Airthium
YC S17Paris, FR · Founded 2016 · 18 employees · 2 known investors
Airthium manufactures high-temperature industrial heat pumps that reach up to 550°C and operate in hybrid mode, switching between electricity and gas to optimize cost and carbon emissions. The system is designed for industrial process heat applications requiring reliable 24/7 operation in the 150–550°C range.
Advanced ManufacturingCleantechClimate TechHardwareEnergy StorageHard TechClimateEnergyin /airthium@airthium
Founders & leadership· Y Combinator alumni (S17)
Andrei KlochkoinFounder/CEO
Franck LahayeinCo-Founder
Investors · 2
In the news
- The Rise of Climate Project Crowdfunding (Climatize, Raise Green/Honeycomb Credit & Beyond)superpowers4good.com · 2025
- Daphni launches €250m climate tech fund to back ‘scientist-entrepreneurs’ | Siftedsifted.eu · 2025
- Airthium - 2025 Funding Rounds & List of Investors - Tracxntracxn.com · 2023
- Airthium - 2026 Company Profile, Team, Funding & Competitors - Tracxntracxn.com · 2023
- Y-Combinator Backed Airthium's Breakthrough Engine Aims to Replace Fossil Fuels and Decarbonize Industrial Heat and Power Generationfinance.yahoo.com · 2023
- Airthium on Wefunder 2022 - Kingscrowdkingscrowd.com · 2022
- 2021 Airthium (YC S17) Report | Wefunderwefunder.com