
The Smart Device Compare comparison
IQAir Atem X vs Levoit Vital 100S-P
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Key differences between IQAir Atem X and Levoit Vital 100S-P
A summary of selected recorded differences between these air purifiers. Check the full specification table below for details and conditions.
- Sleep Mode (features): IQAir Atem X — No; Levoit Vital 100S-P — Yes (Sleep Mode runs below the low fan speed and turns the display off after 6 seconds.).
- Timer (features): IQAir Atem X — No (The user manual documents no timer on the control panel or in the app: everything time-based is handled by app schedules.); Levoit Vital 100S-P — Yes (2, 4 and 8 hour timers on the panel, and 1 to 24 hour timers in the VeSync app.).
- Activated Carbon (filtration): IQAir Atem X — No (The Atem X HyperHEPA Filter Set is particle filtration only, and IQAir offers no activated carbon or gas-phase cartridge for this model. Gas and odor filtration is the job of IQAir's GC series.); Levoit Vital 100S-P — Yes (High-Efficiency Activated Carbon Filter that adsorbs smoke, odors and fumes, and filters formaldehyde, benzene, ammonia and other VOCs.).
- Alexa (integrations): IQAir Atem X — No (IQAir publishes no Alexa skill for the Atem X: the product page and the user manual list only the AirVisual app and the touch control panel.); Levoit Vital 100S-P — Yes (The user manual documents connecting the purifier to Amazon Alexa through the VeSync app, and the Amazon listing carries the Works with Alexa badge.).
- Filter Life (filtration): IQAir Atem X — 3 years (IQAir rates the three HyperHEPA HF filters at up to 36 months. The filters carry RFID tags, so the purifier tracks each one's remaining life from real pollutant levels and fan speed rather than from a fixed calendar.); Levoit Vital 100S-P — 1 year (The user manual's maintenance table gives the main / activated carbon filter approximately 9 to 12 months, with the Check Filter Indicator lighting up at around 9 months.).
- Hepa Filter (filtration): IQAir Atem X — YES (HyperHEPA) (Three HyperHEPA HF filters, rated by IQAir at 99.5% or better for airborne particles down to 0.003 microns.); Levoit Vital 100S-P — Yes (3-stage filtration whose main filter is rated at 99.97% efficiency for 0.1-0.3 micron particles. Levoit states the original filter reaches HEPA-grade filtration while running in Sleep Mode rather than selling it as certified True HEPA.).
- CADR (performance): IQAir Atem X — 415 CFM (The AHAM certified directory of October 2023 lists the Atem X with a tobacco smoke CADR of 415, a dust CADR of 436, a pollen CADR of 450 and an optional PM2.5 CADR of 425. IQAir's own airflow per fan speed runs 65, 115, 162, 206, 265, 324, 383 and 471 cfm.); Levoit Vital 100S-P — 143 CFM.
- Coverage Area (performance): IQAir Atem X — 644 sq ft (AHAM certified room size, derived under ANSI/AHAM AC-1. IQAir also markets the Atem X for rooms up to 1650 sq ft (154 m²), a figure at a lower air-change rate.); Levoit Vital 100S-P — 222 sq ft (Levoit publishes 222 ft² at 4.8 air changes per hour and 1066 ft² at a single air change per hour.).
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
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Certifications
- IQAir Atem X
- Yes
Catalog note
IQAir AG is licensed to participate in the AHAM Portable Electric Room Air Cleaners Certification Program, and the October 2023 directory lists the Atem X with certified dust, tobacco smoke and pollen CADR figures and a certified room size of 644 sq ft.
- Levoit Vital 100S-P
- Yes
Catalog note
Levoit publishes the AHAM VERIFIDE seal for this model on its Amazon listings, alongside the verified 222 ft² at 4.8 air changes per hour figure.
- IQAir Atem X
- Yes
Catalog note
IQAir states Energy Star rated efficiency on the Atem X product page, and the AHAM certified directory of October 2023 marks the model Yes in its Energy Star column. The EPA's current ENERGY STAR certified room air cleaner list holds only IQAir's Atem E.
