+34 93 244 84 40
Grupo Obrelsa


Obras Eléctricas S.A. gives a wide global service as specialized installation’s firm to industry working in projects as advisor or making industry maintenance. We know the customer needs through a deep work in each project and providing our knowledge and experience to get a job well done. Into our technician department are engineers, own qualified workers and a workshop to design and manufacture the electrical panels. Our staffs have:.

  • Low and medium voltage.
  • Industry electrical installations.
  • Transformer stations.
  • Generators.
  • Electrical panels.
  • Outdoor and indoor lighting.
  • Fire detection.
  • Instrumentation and control.
  • Technical assistance.
  • Preventive and corrective maintenance industry.

HVAC & Fluids

The activity of Obrelsa Clima Fluids S.L. are installations and industry maintenance, heat ventilation and air conditioning; fluids, plumbing, through our staff exclusively dedicated to it. Our technicians make the study, analysis and calculation, allows us make the more viable alternative and all those optimizations that lead to successful resolution requirements and expectations of the property. The solution of interference, cost overruns and later hidden problem is always an important objective within our department.

  • Air conditioning.
  • Ventilation.
  • Heating.
  • Fire Extinction.
  • Plumbing.
  • Pumping systems.
  • Pressure groups.
  • Boilers.
  • Water treatment and softeners.
  • Water treatment.
  • Gas.
  • Steam.
  • Compressed air.
  • Technical assistance.
  • Industry maintenance.

Renewable energy

Our Eco Industrial Renewable workers, have been made jobs in Spain, other European countries, South and Central America, Caribbean and Africa. Concerning the photovoltaic installations, we make assembly and supply structures and boards, wiring, installation of optical fiber to the control and safety system. When we act globally, we seek the best system of coordination of activities in order to improve the planning of execution.

  • Cogeneration.
  • Photovoltaic and thermal installations on roof.
  • Solar fields.
  • Biomass.
  • Geothermal.
  • Saving solutions and energy efficiency.
  • Technical assistance.
  • Preventive and corrective maintenance industry.

Weak signals

Currently our customers are ordering this kind of Jobs in addition to main ones. These jobs require putting attention to detail to shirk malfunctions often difficult to locate. Obras Eléctricas S.A. can do data voice installations, security, telephonic installations, optical fiber, and others.

  • Data voice.
  • Intercom.
  • CCTV.
  • Computer networks.
  • Structured cabling.
  • Security and detection.
  • Phone.
  • Optical fiber.
  • Instrumentation and control.
  • Access control.
  • Technical consulting.

Fire fighting

Currently our customers are ordering this kind of Jobs in addition to others. We have specialized collaborators able to get a right functioning of installation to fight against fire. The responsibility of Obrelsa Clima Fluids S.L. is giving a good service and the installation works correctly in fire case. This activity requires a hard specialization and our compromise is that our costumer is well protected against the fire.

  • Fire detection.
  • Fire extintion.
  • Pump rooms.
  • Bies, hydrants and sprinklers.
  • Ventilation systems.
  • Monitoring station.
  • Preventive and corrective maintenance industry.

Projects carried out