Best Smart Air Purifiers Reviewed

Best Smart Air Purifiers Reviewed

Besides furniture or interior design, the comfort of a room is also determined by the air quality of the indoor environment. Most people with respiratory disorders such as allergies and asthmas require an allergen-free atmosphere to stay healthy. Getting the best smart air purifier should meet this demand.

To determine the best smart air purifier, you have to consider the type of filter it uses and how fast it responds to change in air quality. High-efficiency particulate air/ Arrestor (HEPA) filters are tested and certified to capture, as small 0.3 microns, 95 to 99.97% of allergens. The lifespan of a filter is determined by the indoor air quality and operation of the unit.

The best smart air purifier has the most advanced technology such as UV-C light, Activated Carbon and ionic technology to eliminate odors, VOCs and germs. In this smart air purifier review, we are going to highlight 7 smart air purifiers.

GermGuardian CDAP4500BCAGermGuardian-CDAP4500BCA

Design Features

The GermGuardian CDAP4500BCA smart air purifier has a dimensional specification of 8.9 x 6.4 x 22 inches. The 9.9 pounds device is designed to serve a closed small room of up to 124 square feet. The 5-speed purifier requires an input voltage range of 110- 120 volts.

Energy Star estimates that the unit will use 17 watts, 40 watts and 56 watts on low, medium and high setting respectively. It has a Clean Air Delivery Rate performance of 107, 116 and 99 CFM for dust, pollen and smoke respectively.

The purifier can be operated with the use of an App which keeps the user up to date with the air quality condition of the room. It also sends instant notification alerts such as when to replace your bulb or filter. It has a control timer which can be set from 1 to 8 hrs.

The Wi-Fi air purifier uses Bluetooth for wireless control and Alexa Skill or Google Assistant to for Voice control. These features allow you to remotely monitor, control and maintain air quality from anywhere.

The purifier is equipped with an Air Quality Monitor technology (SmartAQM) which can be programmed to detect the amount of particulate matter in a room. The technology uses color change to indicate the level of air quality – Green (good), yellow (moderate) and red (poor). In auto mode, the purifier will automatically adjust the speed to optimize the air quality.

The smart home air purifier comes preinstalled with a HEPA charcoal filter and ¼ inch carbon pre-filter that capture allergens and air pollutants of up to 0.3 microns in size. The unit’s UV-C light Sanitizer technology, which works together with Titanium Dioxide, works to exterminate germs and reduce odors. The filter B (model FLT4825) is replaceable after every 6 to 8 months, depending on the usage. The GermGuardian purifier has a 3-year limited manufacturer warranty.


• Verified by AHAM
• Certified by Energy Star
• Carb Compliant
• Energy efficient
• Whisper quiet filtration at low speed
• Easy to set up and operate
• Doesn’t consume much space


• Loud high pitch sound on high speed
• Expert needed for set up
• Connects to only one device
• Costly Replacement filters

User Critic

According to GermGuardian purifier reviews, there is no way to turn the unit’s lights off at night. In addition, you may get problems with connecting to Wi-Fi, Bluetooth, and Alexa skills. Some consumers reported that the purifier stopped working after a couple of months, but looking at its rating on Amazon, it seems that these unsatisfied users are a minority.

Final Verdict
The 4-in-1 Air Purifier is perfect for people who suffer from allergy and can be used in smaller spaces.

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AIRMEGA 400SAIRMEGA-400SDesign Features

The AIRMEGA 400S smart air purifier is a Coway product which comes with a dimensional specification of 14.8 x 14.8 x 22.8 inches. The 24.7 pounds unit has a sleek white or graphite color design, fitted with handles on the sides for easy movement. The unit uses a brushless motor which requires a voltage input of 110 to 120 volts.

The Ultra Quiet construction of the purifier uses two low speed fans and larger air vents to offer a noise level range of 22- 52 dB. The Wi-Fi air purifier is compatible with Amazon Alexa and connects to a Wi-Fi network with a frequency band of either 5 or 2.4 GHz.

This smart home air purifier has three smart modes: The Auto-speed, the Eco and the Sleep mode. The Auto-speed mode automatically adjusts the air filtration speed to efficiently clean an area of about 1,560 square feet with 410 cubic feet per minute (CFM), 2 air changes per hour. The Eco mode automatically shuts and restarts the fan to conserve energy. The sleep mode uses a light sensor to detect when the room is dark and automatically reduces the fan speed to run quietly.

The smart air purifier can be controlled by the Airmega mobile App which runs on iOS and Android 4 or later versions. The App lets you monitor indoor and outdoor air quality in real-time. You should be able to control the speed of operation, schedule the timer (up to 8 hrs.), view the status of the filters and receive real-time updates via your smartphone or tablet.

