GUTMANN Passive House Suitability - Systematic Thermal Insulation

Passive house suitability of GUTMANN Wood-Aluminium Window Systems

Gutmann had the passive house suitability of their MIRA, MIRA contour and ­MIRA contour integral product family tested on the basis of EN standards by ift Rosenheim

System Cross Section



GUTMANN MIRA contour integral


  • Spruce frame material (no supplementary insulation / no sandwich construction)
  • Wood thickness 88 mm
  • Available with single, double and pitched rebate construction
  • Numerous additional profile combinations available
  • Efficient use of materials
  • Passive house suitability combined with proven usability


  • Uw ≤ 0.80 W/m²K | Uw installation ≤ 0.85 W/m²K
  • Ug = 0.6 W/m²K
  • Warm glass edge seal (Swisspacer V)
  • Frame temperature factor f0.13 ≥ 0.88
  • Glass edge temperature factor fRsi ≥ 0.73
  • Structure connection temperature factor fRsi ≥ 0.73


Modularly-designed proof of testing and expert opinion from ift Rosenheim
are available (results are transferable to additional profile models in the GUTMANN MIRA system).