Decoding Clean Air: A Practical Guide to Air Purifier Metrics (CADR, ACH, and More)

Published on Oct. 8, 2025, 3:49 p.m.

An air purifier's specification sheet can feel like an alphabet soup of acronyms: CADR, HEPA, CARB, CFM. These technical terms …

The Unseen Mechanism: An Inquiry into Negative Ion Air Purifiers

Published on Oct. 8, 2025, 1:53 p.m.

There is a palpable freshness in the air after a thunderstorm, a crispness near a cascading waterfall, a certain vitality in a …