Home Appliances Best Electric Combi Boiler For Small Flat [UPDATED]

Best Electric Combi Boiler For Small Flat [UPDATED]

Have you been looking for the best electric combi boiler for a small flat?

Purchasing the right boiler for a small home or flat with one bathroom is as essential as finding one powerful enough to meet a large house’s higher demands. Set up a too-powerful boiler, and you’ll see your energy bills rise.

This is why we conduct comprehensive research and review on the best electric combi boiler for a small flat.

Most Combi boilers usually run-on gas, but electric Combi is available too, ad as they might be expensive to run, they are 100% efficient when used.

What is Electric Combi?

Combi boilers are the only boiler type with everything needed to offer your home, with heating and hot water all wrapped into a single unit. Other types are System and Regular, which require a cylinder to store the hot water once heated.

The manufacturer designs combi boilers for new installations as they don’t use much space around the home, are highly efficient, and offer instant hot water. The right way to find the most suitable electric Combi boiler for your tiny house or flat is by comparing the most trusted models on the market, which is precisely what we’ve done in this article.

Best Electric Combi Boiler for Small Flat

1 . Electromax Combi Boiler

This combi boiler combines an electric boiler with a hot water storage cylinder and a pre-plumbed, factory-fitted circulating pump. It can provide hot water and wet central heating simultaneously, if required, with only a cold water supply and an electrical connection being the significant requirements.

The stainless steel cylinder has a liter capacity of 180, delivering a balanced supply to various more than one tap outlet. This combi boiler is suitable for small apartments because of its compact size


  • Floor mounted design
  • Reliable
  • Safe
  • Controllable
  • Silent operation
  • Programmable thermostat
  • Easy to use
  • Low installation cost
  • Fit in small spaces
  • Cost-effective
  • Low maintenance
  • Future proof
  • Low installation cost


  • Requires electricity to function
  • High running costs
  • Less Hot water

2. EHC Comet Electric Combi Storage Boilers

This electric boiler brand offers the very best regarding wet central heating and domestic hot water for domestic properties without access to gas. The boiler is compact in size as well-suited for small spaces and apartments.

It is meticulously crafted to fit right into a standard domestic airing cupboard. In order to save space and minimize installation, this combi boiler has been crafted with top-entry pipe work, making it the best choice of combi boiler for a vast variety of properties since there are no flue requirements


  • No risk of explosion and no fumes
  • Flue not required
  • Super efficient
  • Saves space
  • Easy installation
  • Has a timer and thermostat for optimal controllability
  • Offers a thorough heating and hot water solution


  • High running cost
  • Limited amount of hot water
  • Requires electricity for full functionality
  • Costly to maintain

3. THERMAflow High-Efficiency Electric Combi Boiler

This Combi boiler has a 100% efficiency rating designed to help customers save energy costs. It is programmed to meet all your heating and hot water needs. Additionally, the THERMAflow Combi boiler will last twice as long as direct-acting and gas boilers. It is cleaner and more efficient than solid fuel, oil, LPG, and electric storage heaters.


  • Efficient
  • Long-lasting
  • Cost-effective


  • Makes occasional noises

4. Elektra Electric Combi Boiler Wall hung with inbuilt cylinder

This combi boiler lets you run your heating and hot water more safely and efficiently while being economical. It is perfect for small houses as well as big flats. It can be used with radiators or underfloor heating. Due to the TRIAC-based technology, it has the capacity to stay run without noise. It is an incredibly safe and clean way to heat up your water and your home.


  • Digitally displays temperatures
  • Noiseless
  • Durable


  • Short warranty period
  • Expensive

5. Mattira Wall Mounted Electric Combi Boiler

This is one of the best Combi boilers on the market. It has a flow rate of up to 12 liters per minute. Furthermore, it features a digital display with user-adjustable controls and a critical lock facility. This combi boiler is ideal for single bathroom properties and has S/Steel shielded elements for corrosion resistance and high-temperature strength. The digital modulating feature equals less energy waste. Its Smart Electronic Modulation System is designed to regulate energy consumption according to specific heating needs.


  • Noiseless
  • Easy to use


  • Takes time to heat

Benefits of Electric Combi Heaters

Besides being more energy-efficient, electric combination heaters have several benefits over central heating options.


They are straightforward to set up and require less maintenance than gas or oil boilers. Subsequently, manufacturing them is a less expensive option.

Fit in Small Spaces

Although electric combi boilers come in various sizes, they are typically one unit, heating tanks, cylinders, or a flue like other boiler types is unnecessary. Combination boilers usually fit comfortably into a small kitchen cupboard or under the stairs.

No Noise

Most gas and oil boilers hum. Electric boilers are entirely silent even when they are in operation.

Easy to Use

Having more control over the amount of energy you’re utilizing is essential. If you are not using an intelligent thermostat, electric combi boilers are straightforward to manage manually.

These units are fitted with a digital display that provides you with a temperature reading and a dial that allow you to turn the temperature up or down base on your preference.

Low installation costs

Electric combi boilers are designed to not run off gas or oil, so they do not use an existing central heating system to function in your home. Subsequently, this makes them easy to fit and cuts installation costs.

Low Maintenance

Electric combi heaters are designed so that it doesn’t have many mechanical parts as other heating systems, which makes it not require maintenance or repairs as often.

Future Proof

The world’s oil and gas resources are designed so that they are expected to run out within the next 40 years. Oil supplies are expected to dry up around 2052 and gas around 2060.

This might be a long way; it’s within the lifetime of many homeowners. The reality is that Electric combi boilers, on the other hand, are compatible with solar energy.

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