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Compact, efficient, and environmentally friendly: these are just some of the adjectives that describe electric combi boilers. If you want a powerful boiler that heats water on demand, you need to check our catalogue below out! We offer affordable, high-quality, and powerful combi boilers that can cope with both domestic and commercial demand.

Electric combination boilers - Silver Line

Electric Combi Boiler London

Combi boilers or combination boilers, as their name suggests, are boilers that can provide hot water and central heating in the same unit. They became popular due to their compact size, efficiency, and practical use.

Although the electric combi is a relatively recent invention compared to other types of boiler systems, it has quickly become incredibly popular across the United Kingdom. This is primarily because electric boiler prices are incredibly attractive, but it doesn't stop there. They offer many advantages, some of which you'll find below:

Advantages of Combi Electric Boilers

No Need to Waste Money on Scaffolding

Due to the compact and efficient nature of the combi electric boilers, you don’t need to install a flue in your home - this means that it isn’t necessary to waste money getting a permit, hiring workers, and scaffolding your home to fit a flue in. This could potentially save you thousands of dollars and makes the combi electric boiler the only viable choice.

Silent and Efficient Functionality

Due to the boiler not having any moving parts aside from a water pump, it functions very quietly and without any undue noise. If you don’t want noise pollution in your building or apartment, this is the boiler for you - you won’t be hearing any buzzing, whistling, or other unpleasant noises as the boiler does its job.

Completely Electrical

No need for fossil fuels when operating combi electric boilers - this not only reduces your dependency on natural gas and helps you save the environment, but it gives you more options. There are many ways of generating electricity (for example solar panels), and you can use these sources to power the combi electric boiler. This means less cost to run the boiler and more ways to power it - giving you more choices to heat your home however you want.


The compact nature of the combi electric boiler makes it a perfect candidate for installation in your bathroom - the small form factor and the compact design mean the boiler can easily fit in the bathroom or any other small room. You won’t ever need to worry about space constraints, because when you buy one of our combi electric boilers, you can be sure it fits.

Frequently Asked Questions

Can an Electric Combi Boiler Fill a Bath?

Traditionally, boilers slowly heat water and then store it in a storage cylinder until it gets used. Electric combination boilers heat water on demand. They don't have a storage cylinder. Understanding this fundamental difference is key to answering this question.

Unless you have a large traditional boiler, hot water will usually run out before you fill up a bath. Since an electric combination boiler heats water on demand, however, it doesn't have that problem. This means, yes, it can fill up a bath without the water becoming cold.

How Efficient Is an Electric Boiler Combi?

Two things make electric combi boilers extremely efficient:

  1. They don't need to constantly maintain hot water in the storage cylinder. They heat water on the fly. Other boiler systems usually have a passive energy consumption associated with them.
  2. As it is run on electricity, this means electric combi boilers can be powered through various sources. Whether this is solar, wind, natural gas or whatever, the sky is the limit.
  3. Since electric combi boilers need to heat water on the fly, they generally need to consume far more energy in short bursts compared to traditional boilers. Don't worry though, averaged out over a month, they're generally far more efficient than traditional variants.

Can You Have a Combi Boiler on Electricity?

Yes. combi boilers have quite a few variants. The two most popular are electric and gas combi boilers. Electric combi boilers for flats are especially popular since they don't require gas pipelines and are very cheap and easy to install.

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