Score - Sustainable Construction in Rural and Fragile Areas for Energy efficiency
Guidelines for Integrated territorial Planning:
Passive solar
Portugal, specifically the south, constitutes the point of view of the existence and availability of solar energy, an area of excellence, where every year there are about 2200-3000 sunshine hours, which equates to 14-17 MJ / m2/day.
The passive solar (or bioclimatic architecture) is used in buildings or isolated dwellings to ensure the natural warming through different strategies. Most of times, the huge amount of radiation implies the use of light/shadow strategies in the way that no other equipments will be used to maintain the comfort inside.
In Portugal, although several individual and small projects, mostly new ones in result of new principles applied by architects and engineers, in Lisbon, the building of LNEG – National Lab of Engineering and Geology is the most known Passive Building in Portugal.
In this building, several passive techniques are used:
- Natural lighting and ventilation;
- Passive cooling of air trough buried pipes;
- Passive air heating through windows and air pipes contact with PV panels, installed in the facades.
http://www.lneg.pt/download/4078/BrochuraSolarXXI_Dezembro2005.pdf