Building and ductwork airtightness in the Netherlands: national trends and requirements

(numbered VIP 45.XX), detailing for both building and ductwork airtightness:

• the national requirements and drivers (regulations, incentives, justifications and sanctions)
• whether it is taken into account in the energy performance calculations and how;
• the test protocol (testers qualifications, national guidelines, requirements on measuring devices);
• the tests already performed and whether there is a results database;
• key documents.

This presentation focuses on the airtightness trends in the Netherlands.