The French industrial collective

20 companies.
Technologies worth understanding.

France Cleantech Industries brings together SMEs turning heat, cooling, electricity, gases and water into decarbonisation solutions. This directory explains what each member does, how its technology works and where it can be applied.

Featured Active member since April 2025

Fenix Energy

A low-carbon industrial boiler fuelled by recycled iron powder.

Explore the technology

Explore the technologies

Search by company, process or use case. Filters let you compare members by broad technology family.

20 members

01 New

EXORA

Recovering low-temperature waste heat

Active member since May 2026

01 The solution

Producing cooling from low-temperature waste heat.

02 Technology principle

Water adsorption in patented porous materials captures and stores heat before converting it into useful cooling.

02 New

Savoie Process

Waste-heat recovery

Active member since July 2025

01 The solution

Electric thermal management producing heating and cooling simultaneously.

02 Technology principle

ECOFICIENT uses mechanical vapour compression in a closed loop that captures, stores and redistributes waste heat.

03 New

Heatlift

Industrial heat pumps up to 200°C

Active member since July 2025

01 The solution

An industrial heat pump producing steam, hot air or superheated water.

02 Technology principle

A proprietary centrifugal compressor and optimised heat exchangers upgrade waste heat from 30–80°C to useful heat at up to 200°C.

04 New

Fenix Energy

Low-carbon industrial boilers

Active member since April 2025

01 The solution

A low-carbon industrial boiler fuelled by recycled iron powder.

02 Technology principle

Iron powder oxidises to produce heat; the resulting oxide can then be regenerated using green hydrogen.

05 New

Enogia

Heat-to-power ORC systems and innovative turbomachinery

Active member since April 2025

01 The solution

ORC modules and micro-turbomachinery for energy and hydrogen applications.

02 Technology principle

A closed-loop Organic Rankine Cycle captures available heat and drives a micro-turbine coupled to a generator.

06 New

TMW

Evaporation and concentration of industrial effluents

Active member since April 2025

01 The solution

Treatment and reuse of industrial effluents through evaporation and concentration.

02 Technology principle

ECOSTILL concentrates and distils effluents at low temperature using humidification–dehumidification, with no compressor or vacuum pump.

07 New

Propellane

High-temperature heat pumps

Active member since April 2025

01 The solution

A high-temperature industrial heat pump with thermal storage.

02 Technology principle

The heat pump raises the temperature to as much as 300°C while integrated storage retains surplus energy and releases it when required.

08

Airthium

Industrial heat pumps up to 550°C

Active member since April 2023

01 The solution

Very-high-temperature industrial heating using a heat pump.

02 Technology principle

A helium-based heat pump upgrades waste or ambient heat to deliver useful heat at temperatures of up to 550°C.

09

Eco-Tech Ceram

High-temperature thermal energy storage

Active member since December 2023

01 The solution

Storage and recovery of high-temperature industrial heat.

02 Technology principle

Eco-Stock® captures and stores high-temperature waste heat, then releases it as useful heat or electricity.

10

Stolect

Large-scale thermal electricity storage

Active member since April 2023

01 The solution

Large-scale electricity storage through thermal conversion.

02 Technology principle

A Carnot battery converts electricity into heat stored in rocks or ceramics, then converts that heat back into dispatchable electricity.

11

SARUS

Recovering pressure energy

Active member since August 2023

01 The solution

Recovering pressure energy from gas networks.

02 Technology principle

A free-piston expander and linear generators convert gas expansion into useful work, cooling or electricity.

12

CIXTEN

Converting waste heat into useful energy

Active member since April 2023

01 The solution

Conversion of low-temperature waste heat into useful energy.

02 Technology principle

A closed supercritical-CO₂ loop turns waste heat into electricity, compressed air or mechanical energy.

13

ANANKÉ

Cogeneration from industrial waste heat

Active member since April 2023

01 The solution

Cogeneration using high-temperature industrial waste heat.

02 Technology principle

Based on the Ericsson engine, KEOS and IONEX modules turn waste heat into compressed air or electricity while recovering useful heat.

14

PackGy

Reversible thermodynamic machine

Active member since April 2023

01 The solution

A reversible thermodynamic machine that produces heating, cooling or electricity.

02 Technology principle

The system couples hot and cold sources to operate either as a heat pump or as a machine that converts the temperature difference back into electricity.

15

Hevatech

Converting industrial waste heat into electricity

Active member since April 2023

01 The solution

Electricity generation from industrial waste heat using TURBOSOL and complementary technologies.

02 Technology principle

A thermodynamic loop transfers waste heat to a turbine and generator; Hevatech adapts the architecture to the source temperature and industrial use case.

16

Enertime

ORC systems, heat pumps and turboexpanders

Active member since April 2023

01 The solution

High-power thermodynamic machines that recover industrial waste energy.

02 Technology principle

Depending on the requirement, ORC modules generate electricity, heat pumps upgrade low-grade heat and turboexpanders recover the energy released by gas expansion.

17

Entent

Electricity from low-temperature heat

Active member since April 2023

01 The solution

Power generation from low-temperature heat.

02 Technology principle

PULSE vaporises an organic fluid in a closed loop to drive an expander coupled to a generator.

18

ExtraJool

Waste-heat recovery

Active member since December 2023

01 The solution

Generating electricity from lower-power industrial waste-heat streams.

02 Technology principle

An external-combustion Ericsson engine with a liquid piston converts available heat into electricity.

19

Terrao

Heat recovery and air treatment

Active member since April 2023

01 The solution

Heat recovery and pollution removal from air or flue gases.

02 Technology principle

Direct contact between gas and water transfers heat and matter, washes the gas stream and then removes pollutants as the water is regenerated.

20

Equium

Acoustic heat pumps

Active member since May 2024

01 The solution

An acoustic heat pump with no mechanical compressor.

02 Technology principle

Acoustic resonance in helium creates harmonic compression that produces useful heating or cooling.

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