that it can easily fit into small cupboards or even in a kitchen cabinet. If you live in a flat or apartment where space is at a premium, then this boiler could be just what you need.

Built-in Cylinder

Another benefit of the Worcester Bosch Greenstar CDi Compact is that it has regular gas boiler features. As a system gas boiler, it also comes with a built-in cylinder for hot water storage. This means that you won’t need to install a separate hot water tank, which can take up valuable space in your home. The built-in cylinder also ensures that hot water is always available on demand, so there’s no need to wait for the tank to heat up. Additionally, this boiler is easy to maintain with regular boiler service.

Energy Efficiency

The Worcester Bosch Greenstar CDi Compact system gas boiler has been designed with energy efficiency in mind. It has an A-rated efficiency rating, which means that it operates at over 90% efficiency. This high level of efficiency is one of the many great boiler features that make Worcester Bosch one of the most trusted boiler brands in the market. The Greenstar CDi Compact runs on mains gas, but it can also be converted to run on LPG or oil if needed.

Environmentally Friendly

In addition to being energy efficient, the Worcester Bosch Greenstar CDi Compact is also environmentally friendly. It produces fewer emissions than traditional boilers, which makes it a more sustainable choice for homeowners who are concerned about their carbon footprint.

Upgrade Your Home’s Heating System

If you’re looking to upgrade your home’s heating system, then the Worcester Bosch Greenstar CDi Compact is a great option. Its boiler features are easy to install and can be fitted in a variety of locations, including in cupboards or on the wall. The compact size also means that it won’t take up valuable space in your home.

Ideal Logic Plus 30kW Combi Gas Boiler: Affordable and Efficient

If you’re looking for an energy-efficient boiler that won’t break the bank, the Ideal Logic Plus 30kW Combi Gas Boiler is a great option. This combi gas boiler is suitable for mains gas, LPG, and oil, making it a versatile choice for homeowners.

What is a Combi Boiler?

First things first – what exactly is a combi boiler? A combination or “combi” boiler provides both hot water and heating on demand without the need for a separate water tank or cylinder. This makes them ideal for smaller homes with limited space.

Compared to regular gas boilers or system gas boilers, combi boilers are generally more energy-efficient as they don’t waste energy heating up stored water that may not be used. They also tend to be cheaper to install as there’s no need for additional tanks or cylinders.

The Ideal Logic Plus 30kW Combi Gas Boiler

Now let’s dive into why the Ideal Logic Plus 30kW Combi Gas Boiler is such an excellent choice. Here are some of its key features:

  • Flow rate of 12.4 litres per minute: This means that the boiler features allow you to get hot water on demand without having to wait around.
  • Suitable for mains gas, LPG, and oil, these boiler features offer versatility for homeowners to choose the fuel type that works best for their needs.
  • Energy-saving features: The Ideal Logic Plus 30kW Combi Gas Boiler has several features designed to save energy and reduce your gas bill in the long run.
  • Quiet operation: This boiler operates quietly so you won’t have to deal with any annoying noises.
  • Extra peace of mind: The Ideal brand is known for its quality and reliability, with exceptional boiler features, making it a top choice among other brands in the market.

How Much Does it Cost?

One of the best things about the Ideal Logic Plus 30kW Combi Gas Boiler is its price. Compared to other combi boilers on the market, this boiler is relatively affordable. Of course, prices can vary depending on where you live and who installs the boiler for you.

However, it’s worth noting that while a cheaper upfront cost may be attractive, it’s important to consider the long-term running costs of your boiler. The Ideal Logic Plus 30kW Combi Gas Boiler has several energy-saving features designed to help reduce your gas bill over time.

Why Install a Combi Boiler?

There are several reasons why you might want to install a combi boiler like the Ideal Logic Plus 30kW Combi Gas Boiler:

  • Space-saving: If you have limited space in your home, a combi boiler is an excellent option as it doesn’t require additional tanks or cylinders.
  • Energy-efficient: As mentioned earlier, combi boilers are generally more energy-efficient than regular or system gas boilers as they don’t waste energy heating up stored water.

Baxi DuoTec Combi ERP 28kW: Easy to Install and High Performing

Easy Installation Process for Installers

The installation process of the Baxi DuoTec Combi ERP 28kW is straightforward and easy, making it a popular choice for installers. The boiler comes with a wall-mounting bracket that makes it easy to fit onto any wall. The compact size of the boiler means that it can be installed in small spaces, making it ideal for apartments or homes with limited space.

