Thermal performance of a passive solar office building in Portugal

• Author(s): Gonçalves, Helder ; Silva, António Rocha e ; Rodrigues, Carlos
• Date: 2008
• Persistent ID: http://hdl.handle.net/10400.9/1064
• Origin: Repositório do LNEG
• Subject(s): Passive heating and cooling; PV heat covery
• Document Type: Conference Object
• Language: English

Description

This paper presents the thermal performance of a Passive Solar Office Building in Portugal in winter and summer 2006 and 2007. This Building, called Solar XXI, pretends to be an example of passive design both for heating and cooling. It contains a direct gain system assisted by a solar thermal system for winter conditions. In summer a ground cooling system (buried pipes) is used to cool the building, together with night cooling strategies. It also integrate in the vertical south envelope a Photovoltaic System (12 kWp) which provide around 12 MWh per year plus a 6kWp in the car parking, which correspond to around 76% of the electric energy consumption of the building. The integration of the PV system, in the building was done in such a way, that it is possible to recovery the heat production from the PV in order to be used for heating purposes