Four Ways Bad Duct Systems Can Lead to Poor Indoor Air Quality

Subtitle:

[source: http://www.greenbuildingadvisor.com/blogs/dept/building-science/four-ways-bad-duct-systems-can-lead-poor-indoor-air-quality]

Posted

April 9, 2014

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Green Blog Admin

Tags:

backdrafting, duct leakage, duct system, IAQ, indoor air quality, pressure

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