7-Year Warranty for Peace of Mind

One of the most significant advantages of purchasing the Baxi DuoTec Combi ERP 28kW is its seven-year warranty. This warranty provides peace of mind to homeowners as they know that their investment is protected against any potential faults or defects. The warranty also includes a one-year guarantee on all parts and labour.


Inox Stainless Steel Heat Exchanger Ensures High Performance and Efficiency

The Baxi DuoTec Combi ERP 28kW has an Inox stainless steel heat exchanger that ensures high performance and efficiency. The heat exchanger is designed to transfer heat from the burner to the water quickly, resulting in faster heating times and lower energy consumption. The stainless steel material resists corrosion and lasts longer than other materials used in traditional boilers.

Clear Display Screen and Adobe System Make It Easy to Use and Monitor the System

The clear display screen on the Baxi DuoTec Combi ERP 28kW makes it easy for homeowners to monitor their system’s performance. The screen displays information such as temperature settings, pressure levels, fault codes, and more. The Adobe system allows homeowners to control their heating system remotely using a smartphone or tablet.

Post-Purchase Customer Support

Baxi provides excellent post-purchase customer support services for customers who purchase the DuoTec Combi ERP 28kW boiler. The company has a dedicated customer service team that can help with any questions or concerns regarding the installation, operation, and maintenance of the boiler. Baxi offers training programs for installers to ensure that they have the necessary skills and knowledge to install and maintain the boilers correctly.

Choosing the Most Energy Efficient Boiler for Your Home

If you’re looking to upgrade your boiler, choosing an energy-efficient model can help you save money on your heating bills.

Consider a Condensing Boiler for Maximum Energy Efficiency

Condensing boilers are designed to be highly efficient by recovering heat from the exhaust gases that would otherwise be lost. They achieve this by using a larger heat exchanger and a more efficient burner. According to the Energy Saving Trust, replacing an old non-condensing boiler with a new condensing model could save you up to £305 per year on your heating bills.

There are two types of condensing boilers: combi and system. Combi boilers provide hot water on demand without the need for a separate tank, while system boilers require a separate hot water cylinder but can supply hot water to multiple outlets at once. Both types of condensing boilers are highly efficient and can help you reduce your energy bills.

System Boilers Can Be a Great Choice for Larger Homes with Higher Hot Water Demands

System boilers are similar to conventional boilers but have additional components that allow them to work more efficiently. They require less space than conventional boilers as they don’t need an expansion tank or feed and expansion cistern. System boilers also provide better hot water performance than combi boilers as they store hot water in a cylinder ready for use.

If you have a larger home with higher hot water demands, then a system boiler may be the best choice for you. They can supply hot water to multiple outlets at once without any loss of pressure or temperature.

Regular Boilers May Be Less Efficient Than Newer Models, But They Can Still Provide Reliable Heating and Hot Water

Regular (or conventional) boilers are older models that have been around for many years. They are less efficient than newer models, but they can still provide reliable heating and hot water. Regular boilers require a separate hot water cylinder and cold-water storage tank, which means they take up more space than combi or system boilers.

If you have an older home with an existing regular boiler, it may be worth upgrading to a newer model to improve energy efficiency and reduce your heating bills.

How Can an Energy-Efficient Gas Boiler Save Me Money?

An energy-efficient gas boiler can save you money on your heating bills by reducing the amount of gas you need to use to heat your home. By choosing a highly efficient condensing boiler, you could save up to £305 per year on your heating bills compared to an old non-condensing model.

What Is the Most Efficient Type of Boiler?

The most efficient type of boiler is a condensing boiler. These boilers recover heat from the exhaust gases that would otherwise be lost and use this heat to warm up the water in your central heating system. Combi and system boilers are both types of condensing boilers that are highly efficient and can help you save money on your heating bills.

Factors Affecting Boiler Efficiency: The Impact of Boiler Fuel Type on Performance

Boiler efficiency is a crucial factor. Not only does a more efficient boiler save you money on energy bills, but it also reduces your carbon footprint. When considering the most energy-efficient boiler in the UK 2024, several factors come into play, including burner quality, flow rate, output, and parts quality.

Burner Quality Affects Boiler Efficiency

The burner is responsible for igniting the fuel and generating heat in the boiler. A high-quality burner ensures that fuel is burned efficiently and cleanly, resulting in better combustion and higher efficiency. In contrast, a low-quality burner can lead to incomplete combustion and wasted fuel.

