The best smart air purifier with timer lets you set run times from your phone or the control panel. We compared five Wi-Fi models on timer options, app schedules, voice control and sleep noise.
See also our best smart air purifier and smart air purifier with timer reviews 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 Smart Air Purifier with Timer
PURO²XYGEN P500i smart air purifier with H13 HEPA filter and app timers
- App sets timers and adjusts fan speeds from anywhere
- Monitors real-time air quality in the app
- H13 HEPA filter is listed to capture 99.97% of particles as small as 0.3 microns
Levoit Core 300S-P smart air purifier with VeSync schedules
- VeSync app sets schedules and timers and checks filter life
- Works with Alexa and Google Assistant
- Auto Mode tracks PM2.5 and changes the air quality indicator rings
CLESDF smart air purifier with 2 to 24 hour timer and PM2.5 display
- Timer offers 2, 4, 8, 16 and 24 hour settings
- 22 dB Sleep Mode with all display lights off
- Real-time PM2.5 AQI display with color-coded lights
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Smart Air Purifiers with Timers Compared
| # | Product | Key Features | |
|---|---|---|---|
| 1 |  PURO²XYGEN P500i smart air purifier with H13 HEPA filter and app timers |
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| 2 |  Levoit Core 300S-P smart air purifier with VeSync schedules |
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| 3 |  CLESDF smart air purifier with 2 to 24 hour timer and PM2.5 display |
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| 4 |  DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration |
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| 5 |  Levoit Vital 100S-P smart air purifier with mode schedules |
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1. PURO²XYGEN P500i smart air purifier with H13 HEPA filter and app timers
Best Overall
- App sets timers and adjusts fan speeds from anywhere
- Monitors real-time air quality in the app
- H13 HEPA filter is listed to capture 99.97% of particles as small as 0.3 microns
- Child lock, filter health indicator and washable pre-filter
- Weighs 9.9 pounds, more than Levoit Core 300S-P at 7.5, Levoit Vital 100S-P at 8.6 and DHYALA KJ02 at 9
- Auto Mode: Adjusts fan to air quality
- Child Lock: Yes
- Pre-Filter: Washable
PURO²XYGEN lists a 4-stage system built around an H13 HEPA filter. Auto mode adjusts fan speed based on air quality, and Sleep mode is listed for bedrooms and offices.
The listing gives a running noise of 50 dB or less. Control comes from a touch panel or the Wi-Fi app.
Who the PURO²XYGEN P500i suits
It suits buyers who want app timers plus a child lock and a filter health indicator.
Who should pass on the PURO²XYGEN P500i
Skip it if you want preset timer hours, since CLESDF Air Purifier lists 2, 4, 8, 16 and 24 hour settings.
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2. Levoit Core 300S-P smart air purifier with VeSync schedules
Best Air Quality Rings
- VeSync app sets schedules and timers and checks filter life
- Works with Alexa and Google Assistant
- Auto Mode tracks PM2.5 and changes the air quality indicator rings
- Sleep Mode turns off the display lights
- Levoit warns that off-brand filters may damage this purifier
- Lists 3 filter stages, fewer than DHYALA KJ02 at 5 and PURO²XYGEN P500i at 4
- Auto Mode: Adjusts fan to PM2.5
- Voice: Alexa, Google Assistant
- Size: 8.66 x 8.66 x 14.17 in
Levoit lists a High-Efficiency Activated Carbon Filter for kitchen smells, smoke and VOCs. Auto Mode senses changes in PM2.5 and adjusts fan speed to match.
The unit measures 8.66 by 8.66 by 14.17 inches and weighs 7.5 pounds. Levoit lists it as ETL listed and FCC certified.
Who the Levoit Core 300S-P suits
It suits a bedroom where you want app schedules plus Alexa or Google Assistant control.
Who should pass on the Levoit Core 300S-P
Skip it if you want more filter stages, since DHYALA KJ02 lists a 5-stage system.
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3. CLESDF smart air purifier with 2 to 24 hour timer and PM2.5 display
Best Preset Timer Range
- Timer offers 2, 4, 8, 16 and 24 hour settings
- 22 dB Sleep Mode with all display lights off
- Real-time PM2.5 AQI display with color-coded lights
- 4 fan speeds and a child lock
- The app supports only 2.4GHz Wi-Fi
- Auto Mode: Boosts fan when pollutants rise
- Sleep Mode: 22 dB
- Fan Speeds: 4
In Auto Mode, a smart sensor raises fan speed when it detects pollutants. The 3-stage HEPA filter is listed to capture 99.97% of particles as small as 0.3 microns.
Pairing starts with a 5 second press of the Timer button, then a search for the Ganymede purifier on your phone. The listing names ETL and FCC among its certifications.
