10 field-tested tips
- 1HEPA alone doesn't remove gaseous odor — pair with carbon or PCO.
- 2PECO / PCO units address VOCs and some biologicals; sized correctly for room volume.
- 3Whole-building bipolar ionization is oversold — verify third-party data before installing.
- 4For hotel guestrooms, add HEPA + carbon units in premium suites.
- 5Ozone generators only in unoccupied spaces; ozone at occupied-space levels doesn't remove odor safely.
- 6UV-C in HVAC coils prevents 'dirty sock' bio-growth on cold coils.
- 7Bipolar-ionization retrofit only after independent lab validation.
- 8Portable air scrubbers are essential for smoke, mold, and remediation events.
- 9Refresh carbon media annually — saturated carbon releases what it captured.
- 10Match CADR to room volume; underpowered units are placebos.
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