12 Best Smart Air Purifiers (Review) In 2021

Suitable for rooms up to 900 sq. ft. and using a three-stage filtration system paired with the true HEPA filter, the LEVOIT LV-PUR131S Smart Wifi Air Purifier removes dust, pet dander, and allergens from the air as well as reducing smoke and others odors that may linger in the air. Setting up and using this smart Wi-Fi air purifier is so simple! When you connect to Wi-Fi, you enable all control to take place from the smartphone app, VeSync, from home or on the go. The app allows you to switch between the two modes – auto and sleep – and set timers and schedules to maintain clean air quality. With a quick glance at the app, you can check your level of air quality, the color coded system will indicate whether your air requires purifying. You can also use voice commands with Amazon Alexa or Google Home Assistant to increase fan speed and switch your purifier on and off.

There is no compromise when it comes to getting a good night’s sleep and purifying your air! This air purifier, when in sleep mode, runs almost silently, at just 27 dB. The large activated carbon filter and H13 True HEPA filter with three fan speeds help purify the air 30% faster and more efficiently than other models. This Energy Star certified model measures 21.6 x 17.5 x 10 inches and weighs 15.17 pounds.

If you are looking for a whisper-quiet air purifier, the Hathaspace Smart True HEPA Air Purifier does just the job while still effectively purifying your air and eliminating odors. The five-in-one filtration system features a cellular activated carbon filter to remove volatile organic compounds from the air and a True HEPA air filter that helps remove up to 99.7% of allergens, pet dander, dust, and pollen.

This air purifier has an automatic air quality sensor that will measure your air quality and adjust its fan speed as required when in auto mode; the air quality level is displayed on the front of the unit with a color system (red, yellow, or green) so you are able to always assess your air quality. Operate this air purifier with ease by using the remote controller. This model measures 13.5 x 7 x 19.5 inches, weighs 12 pounds, and includes a two-year warranty.

Our stylish and sleek premium pick, the RabbitAir MinusA2 Smart Air Purifier, is designed with you in mind! This smart air purifier allows for a customizable front panel, so you can choose a purifier that blends with your home while cleaning the air, keeping it free of dust mites, allergens, pet dander and reduces bad odors such as smoke and cat litter. Ideal for rooms up to 815 sq. ft., this purifier can standalone or is capable of being wall-mounted. By using a six-stage filtration system, using filters like the BioGS HEPA filter and a charcoal-based activated carbon filter, and five fan speeds, this smart purifier can filter your room twice in an hour when used on the highest setting.

Run your air purifier while you sleep or watch TV, as it runs ultra-quietly, just at 20.8 dB on its lowest setting and 45.6 dB on the highest setting. Being wirelessly controlled gives you the power to change fan speeds, power it on or off, and create a schedule when used with the Rabbit Air App on your smartphone; you can also use voice commands with Alexa, such as adjusting the settings. This smart air purifier will also transition itself into sleep mode when it is in a dark room and re-adjust its settings when in a light room for more powerful air cleaning. This Energy Star certified model measures 7 x 21.4 x 20.25 inches and weighs 19.4 pounds.

With three-speed settings and three different modes, the NASH Smart WiFi Air Purifier is ideal for rooms up to 350 sq. ft. Featuring a True H11 HEPA+ filter, you will notice a much higher air quality; when in use, this air purifier recycles the air up to five times per hour. Like most models, you must replace the HEPA filter every six months or so, but the washable filter included with this model helps extend the HEPA filter’s life.

Use either the smartphone app or voice control with Alexa or Google Home to operate your smart air purifier. The app provides you with a range of features to help improve your air quality, such as the option to set up a schedule or automation to always keep your air clean. The quiet auto mode runs almost silently, at 20 dB, and can adjust itself to match real-time, so the fan speed will increase during busier times of day when the air is likely to get dirtier. With conveniently positioned carrying handles on either side of the unit, you can move the air purifier from room to room to make sure your home benefits from clean air everywhere. This model measures 13 x 7 x 20 inches, weighs 14.97 pounds and includes a two-month warranty.

For air purifying coverage of rooms up to 1560 square feet, the Coway Airmega 400 Smart Air Purifier is your best option for large rooms. To monitor your indoor air quality in real-time, there is an LED ring displayed on the front of the unit that changes color deepening on air quality; with blue meaning the best air and red being unhealthy air, with a high presence of allergens, dust, pollen and other unwanted particles in your air. This model uses a Max2 Filter which is composed of activated carbon and a True HEPA filter for high-performance air cleaning. The filter indicator will alert you when the micro-mesh pre-filter needs cleaning and when other filter replacement is required.

There are five fan modes including smart and sleep; in smart mode, this air purifier uses three settings to adjust accordingly based on the current quality of the air. At its highest setting, the maximum output of sound is 43.2 dB. This box-shaped designed air purifier measures 14.8 x 14.8 x 22.8 inches and weighs 24.7 pounds, so is ideal as a permanent fixture in your larger rooms. There is five-years manufacturer’s limited warranty included.

If you are in search of a smart air purifier that is capable of measuring the air quality and adjusting its settings accordingly, the RENPHO HEPA Smart Air Purifier ticks that box! Best for rooms no larger than 301 square feet, this air purifier uses a premium five-stage filtration system to capture and remove both large and small particles in your air, such as pet dander, pollen, dust mites, allergens, and volatile organic compounds. The activated carbon filter helps reduce unwanted odors in your home and the True HEPA filter removes those particles from the air that can affect your health.

