655. Indoor Air = 5X Worse Than Outside

28 Jan 2026 · 6 min
Episode

28 Jan 2026 · 6 min

0:00

Podcast episode (Host: Derek Cole) arguing that indoor air can be 2–5× more polluted than outdoor air (cites EPA), explains how HVAC systems—particularly cold coils, condensation in drain pans, and units located in dark/damp crawlspaces—promote organic (microbial/moss-like) growth that is circulated through ducts, and recommends treating this at the source using UVC (UV light) and carefully controlled ozone applied inside the duct system (not living spaces) to neutralize organic growth and VOCs. Emphasizes curing root causes rather than surface chemical fixes and links to a full article on the host's website.

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