Electric boilers are increasingly becoming popular with homeowners seeking efficiency and environmentally friendly heating solutions. As we strive towards a sustainable future, it is very important to understand what the best options in the market are. In this in-depth guide, we will look at the top electric boilers of 2025, their features, and what sets them apart.
Understanding Electric Boilers
Electric boilers work on the same principle as gas or oil boilers but use electricity as their energy source instead of fossil fuels. This makes them a cleaner alternative, producing zero emissions. This allows for the easy integration of renewable sources of energy, which can be covered with grants of up to £7,500. They can be up to 99% efficient, converting almost all the electricity into heat without waste.
Top Electric Boilers in 2025
Comet Combi Boiler – Electric Heating Company
The Ideal Comet Combi Boiler, an all-efficient and effective product for homeowners, supplies both central heating and domestic hot water.
- Duplex stainless steel hot water cylinder
- Compact size
- Programmer incorporated within the control for controlling temperature and scheduling
- Comes with wireless thermostat
- Option to choose heating only, hot water only, or both simultaneously. One of the best electric boilers for hot water only.
- 2 year warranty on the boiler and 10 year warranty on the cylinder
Electromax –Â Heatrae Sadia
The Electromax is a complete heating package comprising an electric flow boiler, a domestic hot water storage cylinder and a circulating pump.
- 180-litre duplex stainless steel unvented cylinder
- Retains mains pressure showers and fast-filling baths
- Compact dimensions can be installed inside a kitchen cupboard.
- 2-year warranty on the boiler and 10-year warranty on the cylinder
Mattira MAC15 –Â Elnur
The Mattira MAC15 is designed to provide a wall-mounted best electric combi boiler for both heating and hot water solutions.
- Digital modulation to reduce energy consumption
- Digital display with user-friendly controls
- High Flow rate for hot waterÂ
- 2-year guarantee on the boiler and cylinder
THERMAflow Electric Combi Boiler
The THERMAflow High Efficiency Electric Combination Boiler UK is designed to operate during the cheaper tariff periods of electricity and could save the user up to 40% off their heating costs.
Can be coupled with wood-burning or solar thermal systems
Available in six outputs between 10-18 kW
1-year warranty on the boiler, 25-year warranty on the cylinder
Fischer Electric Boilers
Fischer electric boilers are designed with the future in mind—a modern and efficient heating solution.
- 316L steel for maximum durability
- No need for external water tanks or cylinders
- Supplied with an exclusive wireless thermostat
- Average life expectancy of over 20 years
- Low failure rate
- Available in dual boiler (heating and hot water) and heating-only versions.
What to Consider When Buying New Electric Boiler
1. Efficiency
Electrical boilers are known for their high effectiveness and have an average efficiency of 99%. Thus, meaning virtually almost everything which gets consumed from electric currents is transformed into heating.
2. Size and Output
The size and output of your electric boiler should be such that it matches your house’s heating and hot water needs. Typically, the best residential electric boiler will serve between 6 to 10 radiators, depending on its power output. For larger houses, you’ll probably want a higher kW-rated boiler.
3. Running Costs
While electric boilers are highly efficient, running costs must be taken into consideration. Electricity tends to be more expensive per unit of energy compared to gas, sometimes resulting in higher bills. This may change in the future with the rise of renewable energy sources and potentially lower electricity prices. You can check for your free eligibility for a new efficient condensing gas boiler by filling in the form here.
4. Installation and Maintenance
Electric boilers are relatively easier to install compared to gas boilers because they do not require a flue or gas pipe. They also tend to have lower maintenance costs, therefore potentially lowering long-term costs.
5. Environmental Impact
Electric boilers emit zero emissions at the point of use and, therefore, are considered the more environmentally friendly option over gas or oil boilers. As the UK’s electricity grid continues to incorporate more renewable energy sources, the carbon footprint of electric boilers will further decrease.
6. The Future of Electric Boilers
With the UK moving towards lowering its carbon emissions, electric boilers will definitely take centre stage in the future of home heating. The UK government has moved to ban the use of gas boilers in new builds from 2025 onward, which may make alternative heating systems such as heat pumps, hydrogen boilers, and district heating schemes more prevalent.
