/Companies

Airthium

YC S17

Paris, FR · Founded 2016 · 18 employees · 5 known investors

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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.

Founders & leadership· Y Combinator alumni (S17)

Airthium was founded in 2016 by Andrei Klochko and Franck Lahaye.

AKAndrei Klochko
Andrei KlochkoCEO and co-FounderAndrei Klochko holds a PhD in Plasma Physics from École Polytechnique and founded Airthium in 2015, where he serves as CEO and CTO.
FLFranck Lahaye
Franck LahayeCo-FounderCo-founder of Airthium, which manufactures high-temperature industrial heat pumps for process heating applications.

Investors · 5

Reported raises · per SEC filings

Form D private placements

$800K disclosed across 2 rounds · 2017–2021

▶$500KraisedFeb 2022 · 10 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Andrei KlochkoExecutive Officer, Director
  • Franck Gilles LahayeDirector
Offering amount
$500K
Amount sold
$500K
Minimum investment
$5K
Proceeds to insiders
$120K
First sale
Jun 2017
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$300KraisedFeb 2022 · 3 investors · Other Technology
Rule 506(c)
Officers, directors & promoters on the filing
  • Franck Gilles LahayeDirector
  • Andrei KlochkoExecutive Officer, Director
Offering amount
$300K
Amount sold
$300K
Minimum investment
$25K
Proceeds to insiders
$60K
First sale
Apr 2021
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06c
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 5

Companies working in the same space as Airthium.

Legal entities · 1

corporate structure
Airthium Inc.

Frequently asked questions

What does Airthium do?
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.
Who founded Airthium?
Airthium was founded by Andrei Klochko, Franck Lahaye in 2016.
Who are Airthium's investors?
Airthium's investors include Daphni, Polytechnique Ventures, Y Combinator, Agrolimen Ventures, DCVC (Data Collective).
How much funding has Airthium raised?
Airthium has disclosed $800K raised across 2 rounds.
Where is Airthium headquartered?
Airthium is headquartered in Paris, FR.