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This discrepancy reveals a key challenge for the industry. Many customers want to adopt greener heating but face barriers that make switching difficult. As an installer, you likely meet homeowners hoping to reduce their carbon emissions who are confronted with the realities of extensive insulation upgrades, larger radiators, and outdoor noise, all of which can feel overwhelming or disruptive.
For many, these hurdles mean that choosing a new heating system is less about ambition and more about minimising disruption and cost. The result is that most households continue to install gas or oil boilers because the alternative appears too complex or intrusive.
tepeo was founded to make low-carbon heating accessible and straightforward for everyone. Our ZEB heat battery boiler offers a new path for installers and homeowners alike. It enables the environmental benefits of a heat pump, without the major modifications, outdoor space requirements or lengthy installations that often act as barriers.
Boiler Logic: The ZEB delivers flow temperatures up to 80°C and a peak heat output of 15kW, mimicking the performance of traditional heat-only boilers, ensuring users feel no perceptible difference in comfort or warmth.
Low-Cost, Stored Heat: Equipped with an innovative thermal storage core, the ZEB can store up to 40kWh of usable heat. Its smart charging system monitors electricity prices and automatically charges during off-peak, low-carbon periods. This decouples energy consumption from heat delivery, helping keep running costs low and promoting greener energy usage.
Simple swap. Zero stress: The ZEB is designed as a straightforward replacement connecting to existing radiators and pipework to avoid the disruption of a full system redesign which is typically installed within 1 to 2 days. There is no need for an external installation or extensive planning, making it suitable for properties of all shapes and sizes, including smaller homes, flats, and Victorian terraces.
The UK government’s £15 billion Warm Homes Plan marks a major shift in national energy strategy. Instead of prioritising extensive insulation before upgrading heating systems, the plan recognises the value of technology-first solutions. Installers are now encouraged to offer smart electrification: solar, heat pumps, energy storage, and alternative systems such as the ZEB. This approach helps more households access low-carbon heat, sooner.
The ZEB uniquely fits this strategy by offering:
From winter 2026, the government’s Boiler Upgrade Scheme (BUS) expands to include heat batteries, enabling homeowners to claim a £2,500 grant specifically for technologies like the ZEB. This development reflects a growing understanding that heat pumps, while valuable, may not suit every property.
However, we know there’s anticipation from customers around the £2,500 grant, hence, we’re stepping in early. From today, tepeo will match the BUS grant and offer your customers a £2,500 contribution towards a ZEB installation, ensuring they can benefit right away.
For installers, this means:
As the UK aims to upgrade 5 million homes by 2030, the opportunity to deliver low-carbon solutions is greater than ever. Installers who can offer more than just a single technology will be best placed for success.
tepeoPRO provides you with a vital addition to your product offering. Our practical, half-day training teaches everything needed to fit the ZEB into existing central heating systems, typically with no upsizing of radiators and no major disruption for your customers. With tepeo, you can take on more projects, support the net zero transition, and help more households benefit from clean, reliable, and affordable heating.