Home air purifier guides

Air purifier picks for musty, smoky and dusty homes

Plain picks and honest limits for HEPA air purifiers. Start with the problem you want to solve, like a damp basement, cigarette smoke or pet hair, or jump to room size, filter and running cost answers.

Latest guides

  • Levoit Core 400S-P
    Room Size & Small Spaces

    What Air Purifier Covers 1,000 Square Feet?

    An air purifier for 1,000 sq ft needs enough clean air delivery for your ceiling height and cleaning pace. Compare room ratings and choose a practical fit.

  • Levoit Vital 100S-P
    Mold, Mildew & Musty Rooms

    Do You Need an Air Purifier in the Bathroom?

    An air purifier for a bathroom may help with airborne particles and some odors, but ventilation and moisture control matter more for dampness and mold.

  • Levoit Core P350
    Smoke, Pets & Odors

    Can an Air Purifier Help With Cat Litter Smell?

    An air purifier for cat litter smell can reduce some airborne odors with activated carbon. Learn what to look for, where to place it, and when to skip one.

  • Winix 5520
    Mold, Mildew & Musty Rooms

    Will an Air Purifier Get Rid of a Musty Smell?

    An air purifier for musty smell can reduce some airborne odors with a carbon filter. Learn how to choose a purifier, use it well, and find the damp source.

  • Coway Airmega AP-1512HH
    Mold, Mildew & Musty Rooms

    Air Purifier vs Dehumidifier for a Damp Room

    Air purifier vs dehumidifier for a damp room: learn which one targets airborne particles, which lowers moisture, and when using both may help.

  • Levoit Core 300-P
    Filters, Tech & Running Costs

    Air Purifier vs Ionizer: Is an Ionizer Worth It?

    Air purifier vs ionizer: compare particle capture, ozone concerns, upkeep and room needs to choose the right air cleaning method for your home.

  • GermGuardian AC4825E
    Filters, Tech & Running Costs

    Are Air Purifiers With UV Light Worth It?

    An air purifier with UV light may add another particle-reduction step, but a well-sized HEPA filter does most of the work. Learn what to check before you buy.