BlowerDoor webinars

Benefit from our webinars on various topics! Duration approx. 60 minutes. Your participation is free of charge. Please register by e-mail to Alexander kiss(at)

BlowerDoor Test of Residential Buildings

  • Legal requirements according to EN ISO 9972
  • Calculation of the air change rate n50
  • Calculation of the building volume
  • Building preparation
  • The modular BlowerDoor measurement system
  • Leakage detection
  • Automated BlowerDoor test

Wednesday, 11/09/2024
Wednesday, 11/12/2024

03.00 - 04.30 PM

BlowerDoor MultipleFan

BlowerDoor Measurement in large buildings

  • Determining the necessary number of BlowerDoor fans
  • Particularities in building preparation and leakage detection, e.g. thermal imaging
  • Conducting a BlowerDoor Measurement with two or more BlowerDoor fans using the software TECLOG 4
  • Assessing and evaluating data, documenting measurements
  • Explanations as to problems and obstacles measurement teams may encounter at construction sites
  • Cost estimation

Wednesday, 09/10/2024

03.00 - 04.30 PM

New: BlowerDoor FireProtection

Extinction gas holding times according to ISO 14520 (Door Fan Test)

  • FireProtection 2021: New features
  • Legal basics of the Door Fan Test
  • Functioning of gas extinguishing systems
  • Preparation of the measurement
  • Procedure of the measurement
  • Sample measurement with a Test Report

Wednesday, 13/11/2024

03.00 - 04.30 PM

One-day seminars

Benefit from our comprehensive range of seminars we regularly offer in cooperation with the Energie- und Umweltzentrum am Deister GmbH. All of the following practice-oriented seminars are also available as in-house training at your facilities if required. Contact us for more information!

Introduction to BlowerDoor Testing
according to ISO 9972 and EN 13829

BlowerDoor MultipleFan
Airtightness measurement in large buildings