“Casa de lângă lac” project
nZEB Example

Passive House Certified Single-Family building in Romania with a heating demand of 15 kWh / (m2a) – calculated according to PHPP; and a cooling/dehumidification needs of 14 kWh / (m2a).

Building owner

Private

Building type
Project type
Country
Year of construction / major renovation

Construction: 2022
Renovation: N/A

Total floor area
156 m²
Envelope
Construction U-value
Walls

External Walls

0.113 W/m²K
Roof

Roof

0.11 W/m²K
Base

Floor Slab

0.134 W/m²K
Windows Uw Uf Ug G

window frame - Internorm, KF410
glazing - Saint Gobain

0.96 W/m²K N/A 0.5 W/m²K 58 %
Doors U-value

entrance door - Internorm, AT310

N/A
nZEB Parameters

Based on the Passive House Standard:

Heating demand - 15 kWh / (m2a) calculated according to PHPP
Heating load - 15W/m2

Cooling/dehumidification needs - 14 kWh / (m2a) calculated according to PHPP
Cooling load - 10W/m2

Airtightness - n50 = 0.58/h

PER demand (renewable primary energy) - 29 kWh / (m2a) for heating, hot water, auxiliary and household electricity calculated according to PHPP
Generation of renewable energy - 136 kWh / (m2a) reference to built-up area

PE requirements (non-renewable primary energy) - 59 kWh / (m2a) for heating, hot water, auxiliary and household electricity calculated according to PHPP

Comments

Passive House Certification

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