Share 'David Bohac's Home Energy Article, "Zone Pressure Diagnostics" in the May/June, 2002 issue'
Zone pressure diagnostics (ZPDs) are used to identify and measure series leaks, or leaks that pass through several zones of the house. <a href="http://homeenergypros.lbl.gov/group/toolsofthetrade/forum/topics/the-blasnik-methods-zone">Read more</a>
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