The best value smart air purifier packs the most useful features into one unit. We compared five Wi-Fi models on fan modes, app tools, voice control, filter stages and noise.
See also our best smart air purifier and best affordable smart air purifier guides. Every pick comes from the makers’ specifications on each Amazon listing, not our own testing, and our Editorial Policy explains how we work. Replace filters on the schedule each maker lists and keep the air intake clear.
Our Top 3 Picks for the Best Value Smart Air Purifier
Levoit Core 300S-P smart air purifier with Auto Mode and VeSync app
- VeSync app covers remote settings, air quality checks, schedules and timers
- Both Alexa and Google Assistant are supported
- Auto Mode reads PM2.5 and updates fan speed and indicator rings
AZEUS smart Wi-Fi air purifier with Auto Mode and brushless motor
- Takes up only 7 by 7 by 11 inches
- Auto Mode follows the built-in air quality sensor
- Quiet brushless DC motor starting at 24 dB
Winix 9800 smart air purifier with 4-stage True HEPA and PlasmaWave
- 4-stage filtration that adds PlasmaWave to True HEPA and carbon
- Two smart sensors steer fan speed in Auto Mode
- Light sensing switches it into Sleep Mode in a dark room
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Value Smart Air Purifiers Compared
| # | Product | Key Features | |
|---|---|---|---|
| 1 |  Levoit Core 300S-P smart air purifier with Auto Mode and VeSync app |
| Check Latest Price |
| 2 |  AZEUS smart Wi-Fi air purifier with Auto Mode and brushless motor |
| Check Latest Price |
| 3 |  Winix 9800 smart air purifier with 4-stage True HEPA and PlasmaWave |
| Check Latest Price |
| 4 |  Levoit Vital 100S smart air purifier with Pet, Auto and Sleep modes |
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| 5 |  Frigidaire PureA300 smart air purifier with Smart Mode and Wi-Fi app |
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1. Levoit Core 300S-P smart air purifier with Auto Mode and VeSync app
Best Overall
- VeSync app covers remote settings, air quality checks, schedules and timers
- Both Alexa and Google Assistant are supported
- Auto Mode reads PM2.5 and updates fan speed and indicator rings
- Sleep Mode cuts the display lights for night use
- Levoit cautions that off-brand filters can be unreliable and may harm the unit
- Filter Stages: 3
- Size: 8.66 x 8.66 x 14.17 in
- Weight: 7.5 lb
A high-efficiency activated carbon filter in the 3-stage setup targets odors, smoke and VOCs. Levoit names bedrooms, living rooms and kitchens as good fits.
The listing gives a floor area of up to 1,058 sq ft. The unit weighs 7.5 pounds and stands 14.17 inches tall.
Good match for the Levoit Core 300S-P
It suits buyers who want app schedules, Auto Mode and two voice assistants in one small unit.
When to choose another pick over the Levoit Core 300S-P
Skip it if you need a pet setting, since Levoit Vital 100S lists Pet Mode with a U-shaped air inlet.
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2. AZEUS smart Wi-Fi air purifier with Auto Mode and brushless motor
Most Compact
- Takes up only 7 by 7 by 11 inches
- Auto Mode follows the built-in air quality sensor
- Quiet brushless DC motor starting at 24 dB
- Pre-filter, activated carbon and True HEPA filters in a small housing
- Lists touch control rather than voice, while the other four picks name Alexa
- Filter Stages: 3
- Size: 7 x 7 x 11 in
- Noise Range: 24 to 50 dB
AZEUS lists its filters for dust, pet hair, odors and fine airborne particles. It is designed for enclosed bedrooms, offices and living spaces.
The brushless DC motor and aerodynamic airflow are listed to keep noise low. Auto Mode reduces the need for manual fan changes.
Good match for the AZEUS GL-FS32
It suits small rooms where you want Auto Mode and True HEPA in the least floor space.
When to choose another pick over the AZEUS GL-FS32
Skip it if you want app schedules, since Frigidaire PureA300 lists schedules in its app.
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3. Winix 9800 smart air purifier with 4-stage True HEPA and PlasmaWave
Most Filter Stages
- 4-stage filtration that adds PlasmaWave to True HEPA and carbon
- Two smart sensors steer fan speed in Auto Mode
- Light sensing switches it into Sleep Mode in a dark room
- Real-time LED air quality indicator
- At 16.5 inches across, it is the widest pick here
- Filter Stages: 4
- Low Noise: 26.2 dB
- Weight: 19 lb
The washable fine mesh pre-filter catches the largest particles first. The carbon filter is listed to cut VOCs and household odors and to help the True HEPA filter last longer.
Sleep Mode hands control back to Auto Mode once the room is lit again. Its slowest speed carries a listed 26.2 dB.
