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.


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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.

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ETT is located in more than 26 countries

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Our news

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 […]

ULTIMA: The pioneer rooftop At the heart of innovation, ETT meets tomorrow’s requirements thanks to its new rooftop: ULTIMA EUROVENT Certified ErP 2021 Ready The ULTIMA range complies with the ecodesign requirements for air heating products, cooling products (EU Regulation 2016/2281) Fully communicating components and controller ensuring performance Smaller footprint The Ultima perfectly fits new […]