ETT and the Coronavirus crisis COVID-19

, ETT is adapting to contribute to this necessary collective effort, while offering you the best possible continuity of its services.

Thermal performance for energy optimisation

Maximising rooftop performance to reduce your energy consumption

Dehumidification system dedicated to aquatic sports and leisure centres

ETT air treatment solutions combine thermodynamics and ventilation systems.

Managing air treatment in extreme environments

An ATEX air conditioning system

ETT, a French manufacturer and energy transfer specialist


Key player in the design and manufacture of bespoke air handling systems with energy recovery and high performance heat pumps, ETT is based at the western tip of France.

Our 18,000 m2 factory (with 16,000 m2 dedicated to manufacturing), is certified ISO 9001 and ISO 14001. ETT’s tailor-made solutions address the challenges of today's demanding economic situation that privileges comprehensive solutions including all costs: purchase, installation, commissioning, energy consumption.


Learn more about ETT


ARAGO pool complex

La Roche sur Yon, France

ETT new generation DESHU bypass unit ensures both building durability and the comfort of swimmers in sports and leisure pools.

Contact us

ETT is located in more than 26 countries

Find your ETT Partner

Our news

ETT will be present at various trade fairs during March 2023. Meet us at : Forum de l’emploi (‘Job Fair’) on Thursday 23 March from 2pm to 6.30pm at l’Atelier du Stade Brestois For more information : 5th professional meeting of sports teams from 27 to 29 March in Marne-La-Vallée For more information : Further fair […]

On 29 November 2022, ETT, represented by Fabrice De Valens, participated in the day of conferences and exchanges in Marseille (France). On this day, about 20 companies were present to attend conferences, exhibitions and workshops. An exhibition on technologies was proposed by the members of the French Association ICO (Comfort Engineering, Target 2025.). The purpose […]

ETT – Erp Ready 4-damper heat pump CINEFFI ranges 4-damper heat pumps failing to comply with Regulation (EU) 2281/2016 shall no longer be marketed in Europe Regulation (EU) 2281/2016 on ErPs: The 4-damper ETT ranges are ErP Ready and comply with Directive 2009/125/EC, including Regulation (EU) 2016/2281 on cooling products, high temperature process chillers and […]