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.........Read More