Good match for the Winix 9800
It suits living rooms where you want four filter stages and hands-off day and night modes.
When to choose another pick over the Winix 9800
Skip it if your speakers run Google Assistant, since Levoit Vital 100S works with it as well as Alexa.
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4. Levoit Vital 100S smart air purifier with Pet, Auto and Sleep modes
Most Fan Modes
- Pet, Auto and Sleep modes plus manual fan speeds
- Schedules can run a chosen mode or fan speed between set times
- Rinsable pre-filter helps maintain the 3-stage system
- Display dims itself when the room goes dark
- The maker says off-brand filters may be unreliable and could damage this model
- Filter Stages: 3
- Coverage: 1,073 sq ft per hour
- Low Noise: 25 dB
Levoit lists one air change per hour up to 1,073 sq ft and 4.8 in rooms up to 222 sq ft. Sleep Mode lowers the fan to 25 dB.
Replacement filter options include a Toxin Absorber and a Smoke Remover version. The activated carbon filter is listed for pet odors, fumes and VOCs.
Good match for the Levoit Vital 100S
It suits pet homes that want the most modes and timed schedules in one unit.
When to choose another pick over the Levoit Vital 100S
Skip it if you want the quietest listed setting, since Frigidaire PureA300 lists 20 dB.
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5. Frigidaire PureA300 smart air purifier with Smart Mode and Wi-Fi app
Best for Quiet Rooms
- Lowest listed noise here at 20 dB
- App adds schedules, air quality tracking, settings and filter life
- Smart Mode adjusts its settings automatically when air quality shifts
- Supports Alexa and Google Assistant
- Lists 850 sq ft at one air change per hour, below Levoit Vital 100S at 1,073 and Winix 9800 at 2,420 in 1 hour
- Filter Stages: 3
- Coverage: 850 sq ft per hour
- Weight: 7.5 lb
Frigidaire lists its PureAir RAC-16 HEPA filter at up to 99.99% capture of particles as small as 0.3 microns. A built-in light shows the current air quality.
The unit measures 9.2 by 9.2 by 16 inches and weighs 7.5 pounds. Its listing names UL and FCC certification.
Good match for the Frigidaire PureA300
It suits small bedrooms where a 20 dB low setting and app schedules matter most.
When to choose another pick over the Frigidaire PureA300
Skip it if you want more filter stages, since Winix 9800 lists four.
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How to Choose the Best Value Smart Air Purifier
- Count the modes. Levoit Vital 100S lists Pet, Auto and Sleep, while Levoit Core 300S-P and Winix 9800 list Auto and Sleep.
- Check app tools. Levoit Core 300S-P, Levoit Vital 100S and Frigidaire PureA300 list schedules and filter life tracking.
- Match voice control. Levoit Core 300S-P, Levoit Vital 100S and Frigidaire PureA300 list Alexa and Google Assistant, and Winix 9800 lists Alexa.
- Compare low noise. Frigidaire PureA300 lists 20 dB, AZEUS GL-FS32 24 dB, Levoit Vital 100S 25 dB and Winix 9800 26.2 dB.
- Weigh filter stages against size. Winix 9800 lists 4 stages at 16.5 inches wide, while AZEUS GL-FS32 fits 3 stages into 7 by 7 inches.
Frequently Asked Questions
What makes a smart air purifier a good value here?
We counted listed features per unit, such as fan modes, app tools, voice control and filter stages. Levoit Core 300S-P combines Auto Mode, Sleep Mode, app schedules and two voice assistants.
Which pick has a Pet Mode?
Levoit Vital 100S lists Pet Mode with a wide U-shaped air inlet for pet fur. It also lists Auto and Sleep modes.
Which value pick is the quietest?
The Frigidaire PureA300 sits lowest at 20 dB. AZEUS GL-FS32 lists 24 dB and Levoit Vital 100S 25 dB.
Do any of these switch modes on their own at night?
Winix 9800 enters Sleep Mode when the room is dark and returns to Auto Mode in light. Levoit Vital 100S dims its display in dark rooms.
The Bottom Line
Our best value smart air purifier pick is the Levoit Core 300S-P for Auto Mode, app schedules and two voice assistants. Choose AZEUS GL-FS32 for a 7 by 7 inch footprint and Winix 9800 for four filter stages.
Best Overall: Levoit Core 300S-P smart air purifier with Auto Mode and VeSync app Check Latest Price
Most Compact: AZEUS smart Wi-Fi air purifier with Auto Mode and brushless motor Check Latest Price
Most Filter Stages: Winix 9800 smart air purifier with 4-stage True HEPA and PlasmaWave Check Latest Price
Confirm which replacement filter each listing names before you place a filter order.
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