Best large-room air purifiers and humidifiers
The large-room selection covers both air purifiers and humidifiers for open floor plans and large living areas. Purifiers are chosen on published clean-air delivery, humidifiers on published moisture output and coverage.
BLUEAIR
BLUEAIR Blue Pure 211i Max
- CADR
- 435 / 453 / 450 CFM (Smoke / Dust / Pollen, AHAM Verifide)
- Coverage
- 674 sq ft (4.8 ACH)
- Noise level
- 23-53 dB
Price shown on AmazonCheck price →
BLUEAIR
BLUEAIR 2-in-1 Pro Purify + Humidify
- Tank capacity
- 1.3 gal, about 4.9 L (top fill)
- Runtime
- Up to 60 hours (auto mode)
- Coverage
- 391 sq ft recommended; up to 1,875 sq ft per hour
Price shown on AmazonCheck price →
Coway
Coway Airmega 400S
- CADR
- 328 / 328 / 400 CFM (Smoke / Dust / Pollen)
- Coverage
- 1,560 sq ft (2 ACH); 3,120 sq ft (1 ACH)
- Noise level
- 22-52 dB(A)
Price shown on AmazonCheck price →
Dreo
Dreo HM735S
- Tank capacity
- 11 L, 2.9 gal (top fill)
- Runtime
- Up to 100 hours
- Coverage
- Up to 700 sq ft
Price shown on AmazonCheck price →
Dyson
Dyson Purifier Cool
- CADR
- Not disclosed
- Noise level
- Up to 46 dB (purifier mode, speed 4); up to 61.4 dB (fan mode, max flow)
- Power
- 6-40 W input; standby under 0.5 W
Price shown on AmazonCheck price →
LEVOIT
LEVOIT Core 600S
- CADR
- 391 / 398 / 436 CFM (Smoke / Dust / Pollen, AHAM Verifide)
- Coverage
- 606 sq ft (4.8 ACH); 2,909 sq ft (1 ACH)
- Noise level
- 26-55 dB
Price shown on AmazonCheck price →
LEVOIT
LEVOIT LV600S
- Tank capacity
- 6 L (1.58 gal, top fill)
- Runtime
- Up to 50 hours (low mist)
- Coverage
- 430-753 sq ft
Price shown on AmazonCheck price →
LEVOIT
LEVOIT OasisMist 1000S
- Tank capacity
- 10 L (2.6 gal, top fill)
- Runtime
- Up to 100 hours (low mist)
- Coverage
- 300-600 sq ft
Price shown on AmazonCheck price →
LEVOIT
LEVOIT Smart Humidifier 4.2L
- Tank capacity
- 4.2 L (top fill)
- Runtime
- Up to 42 hours
- Coverage
- 432 sq ft
Price shown on AmazonCheck price →
Shark
Shark HP152 NeverChange
- CADR
- 97 / 105 / 114 CFM (Smoke / Dust / Pollen, ENERGY STAR)
- Coverage
- 150 sq ft (ENERGY STAR); purifies up to 650 sq ft in 1 hour
- Power
- 26 W
Price shown on AmazonCheck price →
Vornado
Vornado EVDC500
- Tank capacity
- 2 gal (two 1-gallon SimpleTank reservoirs)
- Coverage
- Up to 840 sq ft
- Moisture output
- 4 gal per 24 hours (turbo speed)
Price shown on AmazonCheck price →