Belgium – Repair and maintenance services of electrical and mechanical building installations – Onderhoudscontract voor de ventilatie en de secundaire circuits voor de productie van warm en koud water in de stations en administratieve gebouwen in de regio Brussel

New contract for the preventive maintenance of the HVAC air and hydraulic distribution systems. This is for heating and cooling. Periodic delivery and replacement of filters and/or trapezoidal belts in the air handling units, ceiling cassettes, etc. Checking the proper functioning of the secondary HVAC installations such as the electrical control and mechanical operation of three-way valves, circulation pumps, fans, VRV systems and air dampers.