- Levoit Vital 100S-P
- Yes
Catalog note
The user manual states the energy efficiency of this ENERGY STAR certified model is measured as CADR for Smoke per Watt.
- IQAir Atem X
- Yes
Catalog note
Purely mechanical filtration with no ionizer and no UV stage, and the AHAM certified directory marks the Atem X as meeting the ozone limits.
- Levoit Vital 100S-P
- Yes
Catalog note
Purely mechanical filtration (washable pre-filter plus main and activated carbon filters), with no ionizer and no UV-C stage.
Connectivity
- IQAir Atem X
- Yes
Catalog note
The Atem X user manual lists a 2.4 GHz Wi-Fi network as a prerequisite for pairing the purifier with the AirVisual app.
- Levoit Vital 100S-P
- Yes
Catalog note
The FCC grant for this model (2ARBY-VITAL100S, Arovast Corporation) authorizes 2402-2480 MHz only, and the original filing carries a separate Wi-Fi test report.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- Yes
Catalog note
IQAir lists the Atem X as Bluetooth enabled with smart app capabilities, alongside Wi-Fi and the AirVisual app.
- Levoit Vital 100S-P
- Yes
Catalog note
The user manual requires phone Location to be on during setup to establish the Bluetooth connection, and the FCC filing includes a BLE test report alongside the Wi-Fi one.
- IQAir Atem X
- No
Catalog note
The user manual notes that only some Atem X models carry an Ethernet socket, and neither the US nor the UK specification sheet for this retail model lists one.
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
Display
- IQAir Atem X
- Yes
Catalog note
IQAir calls it AQGlow. The fan speed slider reverts after about five seconds to showing the current air quality index as a color, readable against the US or Chinese AQI scale.
- Levoit Vital 100S-P
- Yes
Catalog note
Indicator rings read blue (Very Good), green (Good), orange (Moderate) and red (Bad).
- IQAir Atem X
- Yes
Catalog note
Touch control panel on the rear rim, with a power button, a smart mode button, a filter warning, a fan speed slider, a light dimming button and a Wi-Fi button, each with its own lit indicator.
- Levoit Vital 100S-P
- Yes
Catalog note
Touch panel with fan speed, timer, Wi-Fi, display lock and check filter indicators, which can be switched off entirely from the app.
- IQAir Atem X
- LED
Catalog note
The panel is a lit touch surface rather than a graphic display: the manual describes indicators lit white, blue, yellow or red, and a row of dots that counts out the selected fan speed.
- Levoit Vital 100S-P
- LED
Features
- IQAir Atem X
- Yes
Catalog note
Smart mode sets the fan speed from the live sensor readings. Three profiles are selectable in the app: Quiet caps the fan at speed 5, Balanced at speed 7, and Max leaves it uncapped.
- Levoit Vital 100S-P
- Yes
Catalog note
Auto Mode sets fan speed from the AirSight dust sensor, and the VeSync app adds Quiet Auto Mode and Efficient Auto Mode.
- IQAir Atem X
- Yes
Catalog note
Schedules created in the app turn the purifier on at chosen times, each slot carrying its own fan speed or smart mode, and the power button shows a yellow indicator during a scheduled standby.
- Levoit Vital 100S-P
- Yes
Catalog note
Schedules with start and end times, fan speed or mode, created in the VeSync app.
- IQAir Atem X
- Yes
Catalog note
Control panel lock, set from the app. With it active every button is deactivated and touching one only flashes the indicators blue.
- Levoit Vital 100S-P
- Yes
Catalog note
Display Lock button, held for 3 seconds, blocks the panel and can also be applied from the app while the unit is in standby.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- Yes
Catalog note
IQAir states that the Atem X provides advanced air quality data and usage statistics through the AirVisual app, which also pairs indoor readings with outdoor data from the nearest monitoring station.
- Levoit Vital 100S-P
- Yes
Catalog note
The VeSync app shows real-time air quality plus the previous 4 weeks of history, and the remaining filter life percentage.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- Yes
Catalog note
Sleep Mode runs below the low fan speed and turns the display off after 6 seconds.
