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If you own a blower door, this is worth a read

Here's an article from Rick Karg on RESNET-ANSI 380 - Standard for Testing Airtightness of Building Enclosures, Airtightness of Heating and Cooling Air Distribution Systems, and Airflow of Mechanical Ventilation.
https://www.robly.com/archive?id=b03f6f ... 855923fb99


  • David, thank you for the mention. I had the opportunity to see the great presentation by Iain Walker and Gary Nelson about ANSI 380 at the RESNET Conference in Scottsdale in early March. On that day, ANSI voted to adopt 380! I suggest all readers take the time to look over 380. It fills many voids left by other relevant standards, defines some needed terms, and probably has the longest name of any standard; 20 words!! You can find Iain and Gary's presentation here: http://conference.resnet.us/data/energy ... NFeb27.pdf