He also has a YouTube channel  that has a ton of useful information on proper ventilation, humidification, and environmental safety, along with podcasts . You can also check out his main site, Building Performance Workshop .
Alternatively, there are books on the subject of "building performance" that you may want to check out.
 Home Performance Diagnostics Book: https://www.amazon.com/Home-Performance-Diagnostics-Advanced...
 Home Performance YouTube channel: https://www.youtube.com/c/HomePerformance/videos
 the Building Performance Podcast: https://buildingperformancepodcast.com/
 Building Performance Workshop: https://buildingperformanceworkshop.com/
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