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Nature Passive

m-sora-nature-passive-windowNATURE PASSIVE window effectively contributes to saving energy in buildings. Energy saving & sound insulation were a top priority when designing and developing this window. But in spite of the superb insulation qualities the window preserves all other superior features – from modern design to brilliant final touches.
an innovative installation system increases the energy efficiency of the interior as the façade covers the entire window frame and minimizes warmth loss.
this window (made of wood) does not need any maintenance or aluminum protection on the outer side
the lower part of the window can be changed in order to be in sync with the building
modern design
suitable for low-energy buildings
easy maintenance and exceptionally long product lifespan

Resistance to wind load (EN 12210): Class C2/B3 (single and double casement)
Watertightness (EN 12208): Class 8A (single casement) and class 7A (double casement)
Air permeability (EN 12207): Class 4 (single and double casement)

Window thermal transmittance
Certificate- Nature Passive – 0,6
Certificate- Nature Passive – 0,7
Use and maintenance instructions
Windows catalogue

Profile dimensions installation depth 68 mm
visible width 100 mm
Instalation options rectangular
arched, semicircular
Opening options fixed
combined (d and dk)
folding walls
tilt-slide walls
lift-slide walls
opening outwards
two-sided handle
Thermal insulation of the window (Uw) Ug = 1,1
Ug = 1,0
Ug = 0,7 0,94 W/m²K
Ug = 0,6 0,84 W/m²K
Ug = 0,5