ByTheRank
Every ranking here is computed from published specifications with weights we state on the page, so you can check the math and re-rank for your own priorities. We don't list prices, which change daily: check the retailer for the current one.
Rankings
- Air purifiers for large rooms that cost the least to run, ranked by certified data
- Best 50-pint dehumidifiers, ranked by certified efficiency
- Best air purifiers for allergies: top certified pollen CADR, ranked by dust CADR and running cost
- Best air purifiers for small rooms (up to 250 sq ft), ranked by certified data
- Best air purifiers for smoke, ranked by certified smoke CADR
- Best small dehumidifiers (up to 35 pints a day), ranked by certified data
- Best smart Wi-Fi air purifiers, ranked by certified data
- Best whole-house dehumidifiers, ranked by certified data
- The most energy-efficient air purifiers, ranked by certified CADR per watt
- The most energy-efficient dehumidifiers, ranked by certified efficiency