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citadel
Our goals

    INVESTMENTS OF SUSTAINABLE

CLS performs a continuous upgrading of the services offered in its buildings.


We strive to implement an environmental policy on our entire portfolio.


This approach is developed in close liaison with our tenants in order to optimize the energy performance of our heritage.


For this we rely on the expertise, synergy and'expérience pan-European group CLS Holdings plc.

In 2015 we have reduced energy withdrawn from district heating and cooling systems by 28%, and reduced energy usage from fuels by 17%.