Cost & Carbon Calculator

Compare the annual running costs and carbon emissions of your current boiler with a tepeo heat battery boiler upgrade by using this simple tool

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Annual Running Cost Estimate

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Annual running cost
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tepeo heat battery boiler
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Difference
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Carbon Saving

By switching to a tepeo boiler, you could save:

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kgCO₂ this year
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kgCO₂ a year by 2035
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Petrol miles
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Beef Steaks
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Paris flights
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Large trees
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Why choose a tepeo heat battery boiler?

Greener than gas or oil

Cuts your home heating emissions immediately, without burning fossil fuels at home.

Cheaper than electric boilers

Uses smart, off-peak energy tariffs to keep running costs dramatically lower than standard direct electric heating.

Low-disruption installation

Easy to install, use, and maintain. Works seamlessly with your existing radiators in just 1-2 days.

Ready to see if your home is suitable?

Complete our short home check to see if your home is suitable for a tepeo heat battery boiler. If your home is suitable, you’ll be able to book in a call with our friendly team to discuss your requirements further and start your switch!

tepeo zeb heat battery boiler

The £2,500 tepeo Early Grant Match

The government’s Boiler Upgrade Scheme (BUS) grant of £2,500 will be available to eligible ZEB customers starting in Winter 2026. But we don’t think you should have to wait to get warm sustainably.

To help make the switch affordable right now, we are offering a tepeo early grant match of £2,500 per ZEB to eligible homes. No complex admin, no fuss—just straightforward support to help you upgrade your heating today.

How the ZEB achieves these savings

Your ZEB keeps running costs low and shrinks your carbon footprint by charging up when electricity is at its cheapest and greenest. Want to know exactly how it works with the UK energy grid?

The best smart energy tariffs for your heat battery boiler