What Is Included in a Gas Boiler Service? A Simple Guide
What Is Included in a Gas Boiler Service? A Simple Guide A well-maintained gas boiler is the heart of your
When your heating system starts showing signs of age or inefficiency, upgrading to a new boiler can transform the comfort and energy efficiency of your home. At Cheshire Boilers, we provide expert boiler installations, helping homeowners enjoy reliable heating and hot water all year round.
Whether you’re looking for a compact combi boiler, a system boiler, a large commercial unit or a renewable energy source boiler, this guide covers everything you need to know about selecting the right boiler and why Cheshire Boilers is the trusted choice for installation.
Selecting the right company for your boiler installation is about more than just installing a box on the wall—it’s about ensuring the safety, longevity, and efficiency of your heating system. At Cheshire Boilers, we focus on delivering top-tier service with a customer-first approach. Here’s what sets us apart:
All our engineers are Gas Safe registered, ensuring your boiler is installed to the highest industry standards. We have a very experienced team in fitting boilers from leading brands, ensuring you receive a flawless installation.
We take pride in our workmanship, treating your home with the utmost care. Every installation is carried out professionally, leaving your space clean and tidy with minimal disruption.
A new boiler is a necessity, and we aim to make it as accessible as possible. Our flexible finance options allow you to spread the cost over manageable monthly payments, so you can upgrade your heating system without financial stress.
We offer:
0% finance plans
Low monthly payment options
No hidden fees
At Cheshire Boilers, customer satisfaction is our priority. From the first point of contact to post-installation support, we guide you through every step with clear communication and expert advice.
Pre-Installation Consultation: We assess your heating needs and recommend the best boiler for your home.
Seamless Installation: Our engineers work efficiently, completing most installations within a single day.
Post-Installation Care: We provide a full system walkthrough and ongoing support should you need it.
Our customers consistently rate us 5 stars for reliability, professionalism, and quality workmanship.
Every home has different heating requirements, and choosing the right boiler ensures optimal performance and efficiency. We install a variety of boilers to match your needs:
Best for: Homeowners looking for a trusted, premium boiler brand with long-lasting performance.
Worcester Bosch boilers are renowned for their efficiency, reliability, and cutting-edge technology. Whether you need a combi, system, or regular boiler, Worcester Bosch offers a wide range of models to suit different household needs.
Benefits:
Industry-leading efficiency ratings
Compact and stylish designs
Long warranties for peace of mind
Smart technology compatibility
Best for: Energy-conscious homeowners who want a high-performance, eco-friendly boiler.
Vaillant boilers are built with sustainability in mind, featuring advanced efficiency technology that helps reduce energy bills and carbon emissions. These boilers are ideal for homes requiring consistent heating and hot water without compromising efficiency.
Benefits:
High efficiency with ErP A-rated performance
Quiet operation with soundproofing technology
Compatible with renewable energy systems
Long-lasting durability with German engineering
Best for: Customers who want excellent quality for a very reasonable price.
Baxi boilers are known for their affordability and reliability. With a range of models designed to fit different household sizes, Baxi provides an excellent heating solution without compromising on quality.
Benefits:
Affordable with excellent value for money
Simple installation and maintenance
Energy-efficient with a compact design
Available with extended warranties
Best for: Small to medium-sized homes with one bathroom.
Combi boilers are one of the most popular choices for homeowners due to their space-saving design and efficient performance. These boilers combine both central heating and hot water functions into a single compact unit, making them perfect for homes where space is at a premium. Unlike conventional boilers, they do not require a separate hot water cylinder or cold-water storage tank, simplifying installation and reducing maintenance requirements.
Combi boilers work by heating water directly from the mains supply whenever you turn on a tap, providing instant hot water without any waiting time. They are particularly suited for homes with one bathroom, ensuring a consistent flow of hot water without needing to store and reheat water in a tank.
Benefits:
Compact design: Ideal for smaller homes and properties with limited space.
Hot water on demand: No waiting time for a storage tank to heat up.
Energy-efficient: Reduce energy waste by only heating water as needed.
Lower running costs: More cost-effective than older, less efficient boiler models.
Easy installation: Requires fewer components, making the installation process quicker and simpler.
Mains pressure hot water: Provides strong water pressure, unlike traditional vented systems that rely on gravity-fed storage tanks.
Eco-friendly: Modern combi boilers are designed to meet high energy efficiency standards, helping homeowners lower their carbon footprint.
Combi boilers are an excellent choice for households that require efficiency and convenience while minimising space usage. If you’re looking for a hassle-free heating solution with reliable hot water, a combi boiler from Cheshire Boilers is a great investment.
Best for: Medium to large homes with multiple bathrooms.
System boilers are an excellent choice for homes that require a constant supply of hot water across multiple outlets. Unlike combi boilers, system boilers work with a separate hot water cylinder, allowing them to provide steady water pressure even when multiple taps, showers, or appliances are used at the same time.
They do not require a cold-water storage tank (most of the time installed in the loft), making them a more space-efficient option compared to traditional heat-only boilers. This makes system boilers ideal for larger households where hot water demand is high but loft space is limited.
Benefits:
Consistent hot water supply: Perfect for homes with multiple bathrooms, ensuring hot water is always available when needed.
More efficient than traditional heat-only boilers: System boilers store heated water in an insulated cylinder, reducing energy waste and improving efficiency.
Strong water pressure: Works well with mains pressure, eliminating the need for a pump or additional components.
Space-saving design: While a separate cylinder is needed, there is no requirement for a bulky cold-water storage tank, making installation easier in homes without loft space.
