France – Repair and maintenance services of central heating – Entretien des installations individuelles de chauffage fonctionnant au gaz, eau chaude sanitaire et ventilation Pour les territoires 1, 2 et 3

Maintenance of individual gas-fired heating, domestic hot water and ventilation installations for territories 1, 2 and 3

The subject of the present contract is the maintenance and guarantee of parts and labour for individual heating, domestic hot water and collective ventilation installations.