Healthy Indoors Show - Ellen Tohn interview - May 13, 2018

May 13, 2018
Host Bob Krell interviews industry consultant & researcher, Ellen Tohn, after her keynote presentation at the IAQ & Energy 2018 Conference on May 2, 2018.
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IAQ and Energy 2018 Stream 2 Day 2
IAQ and Energy 2018 Stream 2 Day 2