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ift-Guideline LU-01/1 - Ventilation systems for windows Part 1 - Performance characteristics


ift-Guideline LU-01/1 - Ventilation systems for windows - Part 1: Performance characteristics

Division Building components:

Further information and contact

Scope according to ift-Guideline LU-01/1 (Chapter 1):

This guideline specifies procedures independent of material for the performance characteristics of ventilation systems for windows. It applies for decentralized ventilation systems for windows that are integrated in the window or linked to the window (ventilation systems for windows) that are regulated manually, automatically or sensorially.

Requirements according to ift-Guideline LU-01/1 (Chapter 3):

  • Ventilation test
  • Air permeability
  • Watertightness
  • Acoustical characteristics
  • Thermodynamic test
  • Test for frost protection strategy
  • Filter and insect screen
  • Condensation in ventilation system for windows
  • Internal leckage
  • Regulation
  • Burglar resistance
  • Energy consumption
  • Durability
  • Handling, installation, maintenance and service
  • Thermal properties, U-value


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