TightVent Europe’s website includes a page dedicated to providing answers to commonly asked questions regarding building and ductwork airtightness. Please visit https://tightvent.eu/faqs and learn:

• What is building airtightness?
• What is ductwork airtightness?
• What is infiltration/exfiltration?
• What is the energy impact of building and ductwork airtightness?
• Is there experimental data showing the energy savings of good building airtightness?
• Is good building airtightness compatible with good indoor air quality?
• What is an adhesive, a grommet, a vapour barrier, etc.?
• Are there groups of airtightness testers?
• How is the building airtightness quantified?
• How is the ductwork airtightness quantified?
• Are there databases on building and ductwork airtightness?
• What are relevant CEN standards related to ductwork & building airtightness?
• Is there on-going research in relation to durability of airtightness?
• What is the relationship between pressure and leakage air flow rate?
• What are the most common air leakage/infiltration paths?
• How do you design for airtightness?
• What is an air barrier?
• Is building and ductwork airtightness testing mandatory?
• What is a Blower Door?
• What is an airtightness/air leakage testing? What is fan pressurization?
• What does n50 mean?
• What are the impacts of poor envelope airtightness on ventilation, indoor air quality and building damage?
• What is the impact of duct leakage on comfort, ventilation, indoor air quality and fire security?
• …