Freedom Blogs

Ionizer vs HEPA air purifier: how each works, ozone concerns, and where UV-C and PCO fit, based on EPA and CARB guidance.

MERV vs HEPA explained: what MERV 8, 13 and 16 catch compared with HEPA, why most furnaces can't use HEPA and where a HEPA air purifier fits.

HEPA vs carbon (charcoal) filters compared: what each removes, how each wears out and which you need for allergies, odors, smoke and chemicals.

True HEPA vs HEPA explained, plus H13 vs H14 and HEPA vs ULPA: efficiency ratings, what MPPS means and which you need at home.