What does Nextherm do?

French manufacturer of geothermal and aerothermal heat pumps with 40+ years expertise. Specializes in retrofitting existing geothermal systems and new installations, offering ground-to-water and air-source solutions compatible with legacy infrastructure.

Where is Nextherm located?

Nextherm is headquartered in Valence, France.

What energy sectors does Nextherm operate in?

Nextherm operates in Geothermal, Other.

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Nextherm

Valence, Drôme, France

GeothermalOtherPrivate

Founded 1993

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About

Founded in 1993, Nextherm is a private headquartered in Valence, France specializing in Geothermal, Other.

Nextherm is a French heat pump manufacturer founded by Jean-Luc Barrault, a pioneer in French geothermal technology. The company develops geothermal (Sol/Sol, Sol/Eau, Eau glycolée/Sol) and aerothermal heat pump solutions for both new construction and renovation of existing installations. With over 40 years of expertise in geothermal systems, Nextherm specializes in modernizing legacy geothermal installations by providing compatible equipment that can reuse existing ground loops, hydraulic networks, and technical infrastructure. The company collaborates with installer networks and engineering firms to deliver reliable, high-performance systems adapted to site-specific constraints and current market requirements.

heat pumpsgeothermalaerothermalHVACrenewable heating

Headquarters

Valence, France

Founded

1993

Company Type

Private