Headquarters of the Presidency, Lehendakaritza (Vitoria-Gasteiz)

Geothermal exchange system for the air conditioning of the Presidential Headquarters, Lehendakaritza, located in Vitoria-Gasteiz composed of a water-water heat pump for the production of heating and hot water heating at 60ºC. Deck condensation ring arrangement to provide cooling by VRV machines.

Characteristics

• Category

  Rehabilitation

• Promoter

  Basque Government (General Secretary of the Presidency)

• Geological material

  Alternating loams and loams

• Heated surface

  5.000m²

• Thermal production

  Water-water heat pump and condensing boilers

• GIS Power

  140 kW heating, 40% of peak load
  220 kW passive cooling

• GIS Covered Demand

  72% heating + DHW: 339 MWh/year
  14% cooling: 14 MWh/year

• Geothermal exchange circuit

  2.700 m drilling: 18 x 150 m

• Distribution

  2 tubes

• Issuers

  Radiators, underfloor heating and fan coils

• Expected energy savings

  396 MWh EP/year (42% savings)

• Commissioning

  July 2022