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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.

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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 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.

10 year parts and labour warranty
Fixed price £2449
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.

10 year parts and labour warranty
Fixed price £2245
Efficiency is one of the major benefits of combi boilers. Combi boilers utilise less energy than traditional 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.

10 year parts and labour warranty
Fixed price £2065
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.
They only heat water when it’s needed, this makes them more energy-efficient than traditional boilers connected to hot water storage cylinders.
All components are housed within the boiler, therefore covered under the manufacturers warranty.
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.
If your combi boiler breaks down, you won’t have any backup hot water.

10 year parts and labour warranty
Fixed price £2065
When choosing a combi boiler, there are a few other things to consider:
Size: Make sure you choose a combi boiler that’s the right size for your home and your hot water needs.
Brand: Choose a reputable brand with a good track record for reliability and performance such as Worcester Bosch, Vaillant, Baxi or Glow Worm.
Maintenance: Make sure you have your combi boiler serviced regularly to keep it running smoothly and efficiently.

7 year parts and labour warranty
Fixed price £2135
In conclusion, homeowners that desire an effective, space-saving heating and hot water solution frequently choose combi boilers. They have both pros and cons. For many households they are the most popular choice. If you’re thinking about getting a combi boiler for your property, make sure to choose a reputable brand and hire a trusted and reviewed company to install and service it.

10 year parts and labour warranty
Fixed price £2565
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.