Buy a Combi Boiler with Installation Included

Purchase a Combi Boiler with Installation Included from Master Gas London. Explore our comprehensive Combi Boiler Guide for expert insights and tailored recommendations. With transparent pricing, professional installation, and top-tier service, we ensure a seamless experience. 

combi boiler installation from £1900

Combi Boilers: The Complete Guide

A combi boiler may be the best option for you if you want a heating system that provides both central heating and hot water on demand without the need for a separate water tank. What exactly are combi boilers?. This guide will help you to understand everything you need to know about combi boilers, the history, efficiency, pros & cons.

 

If you’re considering upgrading to a Combi Boiler, check out our pages on New Boiler Cost, Boiler Types, and Which Vaillant Boiler to find the best option for your home.

Combi Boiler Offers

new boiler installation from £1900

Vaillant Installation
From £2200

Get a New Vaillant Boiler Installation with 10 year Parts & Labour Warranty Included

worcester bosch new boiler installation

Worcester Installation
From £2200

Get a New Worcester Bosch Boiler Installation with up to 12 years Parts & Labour Warranty Included

Baxi boiler installation

Baxi 800 Installation
From £1950

Get a New Baxi 800 Boiler Installation with 10 year Parts & Labour Warranty Included

Glow Worm boiler installation from £2015

Glow Worm Installation
From £1900

Get a New Glow Worm Boiler Installation with up to 10 years Parts & Labour Warranty Included

About Combi Boilers

Combining a high-efficiency water heater and a central heating boiler into one unit is what combi boilers, also known as combination boilers, do. Without the need for a separate water tank or unvented cylinder, they give your house both hot water and heat your radiators. Since combi boilers do not require a separate water tank or external components, they are perfect for houses with limited space.

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Hisory of Combi Boilers

Early 1960s saw the introduction of combi boilers, but it wasn’t until the 1990s that they really took off in the UK. They were initially intended to offer small apartments and dwellings energy-efficient, space-saving heating and hot water. eliminating the requirement for hot water storage cylinders and cold water storage tanks. Combi boilers are one of the most widely used types of boiler in the UK today and are used in homes of all sizes.

 

For more information on upgrading to a modern, efficient new boiler, explore our New Boiler Installation page.

Efficiency of Combi Boilers

Efficiency is one of the major benefits of combi boilers. Combi boilers utilise less energy than system boilers and conventional boilers since they only heat water when it is required, as opposed to keeping it warm in a tank. They can therefore assist you in lowering your carbon impact and save money on your energy bills. Combi boilers can achieve even greater efficiency when installed with smart technology, such as a smart thermostat and smart radiator valves.

 

Considering upgrading to a more efficient heating system? Explore our Full Central Heating Installations to optimise your home’s heating efficiency.

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Pros of Combi Boilers

  • Compact Size – Combi boilers require less space as they remove the need for cold water storage tanks and hot water storage cylinders. This makes them ideal for homes where space is at a premium.
  • Energy-Efficient – They only heat water when it’s needed, this makes them more energy-efficient than traditional boilers connected to hot water storage cylinders.
  • Warranty – All components are housed within the boiler, therefore covered under the manufacturers warranty. 

Cons of Combi Boilers

  • Limited Hot Water Supply – If you have a large household and need to use multiple hot water outlets at the same time, a combi boiler might not be able to keep up with demand. .
  • No Backup Hot Water – If your combi boiler breaks down, you won’t have any backup hot water. 

Things to Consider

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Boiler Size

Make sure you choose a combi boiler that's the right size for your home and your hot water needs

approved boiler repair visit

Maintenance

Annual Servicing is Required

new boiler warranty

Boiler Warranty

worcester bosch new boiler installation

Boiler Brand

Choose a reputable brand with a good track record for reliability and performance such as Worcester Bosch, Vaillant, Baxi or Glow Worm.

Summary of Combi Boilers

In today’s market, combi boilers emerge as an excellent option, offering efficiency and convenience. While air source heat pumps boast higher efficiency, they come with a significantly higher price tag and often require property upgrades.

 

Consequently, many homeowners opt for combi boilers as their preferred heating and hot water solution. If you’re considering installing a combi boiler, prioritise reputable brands and trusted installation and servicing companies for peace of mind.

 

For expert advice and installation, explore our pages on Combi Boiler Conversions, Hydrogen Ready Boilers, or Air Source Heat Pumps.

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Which Combi Boiler Brands are the Best?

When it comes to selecting the best combi boiler for your home, several reputable brands stand out, including Vaillant boilers, Worcester Bosch boilers, Baxi boilers, and Glow-worm boilers. Each of these brands offers a range of high-quality combi boilers known for their efficiency, reliability, and durability

new boiler installation from £1900

Vaillant

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worcester bosch new boiler installation

Worcester

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Baxi boiler installation

Baxi

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Glow Worm boiler installation from £2015

Glow Worm

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FAQ'S

A combi boiler is a type of boiler that provides both heating and hot water to your home in one compact unit. It works by heating water directly from the mains supply as and when it is needed.

The size of your property, number of bathrooms and radiators will determine the size of the combi boiler required for your home. Use the free Master Gas London quote tool to find the correct sized combi boiler for your property.

The lifespan of a combi boiler can vary depending on factors such as the brand, model, usage and maintenance. On average, a combi boiler can last between 10 and 15 years.

Combi boilers do not require a separate hot water tank or hot water storage cylinder. They only heat water when needed. This means reduced heat loss and waste, resulting in higher efficiency and cheaper energy expenses.

Yes, a combi boiler can supply hot water to multiple taps and showers at the same time. It is always dependant on the flow rate of the cold mains to the property. With any pressurised system the flow rate and bar must be adequate.

It’s recommended that a combi boiler should be serviced once a year by a Gas Safe registered heating engineer. Regular servicing helps to ensure that the boiler is running safely and efficiently.

Pros of a combi boiler include: compact size, energy efficiency, on-demand hot water, and reduced energy bills. Cons of a combi boiler include: limited hot water supply, may not be suitable for larger properties or high hot water demand.

The cost of installing a combi boiler can vary depending on factors such as the brand, model, and the complexity of the installation. On average it can cost between £1600-£4000 for a combi boiler installation.