Who the CLESDF Air Purifier suits
It suits buyers who want fixed timer steps they can also set on the unit.
Who should pass on the CLESDF Air Purifier
Skip it if you want start and end times by mode, since Levoit Vital 100S-P lists detailed schedules.
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4. DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration
Most Filter Stages
- App controls power, timer, fan speed and sleep mode
- Works with Alexa and Google Assistant
- CADR of 271 CFM, listed to clean 3,620 sq ft in one hour
- Sleep mode drops noise as low as 22 dB
- Weighs 9 pounds, more than Levoit Core 300S-P at 7.5 and Levoit Vital 100S-P at 8.6
- Auto Mode: Raises power on polluted air
- CADR: 271 CFM
- Sleep Mode: 22 dB
DHYALA lists a 5-stage system with an electrostatic pre-filter and an activated carbon filter. A built-in sensor raises power when it detects polluted air.
A lying platform for pets, a bite-proof power cord and a pet and child lock round out the design. The unit stands 20.15 inches tall on a 9.84 inch square base.
Who the DHYALA KJ02 suits
It suits large open rooms where you want app timers and a listed CFM figure.
Who should pass on the DHYALA KJ02
Skip it if you want a lighter unit, since Levoit Core 300S-P weighs 7.5 pounds.
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5. Levoit Vital 100S-P smart air purifier with mode schedules
Best Detailed Schedules
- Schedules set start and end times with a fan speed or mode
- VeSync app sets timers and checks filter life
- Light detection dims the display in dark rooms
- Washable pre-filter rinses clean with water
- Lists 1,073 sq ft once per hour, below DHYALA KJ02 at 3,620 sq ft in one hour
- Lists 25 dB in Sleep Mode, above CLESDF Air Purifier and DHYALA KJ02 at 22 dB
- Auto Mode: Can run on a schedule
- Sleep Mode: 25 dB
- Weight: 8.6 lb
Levoit lists 4.8 air changes per hour in rooms up to 222 sq ft. Pet Mode pairs with a wide U-shaped inlet for airborne pet fur.
Sleep Mode lowers fan noise to 25 dB. The VeSync app connects to third-party voice assistants, and the listing names Alexa and Google Assistant.
Who the Levoit Vital 100S-P suits
It suits households that want different modes at different times of day.
Who should pass on the Levoit Vital 100S-P
Skip it if you need a bigger hourly figure, since DHYALA KJ02 lists 3,620 sq ft in one hour.
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How to Choose the Best Smart Air Purifier with Timer
- Check how the timer is set. CLESDF Air Purifier lists 2, 4, 8, 16 and 24 hour steps, while the other four set timers in their apps.
- Look for full schedules if your days vary. Levoit Vital 100S-P sets start and end times by mode, and Levoit Core 300S-P lists app schedules.
- Match voice control to your home. Levoit Core 300S-P, DHYALA KJ02 and Levoit Vital 100S-P list both Alexa and Google Assistant.
- Compare sleep noise if the timer runs overnight. CLESDF Air Purifier and DHYALA KJ02 list 22 dB, and Levoit Vital 100S-P lists 25 dB.
- Compare coverage on the same basis. DHYALA KJ02 lists 3,620 sq ft in one hour, while Levoit Vital 100S-P lists 1,073 sq ft once per hour.
Frequently Asked Questions
Which pick has preset timer hours?
CLESDF Air Purifier lists a 2, 4, 8, 16 and 24 hour timer. PURO²XYGEN P500i, Levoit Core 300S-P, DHYALA KJ02 and Levoit Vital 100S-P set timers in their apps.
Can I schedule different modes for different times?
Levoit Vital 100S-P sets start and end times with a fan speed or a mode such as Pet Mode or Sleep Mode.
Which picks work with Google Assistant?
Levoit Core 300S-P, DHYALA KJ02 and Levoit Vital 100S-P list Google Assistant as well as Alexa.
Which picks have a child lock?
PURO²XYGEN P500i and CLESDF Air Purifier list a child lock. DHYALA KJ02 lists a pet and child lock.
Our Verdict
Our best smart air purifier with timer pick is the PURO²XYGEN P500i for its app timers, H13 HEPA filter and child lock. Choose Levoit Core 300S-P for VeSync schedules and CLESDF Air Purifier for preset 2 to 24 hour timers.
Best Overall: PURO²XYGEN P500i smart air purifier with H13 HEPA filter and app timers Check Latest Price
Best Air Quality Rings: Levoit Core 300S-P smart air purifier with VeSync schedules Check Latest Price
Best Preset Timer Range: CLESDF smart air purifier with 2 to 24 hour timer and PM2.5 display Check Latest Price
Check each listing for current filter part numbers before you order replacements.
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