February 23, 2012 @ 4:32 PM

Corralled all the blower door results for this project.  The auditor from Xcel Energy measured an airflow of 2900 cubic feet per minute at 50 Pascals during the pre-construction audit.  Mike Childs from the Neighborhood Energy Consortium did the post-construction inspection.  His blower door test measured 1820 cubic feet per minute at 50 Pascals.

He pronounced the 37% reduction "very good".

 

The blower door depressurizes the house to simulate a wind of 20 miles per hour blowing on all surfaces of the home.  It makes easy to detect where air is leaking.  Using the blower door during the post-construction inspection allowed us to find a particular snaky leak which we'd.........

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