Lease-safe air for small apartments.
Portable, no-install guides for renters who cannot open a window or drill a hole.
A small room
Studio or small room
One portable HEPA sized to a room you can measure. Not a house-sized trophy.
Levoit Core 300 / Core 300-P
Portable HEPA for a small room. Levoit lists 178 ft² as of August 2026.
See the Levoit Core 300 / Core 300-P on AmazonNamed machines
Levoit vs Coway
Three portable boxes. No forever winner. Manufacturer specs as of August 2026.
Levoit Core 300 / Core 300-P
Portable HEPA for a small room. Levoit lists 178 ft² as of August 2026.
See the Levoit Core 300 / Core 300-P on AmazonLevoit Core 400S-P
Larger Levoit. Chart lists 403 ft²; manual CADR smoke 231 / dust 240 / pollen 259 CFM.
See the Levoit Core 400S-P on AmazonCoway AP-1512HH Mighty
Denser apartment box. Coway lists 361 ft² at 4.8 ACH, CADR 233/246/240.
See the Coway AP-1512HH Mighty on AmazonA log, not a lab
Monitor / mold
A portable reading, or a dish you can date. Neither is a diagnosis.
Airthings View Plus
Portable 7-sensor log (radon, PM2.5, CO2, VOC, humidity, temp, pressure).
See the Airthings View Plus on AmazonEvviva Sciences 10-dish kit
More dishes; optional lab. Not a diagnosis.
See the Evviva Sciences 10-dish kit on AmazonAlso in this issue