Compatible with modern heating systems: Ideal for integrating with underfloor heating or smart thermostat systems for improved efficiency and control.
Eco-friendly options available: Many system boilers are designed to work with renewable energy sources such as solar thermal systems, helping homeowners lower their carbon footprint.
System boilers are perfect for families with a large hot water demand or larger households that rely on multiple hot water outlets simultaneously. If your home has high water usage and you want a reliable, energy-efficient system, a system boiler is a great investment for consistent and powerful heating performance.
Best for: Homes with existing traditional heating systems and loft tanks.
Regular boilers, also known as heat-only or conventional boilers, are an excellent choice for properties that already have a traditional heating system with a hot water cylinder and cold-water storage tank. These boilers are particularly suited for homes with low water pressure and larger properties where multiple outlets are frequently used at the same time.
Regular boilers work by heating water and storing it in a hot water cylinder, ensuring a reliable and consistent supply. They require both a cold-water storage tank (typically in the loft) and a feed-and-expansion tank, which helps maintain system pressure.
Benefits:
Ideal for older properties: Designed to work seamlessly with traditional heating systems and existing pipework.
Reliable for high-demand households: Can supply hot water to multiple taps, showers, and appliances without pressure loss.
Works well in low water pressure areas: Unlike combi boilers, regular boilers do not rely on mains pressure, making them ideal for homes with weaker water supply.
Compatible with traditional radiator setups: Perfect for larger homes with extensive central heating systems.
Efficient when paired with modern upgrades: Can be integrated with renewable energy sources such as solar thermal panels for improved efficiency and reduced energy costs.
Regular boilers are a great option for homes that already have a conventional setup and require a steady, powerful supply of hot water. If your home has multiple bathrooms and you want a system that works reliably with your existing infrastructure, a regular boiler is a strong choice.
Best for: Homes connected to the mains gas supply.
Gas boilers remain one of the most efficient and cost-effective ways to heat a home. They offer reliable heating and hot water, working seamlessly with modern thermostats and energy-saving controls.
Benefits:
Lower running costs compared to electric boilers
High efficiency and reliability
Compatible with smart thermostat systems
Best for: Homes without access to mains gas.
Oil boilers are an excellent alternative for rural homes and properties not connected to the gas grid. They provide powerful heating and can be used with traditional radiator systems and underfloor heating.
Benefits:
Efficient heating solution for off-grid homes
Works with standard central heating systems
Compatible with modern, energy-efficient oil tanks
Best for: Properties without mains gas but with space for an LPG storage tank.
LPG (liquefied petroleum gas) boilers function similarly to gas boilers but use stored fuel instead of mains supply. They are a great option for rural properties that prefer cleaner energy than oil.
Benefits:
More environmentally friendly than oil
Lower carbon emissions
Cost-effective alternative for off-grid properties
Best for: Homeowners looking for sustainable and eco-friendly heating solutions.
Renewable boilers offer an environmentally friendly way to heat your home, using energy from sustainable sources.
Types of Renewable Boilers:
Biomass Boilers: Use wood pellets, chips, or logs for fuel.
Solar Powered Boilers: Use solar panels to heat water.
Wind Source Boilers: Utilise wind energy for heating efficiency.
Ground Source Heat Pumps: Extract heat from the earth to warm your home.
Benefits:
Lower carbon footprint
Potential government grants and incentives
Long-term energy savings
Best for: Businesses, offices, and large residential buildings.
Commercial boilers provide efficient heating for larger buildings and multi-unit properties. These systems are designed to handle higher heating demands with advanced controls for energy efficiency.
Benefits:
Powerful heating for large-scale applications
Energy-efficient solutions for businesses
Can be customized to meet specific property needs
We make the boiler installation process smooth and stress-free, ensuring everything is handled with professionalism from start to finish.
📞 Step 1: Free Consultation
We assess your current heating system, discuss your needs, and recommend the best boiler options based on your home and budget.
📋 Step 2: Fixed-Price Quote
No surprises—our quote includes everything, from the boiler itself to installation and necessary adjustments, so you know exactly what to expect.
🛠 Step 3: Professional Installation
Our Gas Safe engineers install your new boiler efficiently and safely, ensuring everything is set up for optimal performance.
✅ Step 4: Handover & Ongoing Support
We guide you through using your new system, from setting the thermostat to basic maintenance tips. Plus, our team is always available for aftercare support.
If you’re experiencing any of the following issues, it might be time for an upgrade:
Frequent breakdowns and costly repairs
Rising energy bills due to inefficiency
Uneven heating or inconsistent hot water supply
Unusual noises, leaks, or low pressure
If your boiler is over 10-15 years old, frequently breaking down, making unusual noises, or causing higher energy bills, it may be time for a replacement. A new, energy-efficient model can save you money in the long run.
A straightforward like-for-like boiler replacement usually takes 1 day, whereas switching to a different type of boiler (e.g., from a conventional to a combi system) or relocating the boiler may take 2-3 days.
The size of the boiler depends on your home’s size, number of radiators, and hot water demand. A 24-30kW combi boiler is suitable for small to medium homes, while larger homes may need a 35kW+ model. A professional survey will determine the best option for your needs.
A standard installation includes:
Removal of the old boiler
Fitting of the new boiler and required pipework
Flue installation
System flush (to remove sludge and improve efficiency)
Smart thermostat setup (if included)
Gas safety checks and commissioning
Many installers offer 0% interest or low-interest financing plans, allowing you to spread the cost over several months or years. You may also be eligible for government grants or boiler schemes, depending on your location and circumstances.
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