Residential Scenia. Multi-family Passivhaus building in Mediterranean climate (Zaragoza, Spain)

  • Type de projet : Construction Neuve
  • Type de bâtiment : Logement collectif > 50m
  • Année de construction : 2017
  • Année de livraison : 2018
  • Zone climatique : [Csa] Continental Méditerranéen - Tempéré, été sec et très chaud.
  • Surface nette : 4 150 m2
  • Coût de construction : 3 016 948 €
  • Nombre d'unités fonctionnelles : 26 Logement(s)
  • Coût/m² : 727 €/m2
  • Coût/Logement(s) : 116 036 €/Logement(s)


Modéré par : Sylvain Bosquet

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  • Publié le 08 juin 18
    par Clara Lorente|España
    Vue 4246 fois
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  • Concours

    Green Solutions Awards 2018 - Edificios

    Energía & Climas Temperados
    Edificio Inteligente
    Premio de los Usuarios


    Building Scenia

    The simplicity in the implementation of techniques and local constructive solutions has been sought to achieve the passivhaus standard without compromising the economic profitability of the promotion. With this aim, high levels of insulation have been incorporated into the thermal envelope with low thermal transmittances of U = 0.22-0.23 W / (m2K), high performance in the openings through high performance carpentry with U = 1.0 W / (m2K) and glasses of low thermal transmittance with U = 0.6 W / (m2K). We have tried a construction free of thermal bridges trying and justifying all existing cases to ensure compliance with energy losses, risk of surface condensation, appearance of mold and temperatures of comfort getting energy losses by thermal bridges over the global the demand only represent 3.5%. It is counted on the other hand with 82% efficiency in the heat recovery of the mechanical ventilation installation once installed, guaranteed by a continuous ventilation of the fully controlled air due to the high level of sealing of the building.

    The minimum contribution of energy necessary to guarantee comfort conditions has been solved by active measures of high efficiency such as the collective installation of heating with condensing boiler and terminal units by underfloor heating that allow working at low temperature or high air conditioning equipment efficiency. The reduction in the consumption of electricity is also addressed by the incorporation of high efficiency appliances and LED lighting.

    Likewise, renewable energy integration has been carried out to cover a contribution of 70% of the ACS demand through collective solar thermal installation.

    As a result, a good energy balance has been obtained, where in addition to applying the principles of the standard, other general passive design criteria have been incorporated consistent with the climate location of Zaragoza that guarantee a high efficiency of the building in the Mediterranean climate and especially in the case of refrigeration.

    Results

    - Passivhaus classic certification

    14 Kwh / (m2a) in heating demand, 11 (w / m2) of heating load, 5 kWh / (m2a) of heating demand, 5 (W / m2) of refrigeration load, watertightness 0.4 r / h and non-renewable primary energy consumption (passivhaus criterion) of 104 Kwh / (m2a). The energy reference surface of the building amounts to 4150 m2

    - Energy CTE

    10.02 Kwh / m2a) in demand for Heating, 12.57 Kwh / (m2a) in cooling demand, 26.88 Kwh / (m2a) in non-renewable primary energy consumption and 5.22 KgCO2 / (m2a)

    The estimation of costs for the demand of air conditioning of the building considering a slogan of 20 ºC in cold period and 25 ºC in warm period is estimated in 1 € / m2 per year which supposes savings of up to 90% in comparison with constructions previous to CTE and up to 75% against construction CTE 2006.

    The building has the installation of a prototype of IoT in one of the houses that allows the monitoring of temperatures and energy consumption in real time, which allows to value the energy efficiency of the building and corroborate design hypotheses to submit them to an improvement continues in the projects to be built in the coming years through this standard.


    Label/certification


    Localisation

    , 50012 Zaragoza España

    Données techniques