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The Washington State Department of Commerce has released, " Evergreen Sustainable Development Standard Version 3.0 ." Below are notes as related to residential airtightness testing:
Section 5.11: Airchange on rehab gets 3 pts for 7 ACH and 7 pts for 5 ACH. This could be difficult in some types of houses. Key step, is to find all the attic leaks around plumbing stack vents and...
Control blower doors and duct testers with the DM32. Automatically perform tests, share data and store secure results.