Best Portable HEPA Air Purifiers You Can Carry Room to Room
The best portable HEPA air purifiers to carry between rooms: light, AHAM-certified picks under 13 lb, from the 7.5 lb Blueair 411i Max to the Levoit Core 400S-P.
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The best portable HEPA purifier is the Levoit Core 300-P: it weighs 7.9 lb, AHAM Verifide rates it at 143 cfm of smoke CADR for a 222 square foot room, and it is simple enough to unplug and carry without losing settings. If you want more airflow for a living room and can carry 12.8 lb, the Levoit Core 400S-P nearly doubles the certified CADR.
"Portable" here means a room purifier light enough to move daily, which is what most people mean by a portable air cleaner, as opposed to filtration built into an HVAC system. Moving one purifier with you, to the living room by day and the bedroom at night, can cost less than buying two, as long as it is sized for the bigger of the two rooms.
Our top picks at a glance
1. Best portable HEPA purifier
Levoit Core 300-PSmoke CADR: 143 cfm (AHAM) · Room size: 222 sq ft (AHAM) · Weight: 7.9 lb (per the Amazon listing) · Sensor: None
2. Lightest with a sensor
Blueair Blue Pure 411i Max (2-pack)Smoke CADR: 145 cfm (AHAM) · Room size: 225 sq ft (AHAM) · Weight: 7.5 lb (per the Amazon listing) · Sensor: Yes, auto mode
3. Best portable for living rooms
Levoit Core 400S-PSmoke CADR: 231 to 234 cfm (AHAM) · Room size: 358 to 363 sq ft (AHAM) · Weight: 12.8 lb (per the Amazon listing) · Sensor: Laser PM2.5
4. Best for travel and desks
Levoit Core MiniSmoke CADR: 34 cfm (AHAM) · Room size: 53 sq ft (AHAM) · Weight: Desk-sized · Sensor: None
| Pick | Smoke CADR | Room size | Weight | Sensor | Buy |
|---|---|---|---|---|---|
| Levoit Core 300-PBest portable HEPA purifier | 143 cfm (AHAM) | 222 sq ft (AHAM) | 7.9 lb (per the Amazon listing) | None | Amazon |
| Blueair Blue Pure 411i Max (2-pack)Lightest with a sensor | 145 cfm (AHAM) | 225 sq ft (AHAM) | 7.5 lb (per the Amazon listing) | Yes, auto mode | Amazon |
| Levoit Core 400S-PBest portable for living rooms | 231 to 234 cfm (AHAM) | 358 to 363 sq ft (AHAM) | 12.8 lb (per the Amazon listing) | Laser PM2.5 | Amazon |
| Levoit Core MiniBest for travel and desks | 34 cfm (AHAM) | 53 sq ft (AHAM) | Desk-sized | None | Amazon |
Best portable HEPA purifier
Levoit Core 300-P
7.9 lb, certified for 222 sq ft, no app to re-pair, and $29.99 filters.
- Smoke CADR
- 143 cfm (AHAM)
- Room size
- 222 sq ft (AHAM)
- Weight
- 7.9 lb (per the Amazon listing)
- Sensor
- None
Pros
- Light and compact
- Buttons, not an app
- Filter-only
Cons
- No auto mode
- Too small for a big living room
At 8.7 in across and 14.2 in tall, the Core 300-P is easy to carry in one hand. Its certified airflow covers a bedroom and a small living room. Because it has no app or sensor, nothing needs to reconnect or recalibrate when you plug it in somewhere new. Read our Core 300-P review.
Lightest with a sensor
Blueair Blue Pure 411i Max (2-pack)
7.5 lb with a particle sensor, an 18 dB low setting and 145 cfm certified.
- Smoke CADR
- 145 cfm (AHAM)
- Room size
- 225 sq ft (AHAM)
- Weight
- 7.5 lb (per the Amazon listing)
- Sensor
- Yes, auto mode
Pros
- Lightest pick
- Auto mode adjusts to each room
- 2.5 to 20 W
Cons
- Electrostatic stage
- Sold as a two-pack on Amazon when we checked
The 411i Max's auto mode is a real advantage for a purifier that moves: it reads each room's particles and sets the fan, so you do not have to. Blueair lists it at 10.6 in across. See our 411i Max review.
Best portable for living rooms
Levoit Core 400S-P
Almost twice the certified CADR of the lighter picks at 12.8 lb, with a laser sensor.
