An offer based on responsiveness and know-how

Brunet, a subsidiary of the Ortec Group, specializing in tertiary services, ensures made-to-measure services in the field of thermal engineering with a desire to satisfy both its customers’ expectations and today’s environmental challenges.

Our Expertises


The teams at Brunet, working out of agencies or in design offices, support their customers in the design, installation and maintenance of their thermal projects (heating, air-conditioning, air treatment) aiming to combine comfort with technical and energy performance.

Thanks to Brunet’s experience in the field of multi-technical industrial maintenance, its network of more than 40 agencies throughout France, its dedicated teams and its digital intervention management solution, it can provide efficient and responsive installation and maintenance solutions.

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The know-how and availability of the Brunet teams enable it to ensure a wide variety of thermal engineering services to meet the requirements of tertiary and industrial customers, whether for straightforward projects of ambient temperature management or for more complex, multi-factor projects.

Gas, fuel and geothermal heating

  • Boiler rooms
  • Boilers
  • Underfloor heating
  • Geothermal energy
  • Warm air gas heaters, radiant gas heaters

Direct expansion air-conditioning

  • Mono and multi-split
  • VRF system
  • Heat pump
  • Control and recovery of refrigerant fluids
  • Maintenance

Air treatment and frigid water

  • Air treatment units, roof top, cooling tower
  • Controlled Mechanical Ventilation
  • Extractors and Fans
  • Frigid water cooling unit, fan coil


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Equipment and maintenance of tertiary premises:

  • Offices
  • Naves
  • Conference rooms
  • Warehouses
  • Eating and accommodation areas
  • Wineries
  • Etc.
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A specialist in thermal viticulture

With Ertia, Brunet proposes a specialist offer in thermal solutions dedicated to winemaking. Heating solutions that allow for the storage of grapes, hot extraction through dynamic maceration or thermoflash, fermentation after pressing or winemaking. Thermo-regulating solutions are, for their part, adapted to the process or to aging.

Our markets

Construction & Real Estate

Government & Local Authorities