- IQAir Atem X
- No
Catalog note
The user manual documents no timer on the control panel or in the app: everything time-based is handled by app schedules.
- Levoit Vital 100S-P
- Yes
Catalog note
2, 4 and 8 hour timers on the panel, and 1 to 24 hour timers in the VeSync app.
Filtration
- IQAir Atem X
- No
Catalog note
The Atem X HyperHEPA Filter Set is particle filtration only, and IQAir offers no activated carbon or gas-phase cartridge for this model. Gas and odor filtration is the job of IQAir's GC series.
- Levoit Vital 100S-P
- Yes
Catalog note
High-Efficiency Activated Carbon Filter that adsorbs smoke, odors and fumes, and filters formaldehyde, benzene, ammonia and other VOCs.
- IQAir Atem X
- 3 years
Catalog note
IQAir rates the three HyperHEPA HF filters at up to 36 months. The filters carry RFID tags, so the purifier tracks each one's remaining life from real pollutant levels and fan speed rather than from a fixed calendar.
- Levoit Vital 100S-P
- 1 year
Catalog note
The user manual's maintenance table gives the main / activated carbon filter approximately 9 to 12 months, with the Check Filter Indicator lighting up at around 9 months.
- IQAir Atem X
- YES (HyperHEPA)
Catalog note
Three HyperHEPA HF filters, rated by IQAir at 99.5% or better for airborne particles down to 0.003 microns.
- Levoit Vital 100S-P
- Yes
Catalog note
3-stage filtration whose main filter is rated at 99.97% efficiency for 0.1-0.3 micron particles. Levoit states the original filter reaches HEPA-grade filtration while running in Sleep Mode rather than selling it as certified True HEPA.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- Yes
Catalog note
Three Impaktor units sit ahead of the HEPA filters and collect large particles, fibers and lint. The manual has them cleaned with a brush or a vacuum, and rinsed under running water when needed.
- Levoit Vital 100S-P
- Yes
Catalog note
Removable pre-filter, washed with water and mild detergent every 2 to 4 weeks.
Integrations
- IQAir Atem X
- No
Catalog note
IQAir publishes no Alexa skill for the Atem X: the product page and the user manual list only the AirVisual app and the touch control panel.
- Levoit Vital 100S-P
- Yes
Catalog note
The user manual documents connecting the purifier to Amazon Alexa through the VeSync app, and the Amazon listing carries the Works with Alexa badge.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
Catalog note
Levoit lists only Alexa and Google Assistant as voice assistants, and the CSA certified-product database holds no Matter certification for Levoit, Arovast or VeSync, so there is no Matter route into the Home app either.
- IQAir Atem X
- No
Catalog note
IQAir names the AirVisual app and the on-device control panel as the only control methods for the Atem X, and publishes no Google Home integration.
- Levoit Vital 100S-P
- Yes
Catalog note
The user manual documents connecting the purifier to Google Assistant through the VeSync app.
- IQAir Atem X
- Yes
Catalog note
The IQAir Cloud custom integration for Home Assistant authenticates against the IQAir account and covers the devices connected to it, exposing the fan and its speed, smart mode, the smart mode profile, the control panel lock and the display light. Its author built it against a GC MultiGas XE, the sibling model already in this catalog.
- Levoit Vital 100S-P
- Yes
Catalog note
The Home Assistant VeSync integration lists this exact model: Vital 100S Smart True HEPA Air Purifier (LAP-V102S-WUS).
- IQAir Atem X
- No
Catalog note
IQAir claims no Matter support for the Atem X, and a search of the CSA certified products database returns no IQAir entries.
- Levoit Vital 100S-P
- No
Catalog note
A search of the CSA certified-product database returns no Matter certification for Levoit, Arovast or VeSync.