Control your air purifier all from your smartphone with the RENPHO app; create schedules, set timers, and check filter life with ease, whether you are home or away! The quiet sleep mode, which operates at 35 dB, guarantees you a peaceful sleep while ensuring that the quality of your air is maintained in your room. The smart key-lock function helps avoid curious children from adjusting any settings. This model measures in at 13.98 x 8.11 x 20.87 inches and weighs 16.27 pounds; it also includes a one year warranty.

Perfect for the office or home in rooms up to 214 square feet, the TENDOMI WiFi Smart Air Purifier allows for 24-hour scheduling to remove allergens, capture pet dander, dust and trap mold and germs from the air. With its unique oscillation of up to 90 degrees and choice of four speeds, this model uses a True HEPA filter to keep your air healthy and clean. Operating at its lowest setting, this super quiet level of 25 dB, means you can get on with your day undisturbed.

The LED touch panel allows for easy operation, but with its Wi-Fi connectivity, you also have the option to control it and set schedules or timers and monitor the HEPA filters lifespan. Compatible with both Alexa and Google Home Assistant, you can also use voice control to turn your air purifier on or off. This unit measures 6.38 x 6.38 x 16.02 inches and weighs just 3.63 pounds making it perfectly compact and portable. You will also receive a five-year warranty.

Designed with larger rooms up to 325 square feet in mind, the Elechomes KJ200-A3B Pro Series Air Purifier uses an activated carbon filter and a True HEPA filter to clean the air in your home. By recycling the air in the room in which this unit is placed up to five times per hour, you will notice a difference in your air with it being cleaner and free of common allergens found in the air like pollen and dust, as well as pet dander.

Use one of the three modes – manual, auto, or sleep – and set your preferred fan speed. Control the quality of your air whether you are at home or on the go by using the Elechomes Air Purifier App; use the app to switch between modes, set timers, and schedules, and monitor air quality. You can also turn on the handy child lock to avoid curious children pressing buttons and altering the modes and fan speeds you have set. With convenient built-in handles positioned on either side, this unit measuring 13.9 x 8 x 23 inches and weighing 11 pounds, can be easily moved from one room to the next. An 18-month warranty is included.

Using four-stage filtration, the Winix AM90 Wi-Fi PlasmaWave Air Purifier combines the use of carbon filters with True HEPA filters with patented PlasmaWave technology that neutralizes dust, dirt and allergen particles at a molecular level. Best for use in medium to large rooms up to 360 square feet, this Wi-Fi-enabled model allows you to control the purifier from Winix Smart App to not only monitor your indoor air quality, but also outdoor air quality; you can also set timers and create schedules from the app.

By using the app you are also able to enable Amazon Dash Replenishment which will ensure that you never run out of replacement filters. You can also use voice commands with Amazon Alexa and request information about the quality of your air. This air purifier measures 15.1 x 8.7 x 23.5 inches and weighs 16.5 pounds; it also includes a 90-day limited warranty.

The Inofia Air Purifier constantly monitors your air quality with its advanced sensor, displaying indoor air quality via an LED visual, perfect for large rooms up to 1056 square feet. With a choice of manual or auto mode with five fan speeds, you can expect this air purifier to reduce particles like dust, pet dander and hair, dirt and mold while eliminating foul odors.

Pairing both a True HEPA filter and an activated carbon filter, your indoor air quality will be significantly improved; the smart sensors monitor the air and when it picks up on changes, it will adjust the fan speed to clean the air. You can operate this model with the buttons on the front of the unit, but for further control, use your smartphone device to adjust your settings from the bath, bed or even the office! Built-in handles are positioned on either side of the unit so you can move it from room to room; this model measures 13 x 13 x 23.8 inches and weighs 23 pounds.

If you are looking for a sleek design that does not lack in clean air delivery rate, the Germ Guardian Smart Voice Control Air Purifier fits the bill. The HEPA air filter captures airborne particles in the air like germs, dust mites, pollen, allergens, dust, and pet dander, and the optional powerful UV-C light then kills airborne pollutants and bacteria that can harm your health. The charcoal filter reduces bad odors that can exist in your home. Ideal for medium to large rooms up to 167 square feet, this model offers five-speed settings, including an ultra-quiet mode.

With both Wi-Fi and Bluetooth connectivity, you can control your air purifier with your smartphone and receive updates and alerts about the quality of your air. The Germ Guardian is also compatible with both Amazon Alexa and Google Home, so you can use voice commands to control your air purifier, instructing it to clean the air. This model measures in at 8.2 x 10.5 x 29.5 inches and weighs 11.6 pounds. You will also receive a five-year limited warranty with your purchase.

The Dyson Pure Cool DP04-HEPA Air Purifier features a 360-degree filtration system to make sure your air is free of pollutants, dust, dirt particles, allergens, and pet dander while keeping you cool. By using a sealed HEPA filter, this smart purifier is great for any large room in your home. This unit oscillates and you have a choice of four oscillation settings to help circulate air throughout the room in which it is placed. With a choice of modes such as diffused mode, auto mode, and night mode with dimmed display, you can select the one that is most suitable for your needs.

Its LCD display will show you the current air quality level and uses its smart sensors to determine which particles are of high volume in your air. Use either the magnetized remote control, which can be stored on top of the unit, or the Dyson Link app to control your air purify and adjust its settings. You also have the option to use voice commands when you pair your air purifier with Amazon Alexa and Apple Siri. Perfect for tabletops, or to stand alone, this purifier measures in at 8.77 x 13.85 x 27.2 inches and weighs 10.18 pounds.