Ventilation and refrigeration work

1 compact partial air conditioner for supply and exhaust air including heat exchanger 4500 m3/h;

1 compact supply and exhaust air unit incl. Heat exchanger 5,700 m3/h

1 outdoor chiller with R290 refrigerant

484 m3 Luftltg aus verz. sheet steel, including fittings and insulation;

609 m spiral seam pipe up to DN 630;

35 m flexible pipe up to DN 225

91 Luftventile;

9 Drallauslässe;

9 grids,

20 Brandschutzklappen

172 m refrigeration pipeline up to DN 65,

60 m2 heating and cooling ceiling pipe register with 400 m pipe ltg up to DN 20