Combi boilers and system boilers are two popular types of boilers that are commonly used for heating homes in the UK. While both types of boilers provide heating and hot water, they differ in the way they are designed and the way they work.
A combi boiler, also known as a combination boiler, is a compact and efficient unit that provides both heating and hot water without the need for a separate hot water storage tank. Combi boilers are popular for their space-saving design and ease of use, as they take up very little room in your home and can be controlled by a simple thermostat.
On the other hand, a system boiler, also known as a sealed system boiler, is a more traditional type of boiler that requires a hot water storage tank. This tank is usually located in an attic or cupboard and provides a supply of hot water that can be used throughout your home. System boilers are often more suitable for larger homes with higher hot water demand, as they can provide a more consistent supply of hot water compared to combi boilers.
One key difference between combi boilers and system boilers is that combi boilers heat water on demand, whereas system boilers store hot water in a tank for later use. This means that combi boilers are more efficient in terms of energy usage, as they only heat the water you need when you need it, whereas system boilers heat water continuously in the tank, even if you don’t need it.
Another difference between the two types of boilers is that combi boilers are simpler to install and maintain compared to system boilers. Combi boilers have fewer components, which makes them easier to install and maintain, whereas system boilers require more complex installation and maintenance procedures.
In terms of cost, combi boilers are typically more expensive than system boilers, but they offer a number of advantages over system boilers in terms of energy efficiency, space-saving design, and ease of use.
In conclusion, whether you choose a combi boiler or a system boiler will depend on a number of factors, including the size of your home, your hot water requirements, and your budget. Both types of boilers have their advantages and disadvantages, so it’s important to consider all of your options and choose the one that’s right for you.
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