Passive Houses de Ílhavo – House B

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General Information:

• Project name: Passive Houses de Ílhavo – House B
• Project type: new building
• Building type: semi-detached house
• Building Typology: residential
• Location: Portugal, Aveiro District, Íhavo Municipality
• Year of construction: 2011-2012
• Number of buildings: 1
• Number of floors: 3
• Property area:  650 m²

 

Building Size:

• Gross building volume: 671 m³
• Gross heated floor area:  224 m²

 

Building Envelope:

• Exterior wall: 100 mm EPS;20mm plaster;  250 mm thermal block BTE 25; 20 mm interior plaster; U-value = 0.262 W/(m²K)
• Roof: 150 mm XPS + timber frame (5%); 250 mm fungiform slab of clay blocks; 20 mm plaster; Breathable barrier membrane; Ceramic tile over wood structure; U-value = 0.234 W/(m²K)
• Basement floor / floor slab: 8 mm floor; 50 mm Polystyrene board; 250 mm fungiform slab of clay;  120 mm  lightweight concrete; 150mm screed; 2 mm polyethylene film; U-value = 0.421 W/(m²K)
• Windows and balcony doors: Double glazing windows U g-value = 1 W/(m²K); Aluminum frame U w-value = 1.77 W/(m²K); Entrance door U d-value = 0.97 W/(m²K)

 

Building service systems:

• Ventilation: heat recovery ventilation unit.
• Heating: Exhaust air heat pump system; two small water radiators connected to a wood burning stove with water exchanger.

 

Building energy performance:

• Annual heating demand: 8 kWh/m²a
• Heating load: 10 W/m²
• Primary energy requirement: 63 kWh /m²a
• Air tightness: n₅₀ = 0,45/h

 Links for further information:

• http://www.passivhausprojekte.de/index.php?lang=en#d_2403
• http://www.passivhausplaner.eu/MusterPH_Projektdoku_Bild/passivhaus_Marcelino_Marcelino_Ilhavo-ID-2403.pdf