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
Performance
- IQAir Atem X
- 415 CFM
Catalog note
The AHAM certified directory of October 2023 lists the Atem X with a tobacco smoke CADR of 415, a dust CADR of 436, a pollen CADR of 450 and an optional PM2.5 CADR of 425. IQAir's own airflow per fan speed runs 65, 115, 162, 206, 265, 324, 383 and 471 cfm.
- Levoit Vital 100S-P
- 143 CFM
- IQAir Atem X
- 644 sq ft
Catalog note
AHAM certified room size, derived under ANSI/AHAM AC-1. IQAir also markets the Atem X for rooms up to 1650 sq ft (154 m²), a figure at a lower air-change rate.
- Levoit Vital 100S-P
- 222 sq ft
Catalog note
Levoit publishes 222 ft² at 4.8 air changes per hour and 1066 ft² at a single air change per hour.
- IQAir Atem X
- 8
Catalog note
Eight manual fan speed levels set from the touch slider, plus three smart mode profiles (Quiet, Balanced and Max) that drive the speed from the sensors.
- Levoit Vital 100S-P
- 4
- IQAir Atem X
- 58 dB
Catalog note
Sound pressure at 3.3 ft across the eight fan speeds: 15, 18, 24, 33, 37, 43, 48 and 58 dB(A).
- Levoit Vital 100S-P
- 52 dB
Catalog note
The official specification gives a 23 to 52 dB range across the four fan speeds.
- IQAir Atem X
- 86 W
Catalog note
Draw at fan speed 8. The eight speeds are rated at 6, 7, 9, 12, 21, 34, 57 and 86 W, with networked standby below 1.8 W.
- Levoit Vital 100S-P
- 35 W
Sensors
- IQAir Atem X
- Yes
Catalog note
IQAir lists an on-board CO2 sensor, which is unusual on a room air purifier: it reads ventilation rather than filtration.
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- Yes
Catalog note
The integrated sensor set covers PM2.5, CO2, temperature and relative humidity.
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
- IQAir Atem X
- Yes
Catalog note
A particulate matter sensor reports live PM2.5 and drives the smart mode's automatic fan speed.
- Levoit Vital 100S-P
- Yes
Catalog note
AirSight infrared dust sensor reads airborne particulates and drives both the air quality indicator rings and Auto Mode.
- IQAir Atem X
- Yes
Catalog note
The integrated sensor set covers PM2.5, CO2, temperature and relative humidity.
- Levoit Vital 100S-P
- No
- IQAir Atem X
- No
- Levoit Vital 100S-P
- No
| Specification | IQAir Atem X | Levoit Vital 100S-P |
|---|---|---|
| Certifications | ||
YesCatalog noteIQAir AG is licensed to participate in the AHAM Portable Electric Room Air Cleaners Certification Program, and the October 2023 directory lists the Atem X with certified dust, tobacco smoke and pollen CADR figures and a certified room size of 644 sq ft. | YesCatalog noteLevoit publishes the AHAM VERIFIDE seal for this model on its Amazon listings, alongside the verified 222 ft² at 4.8 air changes per hour figure. | |
YesCatalog noteIQAir states Energy Star rated efficiency on the Atem X product page, and the AHAM certified directory of October 2023 marks the model Yes in its Energy Star column. The EPA's current ENERGY STAR certified room air cleaner list holds only IQAir's Atem E. | YesCatalog noteThe user manual states the energy efficiency of this ENERGY STAR certified model is measured as CADR for Smoke per Watt. | |
YesCatalog notePurely mechanical filtration with no ionizer and no UV stage, and the AHAM certified directory marks the Atem X as meeting the ozone limits. | YesCatalog notePurely mechanical filtration (washable pre-filter plus main and activated carbon filters), with no ionizer and no UV-C stage. | |
| Connectivity | ||
YesCatalog noteThe Atem X user manual lists a 2.4 GHz Wi-Fi network as a prerequisite for pairing the purifier with the AirVisual app. | YesCatalog noteThe FCC grant for this model (2ARBY-VITAL100S, Arovast Corporation) authorizes 2402-2480 MHz only, and the original filing carries a separate Wi-Fi test report. | |
| No | No | |
YesCatalog noteIQAir lists the Atem X as Bluetooth enabled with smart app capabilities, alongside Wi-Fi and the AirVisual app. | YesCatalog noteThe user manual requires phone Location to be on during setup to establish the Bluetooth connection, and the FCC filing includes a BLE test report alongside the Wi-Fi one. | |