The AIRMEGA purifier is fitted with a set of MAX2 filter and Pre-Filters. The dual-filtration system consists of a Green True HEPA and Activated Carbon filter that eliminates harmful allergen (as small as 0.3 microns) and volatile organic compounds (VOCs) respectively. The purifier has a 5-level filter lifetime indicator that informs you when the filter is due for replacement.

The purifier is fitted with an air quality sensor. The brightly colored LED ring changes color to indicate the air quality of the surrounding area. The unit has a safety feature that turns off the device when the filters cover is removed. AIRMEGA 400S comes with a 5-year limited warranty.


• Compact design
• Simple to use and maintain
• Very quiet in lower settings
• Efficient and occupies less space
• Certified by ETL
• Responds fast to air quality changes
• Washable pre-filters


• Dysfunctional smart features
• A bit loud on high settings

User Critic

Judging from AIRMEGA 400S customer reviews, the purifier has issues with connecting with the mobile App and WiFi network.

Final Verdict
The AIRMEGA 400S is suitable for use in a space of up to 1500 sq. ft. and recommendable for people who suffer from allergies and asthma.

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Alen BreatheSmart-PureAlen-BreatheSmart-PureDesign Features

The Alen BreatheSmart-Pure smart air purifier and ionizer has a dimensional specification of 10 x 17.8 x 26.8 inches. The 21 pounds unit comes with 15 colored panel options to match any home décor and style. It is designed for use in large and open living spaces up to 1100 Sq. Ft. The ionizing feature can be turned on or off.

The purifier requires a power supply range of 110-220V and has a maximum wattage consumption of 105 watts. It has a CADR rating of 300 with 2 Air change per hour performance. The purifier comes with a timer with settings that range from 4 to 12 hours.

The fully customizable air purifier comes with a standard BF35 HEPA pure filter, designed to remove allergens, dust, and particles greater than 0.3 microns with 99% efficiency. It also comes with a foam pre-filter, which can be washed or lightly vacuumed. The HEPA pure filter can last 6 to 18 months, depending on how you use it.

The Alen smart home air purifier also comes with a laser SmartSensor feature which automatically detects and adjusts the air purifier to changing air quality. It uses a WhisperMax technology which generates white, pink and red noises aimed at masking disruptive, irritating or high-frequency sounds. The purifier comes with a Lifetime Warranty and a 60-day guarantee.


• Simple sleek design and Lightweight
• Certified by Energy Star
• Endorsed by SleepScore
• Easy to install and use
• Lifetime Warranty
• Quiet on low to medium settings
• Complies with California ozone standards
• Responds quickly to smoke and strong food smell


• A bit noisy on high settings
• Costly replacement filters
• Not WiFi enabled

User Critic

According to Alen BreatheSmart-Pure consumer reviews, the filter could come with a very distinct chemical odor. Also, few months of use, the fan starts making annoying random sounds. It is important to note that the warranty is only valid in the country of purchase.

Final Verdict
The Alen BreatheSmart-Pure is recommended for people battling allergies, lung issues, asthma, sinus infection concerns, and pet lovers. It is suitable for use in family rooms, bedrooms, living rooms and other large, open-concept spaces up to 1100 Square feet.

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Dyson Pure Cool LinkDyson-Pure-Cool-Link

Design Features

The Dyson Pure Cool Link smart air purifier has a dimensional specification of 7.7 x 4.3 x 40.1 inches. The 7.9 pounds unit has a white color finishing. The device is designed to purify and cool average sized rooms. It can purify a room of 52 sq. ft in about 30 minutes. It requires a single voltage range of 110 – 120 V and consumes a maximum of 60 watts.

The smart home air purifier uses inducement and entrainment to capture air and circulates purified air across the room. Its long-range projection and 10 airspeed setting assists the Air multiplier and Oscillation technology to circulate the purified air.

The purifier comes with an oscillating fan, which offers cooling in summer and purifies all year round. It also has a night-time mode which relies on the quiet settings and sleep timer to dim the LED display. It comes with a remote control that can be used to adjust the airflow speed. The wifi air purifier easily connects to a WIFi network with a frequency band of 2.4 GHz. It is engineered with a built-in sleep timer that can be set for up to 9 hours.

The smart air purifier is fitted with a 360-degree, vacuum-sealed glass HEPA filter (Gen 1 filter) and a second layer of activated carbon. Its dual filtration aims to capture ultrafine pollutant particles, as small as 0.3 microns, and odors or potentially harmful toxins. The filter is designed to last for 4300 hours to up to 1 year depending on how it is used.

