High-Level Overview
Tepeo is a British ClimateTech company founded in 2018 that develops the ZEB (Zero Emission Boiler), a smart heat battery boiler designed as a low-carbon, cost-effective alternative to fossil fuel and traditional electric boilers.[1][2][3] The ZEB stores heat generated from off-peak, renewable electricity in a highly insulated core, delivering whole-home heating with half the running costs of standard electric boilers (up to £1.5k annual savings on smart tariffs) and zero direct emissions, while installing in 1-2 days using existing plumbing and radiators.[2][3][5][6] It targets UK households unsuitable for heat pumps—potentially 40% of properties—serving homeowners seeking simple decarbonization amid rising fossil fuel bans, with strong growth via a nationwide installer network and accolades like 2024 Ashden Award and B Corp certification.[3][4][5]
Origin Story
Tepeo emerged in 2018 from a mission to provide a simple, affordable path off fossil fuel heating, driven by the need for low-carbon solutions beyond heat pumps.[1][2][3] After three years of intensive R&D—designing, testing, and iterating thermal storage prototypes—the company launched the ZEB in 2021 as a British-engineered heat battery that intelligently charges overnight and adapts to weather, tariffs, and usage via an app.[2][3] Pivotal moments include rapid scaling through tepeoPRO installer training, employing 68 people in UK manufacturing, and earning landmark B Corp status in November 2024 as the first domestic heating manufacturer, led by CEO Johan du Plessis who emphasized industry-leading ethics.[3][4][5] This trajectory reflects founders' focus on practical innovation for the UK's net-zero push.
Core Differentiators
- Thermal Storage Efficiency: Unlike electric boilers that heat on-demand (high costs), the ZEB acts as a "heat battery," storing bulk energy from cheap, green off-peak electricity in a compact, insulated core for on-demand release—greener than gas/oil and cheaper than rivals.[1][2][3][6]
- Ease of Installation and Compatibility: Direct fossil fuel replacement in 1-2 days with no flue, outdoor space, planning permission, or radiator changes; ideal for hard-to-retrofit homes (e.g., no outdoor access for heat pumps).[2][5][6]
- Smart, User-Friendly Controls: App-based remote management that auto-learns household needs, optimizes for tariffs/weather, and ensures precise heat storage without waste; maintains familiar boiler experience.[2][3][6]
- Sustainability Leadership: B Corp certified (first in sector), UK-made, trains plumbers for green skills, and won 2024 Ashden Award for consumer education and decarbonization impact.[4][5]
Role in the Broader Tech Landscape
Tepeo rides the UK heating decarbonization wave, where homes account for 31% of household emissions and fossil fuel boilers face bans in new builds from 2025, demanding diverse low-carbon options.[2][5] Its timing aligns with grid-scale renewables growth, smart tariffs, and net-zero mandates, filling gaps for 40% of properties where heat pumps falter due to space or retrofit costs—accelerating electrification without infrastructure overhauls.[2][5][6] By manufacturing locally, upskilling installers, and pioneering B Corp standards, Tepeo influences the ecosystem: it educates consumers, boosts green jobs, and pressures incumbents toward sustainability, proving thermal storage as a scalable bridge to full renewables.[4][5]
Quick Take & Future Outlook
Tepeo's ZEB positions it for explosive growth as UK boiler mandates tighten and electrification incentives expand, potentially capturing millions of off-gas-grid homes via its installer network.[3][5] Expect expansion into commercial applications, deeper AI optimization for dynamic grids, and international pilots as global net-zero policies mirror the UK's—bolstered by B Corp credibility attracting impact investors.[4] With trends like cheaper batteries and renewable overbuild favoring smart storage, Tepeo's influence could redefine heating as a "heat your home, not the planet" standard, leading the charge from fossil fuels to efficient, accessible ClimateTech.[1][3]