ETT, A Climate of difference

Our slogan "A Climate of Difference" embodies our commitment to transforming environments through innovative climate and energy solutions. 

At ETT, we go beyond simply designing, manufacturing, marketing, and installing heating, ventilation, air conditioning, and dehumidification systems. We create atmospheres where comfort, energy efficiency, and environmental responsibility coexist harmoniously

As a family-owned company based in Ploudalmézeau at the tip of Finistère, ETT is recognized as a major player in the HVAC market, continuously growing, hiring, and expanding its influence.

ETT, a promise of innovation and commitment

With our ISO 9001 (1999) and ISO 14001 (2010) certified factory spanning 19,000 m², including 16,000 m² dedicated to production, we have the manufacturing capacity to customize solutions precisely tailored to each client's needs.

Whether for applications in retail, industry, leisure spaces, commercial buildings, airports, or logistics, ETT is committed to making a tangible difference in air quality and energy efficiency.

ETT, the choice for peace of mind

By choosing ETT, our clients are not just selecting an HVAC system provider, but a partner dedicated to creating a climate of difference – where innovation, quality, and environmental responsibility converge. Because customer satisfaction and support throughout the lifecycle of our air treatment systems is our priority, ETT has established a dedicated team of experts: ETT Services.

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ETT, a green industrial player

"A Climate of Difference" also embodies our vision for a sustainable future. We believe that every installation we complete contributes to a greener, more efficient world. That's why we constantly invest in research and development to offer cutting-edge technologies that reduce carbon footprint while maximizing comfort and energy savings.

Today, we are proud to count over 350 passionate and committed employees in our team.

Our corporate project

ETT in pictures