- Smoke CADR
- 231 to 234 cfm (AHAM)
- Room size
- 358 to 363 sq ft (AHAM)
- Weight
- 12.8 lb (per the Amazon listing)
- Sensor
- Laser PM2.5
Pros
- Covers a living room
- Laser sensor
- 38 W
Cons
- Heavier
- Taller at 20.4 in
If the room you spend your days in is a 300 sq ft living room, a 143 cfm purifier is too small for it, and the Core 400S-P is the lightest certified pick that covers it properly. At 20.4 in tall it is still a one-person carry.
Best for travel and desks
Levoit Core Mini
A desk-sized certified purifier for a hotel nightstand, cubicle or the area around you.
- Smoke CADR
- 34 cfm (AHAM)
- Room size
- 53 sq ft (AHAM)
- Weight
- Desk-sized
- Sensor
- None
Pros
- Fits in a suitcase
- AHAM certified
- Integrated energy factor 5.0 to 5.3
Cons
- Cleans your immediate space, not a room
- Small filter
The Core Mini is certified for 53 sq ft, so in a hotel room it creates a cleaner zone around the bed rather than cleaning the whole room. That is still useful for someone with allergies who travels.
How we chose portable purifiers
We picked AHAM-certified models from the AHAM Verifide directory that weigh under 13 lb, then weighed certified smoke CADR against weight and size. Weights and dimensions are from the makers' listings.
Portable purifier buying guide
Size for the bigger room
If one purifier moves between a 150 sq ft bedroom and a 300 sq ft living room, size it for the living room. A purifier certified for 222 sq ft gives a 300 sq ft room only about 3.6 air changes an hour.
| Purifier | Smoke CADR | 150 sq ft bedroom | 300 sq ft living room |
|---|---|---|---|
| Levoit Core 300-P | 143 cfm | 7.2 | 3.6 |
| Blueair 411i Max | 145 cfm | 7.3 | 3.6 |
| Levoit Core 400S-P | 231 cfm | 11.6 | 5.8 |
One moving purifier or two fixed ones?
A moving purifier only cleans the room it is in. The room you left starts collecting particles again, and when you bring the purifier back it needs time to catch up: at five air changes an hour, it takes roughly half an hour to clear most of the particles in a closed room. If you have allergies at night, run the purifier in the bedroom for an hour before bed with the door closed. If you want both rooms clean all the time, two purifiers are better.
Handling and cords
Cylinders are easy to grab with two hands; flat towers often have a recessed handle. Unplug before moving, and keep the purifier upright so the pre-filter does not shift. Coil the cord so it does not trip anyone on the stairs.
Portable HEPA vs whole-house filtration
A portable purifier cleans one room quickly. A high-MERV furnace filter cleans the whole house slowly, and only while the HVAC fan runs. The EPA's guidance describes both as ways to reduce indoor particles, and many homes use both. See our whole-home options and MERV 13 upgrade guide.
What to skip
- Wearable and USB "purifiers" with no CADR.
- Heavy towers over 20 lb if you intend to move them daily.
- App-only models that lose settings or Wi-Fi when moved, if you do not want to re-pair them.
For a purifier that stays put in one room, see our overall picks.
Frequently asked questions
What is a portable HEPA air purifier?
A room-sized air purifier with a HEPA filter that plugs into a wall outlet and can be moved between rooms, as opposed to filtration built into a heating and cooling system.
What is the best portable air purifier?
The Levoit Core 300-P: 7.9 lb, AHAM certified at 143 cfm smoke CADR for 222 sq ft, with simple button controls. For a living room, the 12.8 lb Levoit Core 400S-P is certified for 358 to 363 sq ft.
Is it okay to move an air purifier from room to room?
Yes. Size it for the largest room it will serve, run it in a room with the door closed for about an hour before you need the air clean, and keep it upright when you carry it.
Do portable air purifiers work?
The EPA says portable air cleaners can reduce indoor particle levels when sized for the room. Their certified CADR tells you how fast.
How long does a portable air purifier take to clean a room?
At five air changes an hour in a closed room, it removes most airborne particles in roughly half an hour to an hour, depending on how many new particles enter.
Sources
- AHAM Verifide Directory: Certified Room Air Cleaners, Association of Home Appliance Manufacturers
- Guide to Air Cleaners in the Home, US Environmental Protection Agency
- Levoit Core 300-P, Levoit
- Levoit Core 400S-P Smart Air Purifier, Levoit
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