Clean heat startup HotGreen Solutions raises £1.2m led by Empirical Ventures
This article covers a pre-seed round on 21 October 2025 for HotGreen Solutions, a UK-based clean-heat startup developing ultra-efficient industrial heat pumps, founded by Georgia Ware and Andrew Anderson. The round raised £1.2m, led by Empirical Ventures with participation from Coca-Cola Europacific Partners.
What does HotGreen Solutions do?
HotGreen Solutions provides an industrial heat pump system with an isothermal compressor for replacing fossil-fuel boilers in manufacturing plants. It supplies process heat, recovers waste heat and reduces fuel use in food, beverage and industrial facilities.
Why is HotGreen Solutions useful?
Problem
Food, beverage, and industrial manufacturers face rising energy bills and high carbon emissions from process heat. They struggle to decarbonise without costly, disruptive boiler replacements or major plant redesigns.
Solution
HotGreen Solutions explains that it provides ultra-efficient industrial heat pumps as drop-in replacements for fossil-fuel boilers. Their system recovers and upgrades waste heat to cut energy use by up to fifty percent and lower operating costs.
How much did HotGreen Solutions raise?
HotGreen Solutions raised £1.2m in a pre-seed round, led by Empirical Ventures with participation from Coca-Cola Europacific Partners. This makes it the 48th largest funding round in October 2025 (60 recorded). It ranks 419th of the year (532 recorded) in the Startupmag database, as of 21 October 2025.
For details on how Startupmag compiles its rankings, view our Methodology.
Who invested in HotGreen Solutions?
Key investors in the round included the following:
- Empirical Ventures: A venture firm that invests in climate and industrial decarbonisation technologies.
- Coca‑Cola Europacific Partners (CCEP): The venture and sustainability arm of Coca‑Cola Europacific Partners, backing technologies that can be trialled within its operations to support decarbonisation goals.
- First Imagine! Ventures: A venture firm that invests in early-stage technology companies.
- The Conduit Impact Fund: An impact investment fund focusing on sustainability and social-impact ventures.
- Almanac Ventures: A venture capital firm that invests in early-stage climate and clean-technology businesses.
In the funding announcement, Sashidar Rajendra from Coca-Cola Europacific Partners Ventures said:
We see real impact potential in HotGreen Solutions’ approach to decarbonisation – which aligns with our own sustainability ambitions. We’re excited to trial their technology in our operations and see how their innovation can help accelerate us towards our 2040 net zero targets.
In the funding announcement, Dr Johnathan Matlock from Empirical Ventures said:
Industrial heat is one of the largest untapped levers in global decarbonisation. We led this round because HotGreen’s first-principles engineering and validated compressor architecture offer a credible path to profitable electrification.
The investor added that the technology combines high efficiency with strong unit economics and represents the kind of evidence-backed innovation Empirical Ventures targets.
If you're researching potential backers in this space:
- Explore our list of greentech venture capital firms in the UK
- Browse our directory of greentech angel investors in the UK
Who founded HotGreen Solutions?
The founders of HotGreen Solutions are Georgia Ware and Andrew Anderson.
In the funding announcement, Georgia Ware, CEO and Co-Founder of HotGreen Solutions explained:
Our isothermal compressor technology delivers a leading heat pump solution with clear cost and operational benefits for sectors struggling with energy costs and emissions. This funding milestone is a significant step toward our mission to help industrial plants save cost while cutting carbon.
Where is HotGreen Solutions based?
HotGreen Solutions is based in London, UK.
What sector is HotGreen Solutions in?
HotGreen Solutions operates in the greentech sector. The greentech sector develops technologies that reduce environmental impact and cut greenhouse gas emissions. In simple terms, it helps businesses use cleaner, more efficient energy.
Key trends and challenges in Greentech:
Electrification and efficient heat pumps
Industrial heat electrification can cut emissions significantly; process heat causes about 20% of global CO2 emissions.
Retrofitting existing plants without disruption
Many factories need drop-in solutions to avoid costly plant redesigns, for example replacing gas boilers.
Grid limits and energy costs
Electrifying heat raises electricity demand and costs, requiring grid upgrades and smarter power tariffs.
For a deeper look at innovation in this space, see the greentech startups in the UK.
They've invested in HotGreen Solutions
Get to know these greentech investors
| Investor | Sector | Stage | Activity | Team | Connect |
|---|---|---|---|---|---|
 Empirical Ventures | 10 investment(s) investment(s) | 5 contacts contacts | |||
 Coca-Cola Europacific Partners | 1 investment(s) investment(s) | more info | |||
 First Imagine! Ventures | 1 investment(s) investment(s) | more info | |||
 The Conduit Impact Fund | 1 investment(s) investment(s) | more info |
Click here for a full list of 7,233+ startup investors in the UK