BlowerDoor online training – additional offers now!

Due to the current situation we offer some interesting short presentations on various topics about the "airtight building envelope" and "BlowerDoor measurements" as online training for you. Participation is free of charge for you. Duration: approx. 20 minutes each.

If you are interested, please contact Mr. Alexander Kiss by e-mail at kiss(at)  and you will receive a link for the corresponding short presentation or online seminar, which we will conduct via TeamViewer.

Our next short presentations

Friday, 27/03/2020 at 11:00 a.m. (CET)
Best way to get a good airtightness

Tuesday, 31/03/2020 at 11:00 a.m. (CET)
When is the best time for a BlowerDoor test?

Wednesday, 01/04/2020 at 14:00 a.m. (CET)
The BlowerDoor measurement of single residential buildings

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!

Please note that due to the current situation we do not offer the following trainings until April 19, 2020. We will inform you about later offers as soon as possible. Thanks you for your patience and your understanding.

Introduction to BlowerDoor Testing
according to ISO 9972 and EN 13829

BlowerDoor MultipleFan
Airtightness measurement in large buildings