AIVC Ventilation Information Paper #45.1: Trends in building and ductwork airtightness in Estonia

We are happy to announce the release of AIVC's Ventilation Information Paper no 45.1: Trends in building and ductwork airtightness in Estonia. 

This is the first paper of a series of papers being developed and dealing with trends in building and ductwork airtightness in various countries. 

The paper is freely accessible. Please click here to download and read the document.