tepeo ZEB
The Tepeo ZEB (Zero Emission Boiler) is a low-carbon electric heating system designed to replace traditional gas or oil boilers without the disruption of a full home retrofit. Instead of producing heat on demand, the ZEB works as a heat battery, storing thermal energy when electricity is cheaper and cleaner, then releasing it when heating is required.
Fully electric and combustion-free, the ZEB produces zero direct emissions, helping households reduce their carbon footprint and improve local air quality. Its smart charging technology automatically optimises heat storage using energy tariffs, weather forecasts and household heating patterns. Users can monitor and control the system through the tepeo app, giving clear visibility of energy use and comfort levels.
Benefits:
Zero direct carbon emissions — runs on electricity, helping cut household heating emissions.
Heat battery storage — stores heat when electricity is cheapest/cleanest and releases it on demand.
Lower running costs — off-peak charging and smart tariff use reduce energy bills.
Smart charging algorithms — adjusts heat storage based on tariffs, weather and demand.
App control and insights — easy scheduling, monitoring and manual boosts via the tepeo app.
Easy installation — fits with existing heating systems with minimal retrofit.
Compatible with renewables — integrates with solar PV to maximise clean energy use.
Customised comfort — learns household heating patterns for tailored performance.
Reliable and long-lasting — robust build backed by warranties.
Low maintenance — fewer moving parts than conventional boilers.
Responsive heat distribution — delivers heat consistently when needed.
Future-proof investment — helps meet tightening environmental standards.
Eco-friendly heating — supports net-zero transition by reducing fossil fuel use.
Why go electric...
In 2020 renewable resources made up 43% of the total UK electricity supply and overtook fossil fuels as the major source of supply.
Electric boilers can be run from renewable resources such as wind generated, tidal and solar power which means you can run your boiler completely free of CO2 emissions.
So if you combine electric home heating with a 100% renewable electricity tariff, you know that your heating will be carbon-free.
A low-carbon alternative
The UK government has said that no new homes built after 2025 will use natural gas as a fuel, with low-carbon heating systems adopted as an alternative to help lower CO2 emissions.
Britain has also set a target of reaching net-zero carbon emissions by 2050.
An electric boiler is a direct replacement for a gas boiler, so when you convert to electric there is no need to replace existing pipework or radiators
What is an Electric Boiler?
An electric boiler uses electricity to generate the heat required to provide the central heating and hot water for a property. The size of the property and hot water requirements will determine the size and type of ‘Electric Boiler’.
Integrating an ‘Electric Boiler’ with a solar PV system, a well-insulated home and 100% renewable tariff will provide you with one of the most eco-friendly systems possible.
The right boiler
The size of the electric supply to a property will determine the most efficient boiler to use.
If you have a large property and use a lot of hot water we suggest using a ‘System Boiler’ coupled to an indirect unvented hot water cylinder. This can also be integrated with a solar PV system, which can provide up to 70% of your annual hot water needs.
For a small property or flat with a single shower and limited space an ‘Electric Combi Boiler’ is ideal.
Electric Boiler benefits
Primus S Electric Boilers
The Primus S range of electric system boilers are designed to provide all of your domestic space heating needs, through a wet central or underfloor heating system. It is a direct replacement for a gas system boiler and there is no need to change any radiators or pipes. Used in conjunction with an unvented indirect hot water cylinder it can also provide all of your hot water needs for larger and multi bathroom properties.
By integrating a timer with the boiler you can use cheaper off peak electricity to heat your water store, thus saving money, balancing the grid and utilising 100% renewable electricity.
Benefits:
Pre-wired for ease of installation
Suitable for use with vented and unvented cylinders
Integrated pump and expansion vessel
Zero risk of carbon monoxide emission or gas leak
No flue required
Stylish touch screen operation
Minimal moving parts
No Mandatory servicing required
Flexible siting as no flue is required and it’s very compact in size
Ideal for integration with solar PV system when used with a cylinder
Suitable to use off peak low cost and 100% renewable tariff
Recommended to be used with RF or WIFI programmable thermostats
Electric Combi Boilers
The Primus C range of electric combi boilers are direct replacements for gas combi boilers used in flats or dwellings where there is only one bathroom with a shower.
There’s no need to replace existing pipework or radiators and the boiler can be sited anywhere within the property as it doesn’t need a flue.
Benefits:
Pre-wired for ease of installation
Integrated pump and expansion vessel
Continuous hot water (flow rates up to 7l/min on 14.4kW boiler)
Zero risk of carbon monoxide emission or gas leak
No flue required
Stylish touch screen operation
Near silent in operation
Minimal moving parts
Minimal servicing and no mandatory annual safety certificate required
Flexible siting as no flue is required and it’s very compact in size
Ideal for flats
Ability to use low cost electricity and 100% renewable tariffs
Recommended to be used with RF or WIFI programmable thermostats
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