Tender for Now, this contract is the renewal of the offices' climateization system and industrial cooling systems of the optical electrical hydroATL electricity rooms, in the works centers of ETA Llobregat, ITAM Lregat, ETA, Tert, and ED fontsant. Substitution work for climate equipment will include unmount, mechanical and electrical installation, and the running test tests. The current booking proposal looks at the following jobs to perform: the support of Spain's office climateization equipment: volume climateization units cooling wall-type variable and type case type. • industrial cooling equipment: compact type cooling units (Rooftop) and unit cooling units. • Unmounting the current equipment with recovery from the freezer for its destruction, mounting the new teams, performing jobs and electrical cables, and trying to go into complete progress. This request is divided into the following batch: • Lout 1: Locations of the weather system of the hence office offices Plan 2.4.6 . • Lot 2: Opens of industrial cooling system of the electrical electrical electricity rooms. Plan 17.01.