Electric boilers, with their high efficiency and zero emissions at the point of use, are well placed to be part of this sustainable future. With advancing technology and a greener electricity grid, the benefits of electric boilers can only improve over time.
Comparing Electric Boilers with Other Heating Options
Electric vs. Gas Boilers
- High-efficiency factor: Electric boilers can be up to 99% efficient, which is better than most gas boilers. Contact us to install the latest efficient boilers.
- Lower maintenance: Electric boilers contain fewer moving parts and don’t require annual safety checks.
- Quieter operation: Electric boilers tend to be quieter than gas boilers.
However, electricity tends to be more expensive than gas, so running an electric boiler may prove costly.
Electric Boilers vs. Heat Pumps
Both electric boilers and heat pumps are to be environmentally friendly options. However, they differ in several ways:
1. Efficiency: Although quite efficient, electric boilers are surpassed in efficiency by heat pumps, which can reach efficiencies of 300% or more under ideal conditions. Heat pumps are covered by grants worth over £7,500, check your eligibility for free now!
2. Installation: Electric boilers are easier to install and much less invasive compared to heat pumps.
3. Space needs: Most electric boilers take up a small amount of space compared with heat pumps, since the latter must have an outside unit installed.
4. Higher initial cost for Heat Pumping, making electric boilers normally cheaper at initial installation.
Getting the Most out of Your Electric Boiler
To maximize the efficiency of your electric boiler and reduce running costs you can get a programmable thermostat; This will enable you to set your heating to only come on when needed, therefore not wasting energy. You can also make sure you have the proper insulation with its recommended thickness in place. Good insulation helps retain heat, reducing the workload on your boiler.
You can also consider solar panels; Pairing your electric boiler with solar panels can help offset electricity costs.
Where available, using cheaper night-time electricity rates can help reduce running costs. Even though electric boilers require less maintenance than gas boilers, frequent check-ups ensure that the system runs efficiently.
The Role of Electric Boilers in a Sustainable Future
Electric boilers will no doubt become more and more prominent in the future as the UK, as efforts to reduce carbon emissions continue to grow. Gas boilers have zero emissions at the point of use and coupled with high efficiency mean they fit into a low-carbon future.
The UK government plans to phase out gas boilers in new homes by 2025 will likely increase the adoption of electric heating solutions, including electric boilers. As the electricity grid incorporates more renewable energy, the environmental benefits of electric boilers will continue to grow.
Electric Boilers - Conclusion
Electric boilers represent a highly efficient and environmentally friendly heating solution. They can be expensive when compared to gas boilers, but in the long term can prove to be a valuable asset if run with a renewable energy source.
In the coming years, with the UK heading towards a sustainable future, electric boilers are in a good position to make a big difference in home heating. The best electric boiler in UK for your home will depend on your specific needs, including your home’s size, your hot water demands, and your budget.
The major considerations when choosing an electric boiler include efficiency, output, running costs, and warranty. Electric boilers will continue to grow in benefits with advances in technology and as the grid gets greener. They may not be suitable for all homes at this juncture but are an extremely promising option for those looking to reduce their carbon footprint and prepare their home for a sustainable energy future.
ECO Boiler Grants: Your Reliable Gateway to the ECO4 Scheme
Homeowners looking to save on bills and have more energy efficient homes should consider checking their eligibility for free boiler upgrades under the ECO4 scheme. This opportunity represents a remarkable chance to enhance home energy efficiency while potentially eliminating significant heating system costs, especially during these hard times where inflation and rising energy costs continue to put pressure on UK homeowners.
The ECO4 scheme provides a structured pathway for eligible households to receive comprehensive heating system improvements, with grants covering various energy-efficient upgrades. ECO4 has been particularly holistic in its approach to home energy improvements, that means applicants can access not just boiler replacements but potentially a range of energy efficiency measures tailored to their specific property needs. You can choose the best electric boiler for underfloor heating from the list and insulate your home for free through the scheme, helping transform your home into a warm haven. Homeowners are able to experience the process of applying smoothly and potentially maximize their benefit by working with experienced installers like ECO Boiler Grants who understand complex requirements for government energy schemes, transforming the heating system in their home without the financial burden of a full-cost installation.
