Moradia Beja – LIFE ReNaturalNZEB project
nZEB Example

In the LIFE ReNaturalNZEB project we simulate an existing house in order to make it an NZEB building, using natural and recycled materials for different insulation and housing structure, such as ICB or rock wool insulation, and for CLT or LSF structure for example. For technical systems we simulate solar thermal systems and biomass heat recovery systems.

Building owner


Building type
Project type
Year of construction / major renovation

Construction: 2015/16
Major renovation: N/A

Total floor area
167.06 m²
Construction U-value
nZEB Parameters

So far, the simulation with the best values was the house with LSF structure and ICB insulation 10cm on the outside and 10cm of rock wool on the inside.

Energy needed for heating: 12,31 kWh/(m2a)
Energy needed for cooling: 7,92 kWh/(m2a)
Building tightness: n/a
CO2 emissions: on going
Embodied energy: on going

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