The Pros and Cons of a Combi Boiler

In the last few years, the popularity of Combination boilers (also called Combi boilers) has increased significantly in the United Kingdom. A variety of researches have shown that approximately 70% UK homes opt for installation of Combi boilers as against the conventional boilers.

With almost every home installation, there are two or more advantages and disadvantages. If you are looking forward to installing a Combi boiler, here are some of the pros and cons of the heating system. They are:

The pros of a Combi boiler:

More affordable: In comparison to conventional heating systems which come with multiple installation components, Combi boilers have lesser components and as such, home owners spend less on installation and replacement of parts when worn out.

Faster Output: Unlike conventional heaters that need adequate time to fill up the water tank and heat the water, a Combi boiler provides unlimited quantity of hot water within the shortest period of time. There is no waiting required.

They are safer and cleaner: With the traditional boilers storing cold water in tanks beforehand, the safety of such water is not assured as there might be build-up of sludge and debris. However, with a Combi boiler, the water is safer and cleaner as it comes directly from the water mains.

Higher Efficiency: The mode of operation of a Combi boiler utilizes less energy as there is no need for preheating of water. With this, home owners can expect to save an upwards of £300 annually on heating bills.

Improves Home Value: Homes that come fitted with Combi boilers tend to have more value than those fitted with conventional heating systems. Whether you intend to rent or sell the property, the energy efficiency of the Combi boiler will significantly improve your home’s value.

More Portable: Since a Combi boiler does not require a water tank for provision of hot water, it makes it more compact than the conventional heaters. If yours is a small home with limited space, a Combi boiler might just be the right option for you.

Less Issues: Being that the hot water from the Combi boiler is fed directly from the mains, there is limited chances of malfunctions arising from low pressure or air locks.

Easier to maintain: With its growing popularity, a lot of engineers have received adequate training on installation and maintenance of Combi boilers. This means that you won’t have any issues getting adequate maintenance help when needed.

The cons of a Combi boiler:

Limited Usage: Considering that the hot water from the Combi boiler comes directly from the water mains, it might not be possible to have multiple showers and taps running at the same time. This might be an issue when being used in a large household.

Dependent on good pressure: In order for your Combi boiler to function at its maximum, there should be adequate pressure from the water mains. Therefore, a proper evaluation of your area’s mains pressure is very important before an installation is carried out.

Lack of immersion heater: In a situation where the Combi boiler suddenly breaks down, then there will be no hot water for your home until it is fixed. This is because it operates without a water tank, unlike the conventional heaters that preheat and store hot water in tanks.


The Pros and Cons of a Combi Boiler