The purifier comes with a Dyson Link App which allows the user to remotely monitor the indoor and outdoor conditions, and control the indoor air quality from anywhere. You can also view real-time metrics (purifier activity, daily and weekly reports and filter life) and set purification schedules right from the app.

The Dyson Link App connects with Amazon Alexa to give it a voice control functionality. In auto mode, the intelligent purifier monitors the indoor environment and reacts to air quality reports that require instant purification.

Besides providing a powerful and smooth airflow, the unit’s bladeless design makes the device safe and easy to clean. The purifier uses an automatic shut-off safety feature that comes to action when the device is tipped over. The Dyson Pure Cool Link purifier comes with a 2-year warranty on parts (excluding the filter) and labor.


• small footprint to fit in small spaces.
• The App can control more than 1 unit.
• elegant design with quality material
• Quiet Mark accredited
• Certified Asthma Allergy Friendly
• Compact and lightweight
• Easy to use and set up
• Responds quickly to changes in air quality
• Whisper quiet on low speed settings
• washable filter


• Costly replacement filters
• Loud at higher speeds
• Narrow oscillating angle

User Critic

According to consumer reviews, the purifier has issues with connecting to Bluetooth and Wi-fi network. There are also incidences where the schedule doesn’t update. Plugging the device into any power splitters, surge protectors or extension cords may affect its operation. The warranty is only valid in the county of manufacture and if bought from an authorized dealer.

Final Verdict
The Dyson Pure Cool Link is suitable for use in the family room, living room, bedroom, office or bulk living area of up to 1000 sq. ft. It is recommendable for people suffering from Asthma, chronic allergies, sinus conditions or other respiratory issues.

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Wynd Plus Bundle

Design Features

The Wynd Plus Bundle smart air purifier comes with detachable air quality tracker. The 0.9-pound device has a dimensional specification of 9.3 x 8.8 x 4.2 inches and comes with a white matte finishing. The 2 in 1 portable design aims to measure pollutant particles by size and clean a small enclosed space of up to 100 square feet at the rate of 0.009 cubic meters per second.

Wynd Plus Bundle uses a rechargeable 1 Lithium ion battery and uses a USB-C wall charger that works with a voltage range of 110 to 220 V. The battery can last for 7-8 hours on medium settings and can use around 10 to 12 Watts on maximum settings. The Auto mode that can automatically adjust the speed to clean and maintain a healthy environment.

The purifier uses Bluetooth to facilitate the communication between the Purifier, Tracker and mobile device. It also comes with a Wynd App that works with the detachable tracker to deliver real-time air quality data, alerts and insights. The app is available in iOS and Android 4.3 and later versions and allows you to monitor and control the air quality in your home.

The smart home air purifier is fitted with a medical-grade filter, which uses mechanical and passive electrostatic filtration mechanism to trap allergens, germs, and air pollutants. The Wynd app can be programmed to inform you when to change the filters and how to order the replacements. The filters can last for around 3 months, depending on the usage and air quality conditions. The unit comes with a 2-year warranty.


• sleek design and quiet operation
• Compact and Lightweight
• Respond quickly to particles in the air
• Comes with a carrying case
• easy to use
• seamless Bluetooth and app integration


• Dysfunctional app
• A bit noisy on high-speed settings
• doesn’t use WiFi

User Critic

According to consumer reviews, it is cumbersome to charge the tracker together with the device. The air quality sensor light can only be turned off by using the app from your phone or detaching the tracker from the unit.

Final Verdict
The Wynd Plus Bundle can purify 3-4 feet around the device making it suitable for use in small enclosed spaces. It is recommendable for people who suffer from allergies, asthma, sinus, and other breathing issues.

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Ibaby AirIbaby-Air

Design Features

The ibaby air is a smart air quality monitor and ion purifier. The 1-pound purifier has a dimensional specification of 6 x 6 x 5 inches. It is designed to purify a 200 square feet room in about 1 hour. The wifi air purifier connects to a Wi-Fi network with a frequency band of 2.4 GHz.

The monitor can be controlled the free iBaby Care app which is compatible with iOS and Android devices. The app lets you talk to your baby, play bedtime stories and lullabies, add your own audio music and connect to iTunes library at any also allows you to control the lights for entertainment or use at night for reading. The app features a Community where users from all over the world can interact.

Ibaby Air is designed with two-way audio speakers, which can be used for playing music, recording voice or baby audio monitoring. The purifier can be customized to send VOC, temp, humidity, sound notification alerts in digital history graph to your mobile device.

The ibaby air is equipped with air sensors and detectors. The VOC detector informs the user of the harmful VOC elements, while the sound detector notifies the user when the baby crying. The device can also detect changes in humidity and temperature.

