France – Repair and maintenance services of building installations – Exploitation des installations de chauffage, ventilation, traitement d’air, d’eau glacée, climatisation, d’eau chaude sanitaire, de traitement d’eau

Operation of heating, ventilation, air treatment, chilled water, air conditioning, domestic hot water, and water treatment systems for territorial buildings (excluding swimming pools) within the Vallée Sud – Grand Paris territory. | Operation of heating, ventilation, air treatment, chilled water, air conditioning, domestic hot water, and water treatment systems for swimming pools within the Vallée Sud – Grand Paris territory.