#1
Good if you want quiet, affordable air cleaning with responsive auto mode for dust, odors, smoke, and pet homes. Skip it if finicky buttons, bright bedroom lights, or uneven reliability/support...
Pros: particle removal effectiveness, pollen removal
Cons: customer support, replacement experience
#2
Best for quiet bedroom or small-office cleaning, especially smoke, odors, and dust. Skip it if you need dependable replacement-filter access or trust in the filter-life indicator.
Pros: odor reduction, build quality
Cons: filter life, customer support
#3
Best for quick cooking-smell, smoke, dust, and allergen cleanup in living areas. Skip it for bedrooms or unattended remote homes if rattles, bright display behavior, power-button failures, or no Wi-Fi...
Pros: dust removal, pollen removal
Cons: CADR rating, filter availability
#4
Best for strong airflow, quiet low-speed cleaning, and quick odor or dust improvement. Skip it if long-term reliability, dependable Wi-Fi/app control, or low filter costs matter most.
Pros: particle removal effectiveness, allergen reduction
Cons: VOC reduction, VOC sensor accuracy