The purifier has an air quality indicator which comes with four factory pre-set and customizable lights that change with the air quality. The purifier has a night mode feature which transforms the gadget into a smart light stand able to turn the Smart LED Lights on/off day or night.

The ibaby air not only detects harmful elements, it can also send personalized tips and suggestions on lifestyle improvement. The device comes with an Air Station Map which collects information from nearby ibaby air purifiers and lets you compare and track air quality trends as they develop.


• Compact and lightweight design
• Easy to install
• Monitors and Purifies air
• No filter or cleaning needed
• The app can monitor more than one unit
• Offers echo cancelation.


• Network connection issue and Buggy app

User Critic

According to ibaby air reviews, the device can fail after 6 months of use. The unit has issues with connecting to the app. In addition, the accuracy of the reading can be affected by the surface on which the device is placed on.

Final Verdict
The ibaby air smart purifier is recommendable for use by parents to monitor babies from any anywhere. As for cleaning the air, less in know about this function.

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AirSense Smart Air Quality Monitor Ion PurifierAirSense-Smart-Air-Quality-Monitor-&-Ion-Purifier

Design Features

The AirSense smart air quality monitor and ion purifier is an iBaby product which comes with a dimensional specification of 5 x 6 x 6 inches. The 1-pound unit has a dark wood color finishing. It basically detects harmful elements and purifies the air using Ionization.

The purifier is designed with two-way audio speakers which can be used to play music (compatible with iTunes or Google Play), record and replay voice or as an audio monitor. The wifi air purifier connects to any home Wi-Fi with a band frequency of 2.4 GHz.

The purifier comes with an iBaby Care App (compatible with iOS and Android) which control the monitor and displays a digital history graph for air quality. The device can be programmed to send smart alerts to your smartphone or tablet. You can also receive personalized tips and suggestion on how to improve your air quality. The app lets you control the light for different purposes such as entertainment and reading.

AirSense comes pre-set with four air quality indicator lights – green, yellow, orange, and red. It is also equipped with sensors to detect volatile organic compounds (VOC), change in air quality, temperature, and humidity. In auto mode, the device can monitor the air quality and instantly act on negative air quality alerts and notifications.

With the help of the iBaby Care App, the smart home air purifier allows you to track and compare worldwide environmental trends and weather information. The air station map tracks nearby air sense monitors. Apart from adding unlimited users you can also receive lifestyle suggestions from this device. The AirSense purifier a has 1 Year Warranty.


• Does not use a fan
• Quiet in operation
• Easy to set up


• Buggy app
• Requires expert installation
• No manual controls

User Critic

Judging from the AirSense reviews, the purifier only functions when it is connected to a Wi-Fi connection and usually requests password changes to connect.

Final Verdict
The AirSense Smart Air Quality Monitor Ion Purifier detects air quality and works perfectly well as a baby monitor. It is recommendable for use with families with babies, young children, pets, or anyone with chronic illnesses

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SPECIFICATION GermGuardian CDAP4500BCA AIRMEGA 400S Alen BreatheSmart-Pure Dyson Pure Cool Link Wynd Plus Bundle ibaby air AirSense Smart Air Quality Monitor & Ion Purifier
Dimension 8.9 x 6.4 x 22 inches. 14.8 x 14.8 x 22.8 inches. 10 x 17.8 x 26.8 inches. 7.7 x 4.3 x 40.1 inches. 9.3 x 8.8 x 4.2 inches 6 x 6 x 5 inches 5 x 6 x 6 inches.
Weight 9.9 pounds 24.7 pounds 21 pounds 7.9 pounds 0.9 pounds 1-pound 1-pound
Input Voltage 110-120 V 110-120 V 110-220V 110-120 V 110-220 V 100-240V 100-240V
Connectivity Bluetooth & Wi-Fi Wi-Fi N/A WIFi Bluetooth Wi-Fi Wi-Fi
Filtration HEPA & UV-C light Sanitizer technology MAX2 filter set (Green True HEPA and Activated Carbon) standard BF35 HEPA pure filter 360-degree, vacuum-sealed glass HEPA filter (Gen 1 filter) & activated carbon medical-grade filter (mechanical and passive electrostatic filtration mechanism) Ion purification Ion purification
Warranty 3-year 5-YEAR LIMITED WARRANTY Lifetime 2-year 2-year 1 year 1 Year
Price $156.99 $548.00 $599.00 $349.00 $199.00 $33.61 $85.99


 Best One Overall 

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Based on the smart air purifier review, the overall best smart air purifier is the AIRMEGA 400S units. It is fitted with advanced filters and can be controlled remotely. The fact that it can purifies a larger area make it the best smart air purifier.





 Best One for Money 

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The best smart air purifier for the money would be the Wynd Plus Bundle. It is portable, affordable and can be remotely operated.