When selecting a new boiler or upgrading an existing one, consider investing in a high-quality burner to improve efficiency. Some of the best burners on the market include Riello RDB series burners and Worcester Bosch Greenstar Danesmoor burners.

Flow Rate Impacts Boiler Efficiency

The flow rate refers to how much water flows through the boiler at any given time. A higher flow rate means more water passes through the system per minute. While this may seem like a good thing at first glance since it increases hot water availability, it can negatively impact efficiency.

A higher flow rate requires more energy to heat up all of that water quickly. As such, boilers with lower flow rates tend to be more efficient since they use less energy overall.

When selecting a new boiler or upgrading an existing one, consider opting for models with lower flow rates if possible. This will help improve efficiency while still providing enough hot water for your needs.

High Output Boilers Tend to Be Less Efficient

Boilers are available in various sizes ranging from small domestic units to large commercial ones capable of heating entire buildings. However, larger boilers aren’t always better.

High output boilers tend to be less efficient since they have more power than necessary for most homes or businesses. As such, they end up using more fuel than needed, resulting in wasted energy and higher bills.

When selecting a new boiler or upgrading an existing one, consider opting for models with lower outputs if possible. This will help improve efficiency while still providing enough heat for your needs.

Quality Parts Improve Boiler Efficiency

Finally, the quality of parts used in a boiler can significantly impact its efficiency. High-quality components are designed to work together seamlessly, ensuring that the system runs smoothly and efficiently.

In contrast, low-quality parts can lead to leaks, breakdowns, and other issues that reduce efficiency and increase repair costs over time.

When selecting a new boiler or upgrading an existing one, opt for models made by reputable manufacturers known for using high-quality parts. Some of the best brands on the market include Worcester Bosch, Vaillant, and Ideal Boilers.

Embrace Sustainable Energy: Opt for Zero Carbon Emission with Sustainable Fuels

As the world is moving towards a more sustainable future, it’s essential to embrace energy-efficient solutions that help reduce carbon emissions and lower fuel bills. One of the most effective ways to achieve this is by using sustainable fuels in boilers.

Sustainable Fuels Can Help Reduce Carbon Emissions and Lower Fuel Bills

Using sustainable fuels like biomass, wood pellets, and hydrogen gas can significantly reduce carbon emissions compared to traditional fossil fuels like oil and gas. Biomass boilers use organic materials like wood chips or logs to generate heat, making them an excellent choice for people looking for renewable heating options.

Wood pellets are another great option as they produce less ash than other types of fuel and have a higher calorific value than wood chips. Hydrogen gas is still in its early stages of development but has shown promising results as a zero-emission fuel source.

By using these sustainable fuels in your boiler, you can significantly reduce your carbon footprint while also saving money on your fuel bills.

Options Like Stainless Steel and Aluminium Can Help Control Energy and Water Usage

Apart from using sustainable fuels, choosing the right boiler material can also help control energy and water usage. Stainless steel boilers are highly resistant to corrosion and offer excellent durability, making them ideal for long-term use. They are also easy to maintain and clean, ensuring efficient performance throughout their lifespan.

Aluminium boilers are another popular option due to their lightweight design and high thermal conductivity. They heat up quickly, reducing the amount of time required for heating water or space. Aluminium boilers require less energy to operate due to their low water content.

Embracing Sustainable Energy Can Work To Help The Environment And Cost Less In The Long Run

Switching to sustainable fuels and energy-efficient boilers is not only beneficial for the environment but can also save you money in the long run. While the initial cost of installing a new boiler may seem high, it can pay off in the long term through reduced fuel bills and maintenance costs.

Moreover, using sustainable fuels helps reduce your carbon footprint, making it an excellent investment for future generations. By embracing sustainable energy solutions today, we can work towards a cleaner and greener future.

Assessing the Efficiency of Your Aging Boiler: Is It Time for an Upgrade?

If you’re wondering whether your old boiler is still efficient, it’s important to assess its performance. Factors like seasonal efficiency, water flow rate, and age can all affect the rating percentage of your boiler.

How Efficient Is My Old Boiler?

The first step in assessing the efficiency of your old boiler is to look at its seasonal efficiency rating (SER). This rating measures how much fuel your boiler uses to heat your home over the course of a year. The higher the SER, the more efficient your boiler is.