NoCatalog noteThe user manual notes that only some Atem X models carry an Ethernet socket, and neither the US nor the UK specification sheet for this retail model lists one. | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Display | ||
YesCatalog noteIQAir calls it AQGlow. The fan speed slider reverts after about five seconds to showing the current air quality index as a color, readable against the US or Chinese AQI scale. | YesCatalog noteIndicator rings read blue (Very Good), green (Good), orange (Moderate) and red (Bad). | |
YesCatalog noteTouch control panel on the rear rim, with a power button, a smart mode button, a filter warning, a fan speed slider, a light dimming button and a Wi-Fi button, each with its own lit indicator. | YesCatalog noteTouch panel with fan speed, timer, Wi-Fi, display lock and check filter indicators, which can be switched off entirely from the app. | |
LEDCatalog noteThe panel is a lit touch surface rather than a graphic display: the manual describes indicators lit white, blue, yellow or red, and a row of dots that counts out the selected fan speed. | LED | |
| Features | ||
YesCatalog noteSmart mode sets the fan speed from the live sensor readings. Three profiles are selectable in the app: Quiet caps the fan at speed 5, Balanced at speed 7, and Max leaves it uncapped. | YesCatalog noteAuto Mode sets fan speed from the AirSight dust sensor, and the VeSync app adds Quiet Auto Mode and Efficient Auto Mode. | |
YesCatalog noteSchedules created in the app turn the purifier on at chosen times, each slot carrying its own fan speed or smart mode, and the power button shows a yellow indicator during a scheduled standby. | YesCatalog noteSchedules with start and end times, fan speed or mode, created in the VeSync app. | |
YesCatalog noteControl panel lock, set from the app. With it active every button is deactivated and touching one only flashes the indicators blue. | YesCatalog noteDisplay Lock button, held for 3 seconds, blocks the panel and can also be applied from the app while the unit is in standby. | |
| No | No | |
| No | No | |
YesCatalog noteIQAir states that the Atem X provides advanced air quality data and usage statistics through the AirVisual app, which also pairs indoor readings with outdoor data from the nearest monitoring station. | YesCatalog noteThe VeSync app shows real-time air quality plus the previous 4 weeks of history, and the remaining filter life percentage. | |
| No | No | |
| No | No | |
| No | No | |
| No | YesCatalog noteSleep Mode runs below the low fan speed and turns the display off after 6 seconds. | |
NoCatalog noteThe user manual documents no timer on the control panel or in the app: everything time-based is handled by app schedules. | YesCatalog note2, 4 and 8 hour timers on the panel, and 1 to 24 hour timers in the VeSync app. | |
| Filtration | ||
NoCatalog noteThe Atem X HyperHEPA Filter Set is particle filtration only, and IQAir offers no activated carbon or gas-phase cartridge for this model. Gas and odor filtration is the job of IQAir's GC series. | YesCatalog noteHigh-Efficiency Activated Carbon Filter that adsorbs smoke, odors and fumes, and filters formaldehyde, benzene, ammonia and other VOCs. | |
3 yearsCatalog noteIQAir rates the three HyperHEPA HF filters at up to 36 months. The filters carry RFID tags, so the purifier tracks each one's remaining life from real pollutant levels and fan speed rather than from a fixed calendar. | 1 yearCatalog noteThe user manual's maintenance table gives the main / activated carbon filter approximately 9 to 12 months, with the Check Filter Indicator lighting up at around 9 months. | |
YES (HyperHEPA)Catalog noteThree HyperHEPA HF filters, rated by IQAir at 99.5% or better for airborne particles down to 0.003 microns. | YesCatalog note3-stage filtration whose main filter is rated at 99.97% efficiency for 0.1-0.3 micron particles. Levoit states the original filter reaches HEPA-grade filtration while running in Sleep Mode rather than selling it as certified True HEPA. | |
