Miramon EITB Headquarters (Donostia/San Sebastian)

Geothermal exchange system for the air conditioning of the EITB headquarters in Miramon, located in Donostia/San Sebastián together with an inverter screw water-water chiller and R-1234ze refrigerant.

Characteristics

• Category

  Rehabilitation

• Promoter

  EITB MEDIA, S.A.U.

• Geological material

  Alternation of Cretaceous sandy marls and limestones

• Heated surface

  10.680 m²

• Thermal production

  Water heat pump, water, air-water chillers and boilers

• GIS Power

  412 kW Heating, 32% of peak load
  365 kW Cooling, 37% of peak load

• GIS Covered Demand

  83% heating: 459 MWh/year
  52% cooling: 451 MWh/year

• Geothermal exchange circuit

  6,225 m drilling separated into 43 boreholes

• Distribution

  4 tubes

• Issuers

  Fan-coils and air conditioners

• Expected energy savings

  685 MWh EP/year (42% savings)

• Commissioning

  August 2023