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

  • Coway Airmega AP-1512HH
    Brands, Models & Top Picks

    Coway vs Dyson Air Purifiers: Which to Buy?

    Coway vs Dyson air purifier: compare filtration, coverage, running costs and controls, then choose the Coway Airmega AP-1512HH for most rooms.

  • Shark NeverChange HP152
    Brands, Models & Top Picks

    Blueair vs Shark Air Purifier: Which to Buy?

    Blueair vs Shark air purifier: we compare coverage, filtration, noise, smart features and filter costs so you can pick the right one for your room.

  • Honeywell PowerPlus HEPA Air Purifier for Home
    Brands, Models & Top Picks

    Blueair vs Honeywell Air Purifiers

    Blueair vs Honeywell air purifier: compare filtration, smart controls, noise and room coverage, then choose the model that fits your bedroom or living room.

  • 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.