To find out your SER, you’ll need to read your boiler’s manual or contact a heating engineer. If you don’t have access to either of these options, you can estimate your SER by calculating how many minutes per year your boiler runs and dividing that number by its output rating in kilowatts (kW).

Once you know your SER, compare it with modern boilers’ ratings. Newer models often have higher ratings due to advancements in technology and materials used.

How Can I Improve the Efficiency of My Current Boiler?

If you want to improve the efficiency of your current boiler without replacing it entirely, there are several steps you can take:

  • Get regular maintenance: Getting an annual inspection from a qualified professional can help keep your system running smoothly.
  • Upgrade controls: Installing a programmable thermostat or smart controls can help regulate temperature and save energy.
  • Insulate pipes: Insulating hot water pipes reduces heat loss during transportation.
  • Install radiator reflectors: These reflective panels fit behind radiators and reflect heat back into the room instead of being absorbed by walls.

While these upgrades won’t make as significant an impact on efficiency as replacing an old boiler with a newer model would, they can still help reduce your energy bills.

How Do I Know When I Need a New Boiler?

If your boiler is more than 15 years old, it’s likely less efficient than newer models. If you’re experiencing frequent breakdowns or repairs, it may be time to consider a replacement.

Other signs that it’s time for a new boiler include:

  • Strange noises coming from the system
  • Uneven heating throughout your home
  • Increased energy bills without an apparent cause

Why Should I Replace My Old Boiler?

Upgrading to a newer model with an aluminium heat exchanger can save you money in the long run. Aluminium is a lightweight and durable material that conducts heat efficiently. This means your new boiler will use less fuel to create the same amount of heat as your old one.

Modern boilers often come with advanced features like smart controls and improved safety mechanisms. These upgrades not only increase efficiency but also improve comfort and safety in your home.

How Often Should You Get Your Boiler Inspected?

To keep your boiler running efficiently and safely, it’s recommended to get an inspection once per year.

Optimal Sizing: Discovering the Most Efficient Boiler Size for Your Need

In conclusion, finding the most energy efficient boiler in the UK 2024 requires understanding boiler efficiency ratings and comparing top energy efficient boilers like Viessmann Vitodens 100-W 30kW model, Worcester Bosch Greenstar CDi Compact, Ideal Logic Plus 30kW Combi Gas Boiler, and Baxi DuoTec Combi ERP 28kW. These boilers offer different features and benefits that cater to various needs. However, the Viessmann Vitodens 100-W 30kW model is considered the most efficient option due to its advanced technology and high-performance rating.

When choosing a boiler, it’s essential to consider factors like fuel type, sustainability, and sizing. The right size of your boiler will depend on factors such as your home’s size, insulation level, hot water demands, and heating requirements. A professional installer can help you determine the optimal size of your boiler for maximum efficiency.

To make an informed decision about purchasing an energy-efficient boiler in the UK 2024, it’s crucial to assess your current boiler’s efficiency using tools like ERP Energy Rating. Upgrading to a more efficient model can save you money on energy bills while reducing carbon emissions.

Call-to-action: Contact a professional installer today to assess your current boiler’s efficiency and recommend the best options for upgrading to an energy-efficient model.


Q1: How do I know if my current boiler is inefficient?

If your energy bills are higher than expected or if your home takes longer than usual to heat up or maintain temperature levels, it could be a sign that your current boiler is inefficient. You can also check its age – boilers older than ten years are often less efficient compared to newer models.

Q2: Is it worth investing in an energy-efficient boiler?

Yes! Investing in an energy-efficient boiler can save you money on energy bills in the long run, and it’s also an eco-friendly choice that reduces carbon emissions.

Q3: What factors should I consider when choosing a boiler?

When choosing a boiler, consider factors like your home’s size, insulation level, hot water demands, heating requirements, fuel type, and sustainability. A professional installer can help you determine the optimal size of your boiler for maximum efficiency.

Q4: How often should I service my boiler to maintain its efficiency?

It’s recommended to service your boiler at least once a year to maintain its efficiency and ensure it’s working correctly. Regular servicing can also prolong your boiler’s lifespan and prevent potential breakdowns.

Q5: Can I switch from oil-fired boilers to gas-fired boilers?

Yes! You can switch from oil-fired boilers to gas-fired boilers if there is a gas supply available in your area. However, this requires professional installation and may involve additional costs.

Q6: Are sustainable fuels like biomass suitable for all homes?

No. Sustainable fuels like biomass may not be suitable for all homes due to space limitations or lack of access to storage areas.