ThermoSphere electric boilers

Zero fossil fuels.
Zero flue gasses.
Zero emissions.

What's not to like?​

Boilers 1

99.8% efficient

ThermoSphere electric flow boilers don't burn fossil fuel so there are no flue gas emissions and no contribution to global warming. Take it to the next level and power your electric boiler with a solar PV system or switch to a renewable energy supplier.

Heating your home with clean electricity is better for you and better for the environment.

works with your radiator

Works with your existing heating system

  • Central heating radiators
  • Wet underfloor heating
  • Thermostatic radiator valves
  • Conventional room thermostats

Unique integrated pump set

ThermoSphere electric flow boilers come with a fully integrated high quality hydraulic pump set and pressure relief valve. That's one less thing to buy, saves installation time and gives you a combined warranty from one manufacturer.

Small size, big possibilities

The slimline design makes ThermoSphere electric boilers ideal for homes where space is at a premium or there is no gas supply.

Small enough to be tucked away in an airing cupboard and a great option for smaller accommodation, loft spaces and conservatories.

One boiler. 3 outputs

Choose from our 4.5kW to 9.0kW models each featuring 3 heating elements that can be switched independently. Three phase 400V, 12KW and 15KW models also available to order.

Put your feet up and relax

ThermoSphere electric flow boilers don't require an annual service so there are no maintenance costs to worry about.  PLUS, you have a 2 year warranty which includes the hydraulic pump set, so relax and enjoy the comfort.

Future-proof your home

From 2025 the average new-build home is expected to have 80% less carbon emissions than current standards. Direct electric boilers and other low carbon heating systems are predicted to be integral to achieving these targets. Install an electric boiler now and lead the charge towards our zero carbon future.

No need to worry, it's fully compliant

EcoDesign directive 2009/125/EU

Commission Delegated Regulation (EU) 811/2013

Frequently asked questions

Electric boilers run using much simpler technology than their gas counterparts, operating with very few moving parts.

Powered from your electricity supply, instead of using gas or oil, which we know burns fossil fuels.

Once switched on, the electricity flows into the boiler, heating the internal elements which in turn heat the water. The heated water is then pumped around your home through your pipe work, flowing into your electric heating devices; for example your electric underfloor heating, boilers and radiators!

To work out which size (KW) electric boiler you need, we advise working out the demand. How many radiators will your boiler be heating for example?

As a rule of thumb, you would typically allow 1.5KW per radiator. So if you had 4 radiators at 1.5KW, a 6KW boiler should be the correct size. If you have 6 radiators in your house, we would suggest our 9KW boiler, and so on.

On face value an electric boiler will be more expensive to run than a gas boiler because electricity is more expensive than gas per KW, at peak times. Most energy companies now offer greatly reduced rates for off-peak times. This can actually make electricity cheaper than gas at low demand times! Speak to your energy supplier to find out what your options are.

Installation costs for electric boilers are much lower and there are no maintenance plans or annual services to pay for. So when you look at the lifetime costs, an electric boiler becomes a much more viable option.

If you have a solar PV system installed in your home, the running costs of an electric boiler won't cost you a penny!

No, nada, nothing.

But you should test the RCD on the circuit once a month. You can do this yourself by simply pressing the test button.

Gas boilers will still be present in homes throughout the UK. The government’s plan is to replace gas boilers in new builds by 2025 only. This means that any potential gas boilers in new builds will be replaced by low-carbon emission systems such as electric boilers.

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Get in touch with us

  • Call: +44 800 019 5899
  • Opening hours: Mon–Fri: 07:00–17:00
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