Καλά παραδείγματα κτηρίων χαμηλής ενεργειακής κατανάλωσης

 
 

Ex-Post building




General Information:
Project type: refurbishment
Building type: Office building
Building Typology: Non-residential
Location: Italy, Trentino-Alto Adige/Südtirol Region, Bolzano Province, Bolzano Municipality
Year of construction: 2004-2006
Number of floors: 5

Building Size: Treated floor area:  123 m2
Building Envelope:
Exterior wall: 4 mm exterior plaster; 2 mm glue; 200 mm EPS 150; 2 mm glue; 150 mm bricks; 12 mm interior plaster; U=0.216 W/(m2K)
Roof: 20 mm interior plaster; 150 mm concrete; 500 mm EPS 150; U-value=0,066 W/(m2K)
Basement floor: 15 mm laminate; 5 mm underlayer; 30 mm lightweight concrete; 50 mm EPS 150; 400 mm concrete;  U-value=0,48 W/(m2K)
Window and balcony doors: windows with wooden frame; U=0.749 W/(m2K)
Building service systems:
Ventilation: ventilation unit with heat recovery and subsoil heat exchanger.
Heating: air conditioning system.
Photovoltaic installation: improved flat plate solar collector for DHW, with 300 l storage for each house.
Building energy performance:
Annual heating demand:  13 kWh/m2a
Heating load:  14 kWh/m2a
Primary energy requirement: 86 kWh /m2a
Air tightness: n50 = 0.6/h

 

Traditional houses in Agria




General Information:
Project type: new building
Building type: semi-detached house
Building Typology: residential
Location: Greece, Magnesia Region, Agria Municipality
Year of construction: 2012
Number of buildings: 3
Number of floors: 3
Building Size: Treated floor area:  123 m2
Building Envelope:
Exterior wall: 4 mm exterior plaster; 2 mm glue; 200 mm EPS 150; 2 mm glue; 150 mm bricks; 12 mm interior plaster; U=0.216 W/(m2K)
Roof: 20 mm interior plaster; 150 mm concrete; 500 mm EPS 150; U-value=0,066 W/(m2K)
Basement floor: 15 mm laminate; 5 mm underlayer; 30 mm lightweight concrete; 50 mm EPS 150; 400 mm concrete;  U-value=0,48 W/(m2K)
Window and balcony doors: windows with wooden frame; U=0.749 W/(m2K)
Building service systems:
Ventilation: ventilation unit with heat recovery and subsoil heat exchanger.
Heating: air conditioning system.
Photovoltaic installation: improved flat plate solar collector for DHW, with 300 l storage for each house.
Building energy performance:
General Information:Annual heating demand:  13 kWh/m2a
Heating load:  14 kWh/m2a
Primary energy requirement: 86 kWh /m2a
Air tightness: n50 = 0.6/h
 

Family house in Alykes Volos




General Information:
Project type: new building
Building type: detached single family house
Building Typology: residential
Location: Greece, Magnesia Region, Volos Municipality
Year of construction: 2012
Number of buildings: 1
Number of floors: 3
Building Size: Treated floor area:  123 m2
Building Envelope:
Exterior wall: 3 mm exterior plaster; 12 mm dry concrete panel; 100 mm polyorethane panel; 100mm still air; 100 mm rockwool; 70 mm OSB honeycomb; 16 mm gypsum panel; U=0.1 W/(m2K)
Roof: 150 mm polyorethane panel; 120 mm steel beams; 100 mm still air; 100 mm rockwool; 16 mm gypsum panel; U-value=0,104 W/(m2K)
Basement floor: 15 mm tiles; 5 mm glue; 30 mm lightweight concrete; 100 mm EPS 150; 400 mm concrete;  U-value=0,213 W/(m2K)
Window: triple glazing; U=0.69 W/(m2K)
Building service systems:
Ventilation: domestic ventilation unit.
Heating: air-air heat pump, radiators and wood fireplace.
Photovoltaic installation: 4,6 m² collector area (flat), covering 86% DHW.
Building energy performance:
Annual heating demand:  13 kWh/m2a
Heating load:  14 kWh/m2a
Primary energy requirement: 63 kWh /m2a
Air tightness: n50 = 0.75/h
 

Barmouth Road




General Information:
Project type: refurbishment
Building type: Victorian terraced house
Building Typology: residential
Location: United Kingdom, England, London
Year of construction: 2013
Number of buildings: 1
Number of floors: 2
Building Size: Treated floor area: 139 m2
Building Envelope:
Exterior wall: – 230mm existing solid brick wall; 30mm ventilated cavity; 100mm phenolic insulation; 15mm OSB with airtightness tape; 12,5mm plasterboard; U=0.173 W/(m2K)
Roof: 80mm phenolic insulation (between rafters); 50mm phenolic insulation (under rafters); 15mm OSB with airtightness tape; 12,5mm plasterboard; U-value=0,14 W/(m2K)
Basement floor: 65mm concrete screed; 30mm PIR insulation; 100mm phenolic insulation; 150mm concrete slab; U-value=0,112 W/(m2K)
Window: triple glazing; U=0.58 W/(m2K)
Building service systems:
Ventilation: mechanical ventilation with heat recovery (MVHR).
Heating: Condensing gas boiler with 300 l DHW cylinder. Under floor heating on lower floor and radiators on upper floor. Heat recovery from MVHR unit.
Building energy performance:
Annual heating demand:  23 kWh/m2a
Heating load: 14 W/m2
Primary energy requirement: 114 kWh /m2a
Air tightness: n50 = 0.87/h
CO2 emissions: yearly production of 20 kg CO2/m2

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