Airtightness of Buildings—Evaluation of Leakage-Infiltration Ratio and Systematic Measurement Error due to Steady Wind and Stack Effect

The fan pressurization method that is widely used to measure the airtightness of buildings is known to have quite large measurement error. It is made up of random measurement error (precision) and systematic measurement error (bias).

Feedback from the AIVC webinar "Alternative methodologies to evaluate airtightness"

We are happy to inform you that the recordings and slides of the AIVC & TightVent webinar; "Alternative methodologies to evaluate airtightness" held on June 19, 2023 are now available online here.

Check them out and subscribe to our YouTube channel to receive our latest video updates!

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Building and ductwork airtightness in China

The AIVC is happy to announce the release of a new publication!

This paper is part of the new VIP series being developed and dealing with trends in building and ductwork airtightness in various countries.

Previously released papers include:

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VIP 45.8: Trends in building and ductwork airtightness in China

AIVC's Ventilation Information Paper #45.8 summarizes current knowledge on trends in building and ductwork airtightness in China.

 

Upcoming AIVC/TightVent webinar: "Alternative methodologies to evaluate airtightness"

The AIVC is inviting you to register for the upcoming webinar "Alternative methodologies to evaluate airtightness" to be held on June 19th, 2023 (10:00 - 11:30 CET). Participation is free for all, but prior registration is required.

For further information on the detailed agenda, registration etc. please follow this link.

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19 June 2023, Webinar – Alternative methodologies to evaluate airtightness

A pressurization test with a blower door fan is the most widely accepted and used method to evaluate the airtightness of a building, but it presents some drawbacks. Alternative methodologies have been, or are being, developed and three of them were presented in this webinar:

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Feedback from the AIVC Webinar: "Building & ductwork airtightness trends and regulations in CZ, LV & ES"

The recordings and the slides of the AIVC & TightVent Webinar: "Building and ductwork airtightness trends and regulations in the Czech Republic, Latvia and Spain" are now available online here.

The full collection of past events’ recordings and slides can be found here.

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Feedback from the AIVC Webinar: "Building & ductwork airtightness trends and regulations in FR, BE & GR"

The recordings and the slides of the AIVC & TightVent Webinar: "Building and ductwork airtightness trends and regulations in France, Belgium and Greece" are now available online here.

The full collection of past events’ recordings and slides can be found here.

English

Building and ductwork airtightness in Greece

The AIVC is happy to announce the release of a new publications!

This paper is part of the new VIP series being developed and dealing with trends in building and ductwork airtightness in various countries.

Previously released papers include:

English

VIP 45.7: Trends in building and ductwork airtightness in Greece

AIVC's Ventilation Information Paper #45.7 summarizes current knowledge on trends in building and ductwork airtightness in Greece.

A recorded presentation covering this topic is also available at this link.

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