
Proven expertise
The HVAC and energy systems business combines Eiffage Énergie Systèmes' traditional disciplines:
- heating, ventilation, air conditioning and smoke removal
- industrial heating
- plumbing
- special and industrial utilities.
We design, build, operate and maintain HVAC and energy systems for our customers, whether for new-build or renovation projects, turnkey developments or special operations.

Enhancing your energy performance
Our highly-motivated teams support your energy performance strategy, bringing you the most effective energy optimisation and management solutions.
Clévia, the HVAC and energy engineering brand business
To present our expertise as clearly as possible, Eiffage Energie Systèmes has chosen to unite the various HVAC and energy systems businesses under a single brand: Clévia.
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Electrical engineering
Every structure – whether an industrial plant, a commercial building or an infrastructure – has its own electrical engineering requirements.
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Industrial engineering
Specialising in industrial processes, Eiffage Énergie Systèmes' teams of industrial engineering experts address customers' process optimisation requirements.