AIVC Ventilation Information Paper #45.2: Trends in building and ductwork airtightness in Spain

We are happy to announce the release of AIVC's Ventilation Information Paper no 45.2: Trends in building and ductwork airtightness in Spain.

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

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

The first paper "VIP 45.1: Trends in building and ductwork airtightness in Estonia" was released in July, 2022 and can be found here.