| No | No | |
| No | No | |
YesCatalog noteThree Impaktor units sit ahead of the HEPA filters and collect large particles, fibers and lint. The manual has them cleaned with a brush or a vacuum, and rinsed under running water when needed. | YesCatalog noteRemovable pre-filter, washed with water and mild detergent every 2 to 4 weeks. | |
| Integrations | ||
NoCatalog noteIQAir publishes no Alexa skill for the Atem X: the product page and the user manual list only the AirVisual app and the touch control panel. | YesCatalog noteThe user manual documents connecting the purifier to Amazon Alexa through the VeSync app, and the Amazon listing carries the Works with Alexa badge. | |
| No | NoCatalog noteLevoit lists only Alexa and Google Assistant as voice assistants, and the CSA certified-product database holds no Matter certification for Levoit, Arovast or VeSync, so there is no Matter route into the Home app either. | |
NoCatalog noteIQAir names the AirVisual app and the on-device control panel as the only control methods for the Atem X, and publishes no Google Home integration. | YesCatalog noteThe user manual documents connecting the purifier to Google Assistant through the VeSync app. | |
YesCatalog noteThe IQAir Cloud custom integration for Home Assistant authenticates against the IQAir account and covers the devices connected to it, exposing the fan and its speed, smart mode, the smart mode profile, the control panel lock and the display light. Its author built it against a GC MultiGas XE, the sibling model already in this catalog. | YesCatalog noteThe Home Assistant VeSync integration lists this exact model: Vital 100S Smart True HEPA Air Purifier (LAP-V102S-WUS). | |
NoCatalog noteIQAir claims no Matter support for the Atem X, and a search of the CSA certified products database returns no IQAir entries. | NoCatalog noteA search of the CSA certified-product database returns no Matter certification for Levoit, Arovast or VeSync. | |
| No | No | |
| Performance | ||
415 CFMCatalog noteThe AHAM certified directory of October 2023 lists the Atem X with a tobacco smoke CADR of 415, a dust CADR of 436, a pollen CADR of 450 and an optional PM2.5 CADR of 425. IQAir's own airflow per fan speed runs 65, 115, 162, 206, 265, 324, 383 and 471 cfm. | 143 CFM | |
644 sq ftCatalog noteAHAM certified room size, derived under ANSI/AHAM AC-1. IQAir also markets the Atem X for rooms up to 1650 sq ft (154 m²), a figure at a lower air-change rate. | 222 sq ftCatalog noteLevoit publishes 222 ft² at 4.8 air changes per hour and 1066 ft² at a single air change per hour. | |
8Catalog noteEight manual fan speed levels set from the touch slider, plus three smart mode profiles (Quiet, Balanced and Max) that drive the speed from the sensors. | 4 | |
58 dBCatalog noteSound pressure at 3.3 ft across the eight fan speeds: 15, 18, 24, 33, 37, 43, 48 and 58 dB(A). | 52 dBCatalog noteThe official specification gives a 23 to 52 dB range across the four fan speeds. | |
86 WCatalog noteDraw at fan speed 8. The eight speeds are rated at 6, 7, 9, 12, 21, 34, 57 and 86 W, with networked standby below 1.8 W. | 35 W | |
| Sensors | ||
YesCatalog noteIQAir lists an on-board CO2 sensor, which is unusual on a room air purifier: it reads ventilation rather than filtration. | No | |
| No | No | |
YesCatalog noteThe integrated sensor set covers PM2.5, CO2, temperature and relative humidity. | No | |
| No | No | |
| No | No | |
YesCatalog noteA particulate matter sensor reports live PM2.5 and drives the smart mode's automatic fan speed. | YesCatalog noteAirSight infrared dust sensor reads airborne particulates and drives both the air quality indicator rings and Auto Mode. | |
YesCatalog noteThe integrated sensor set covers PM2.5, CO2, temperature and relative humidity. | No | |
| No | No | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology