Best Smart Wi-Fi Air Purifiers iMore 2020

Air purifiers are a great way to keep the air inside our homes fresh and clean, but the best smart Wi-Fi air purifiers take it to the next level. These smart appliances combine app and voice controls, with air quality monitor capabilities, making it easy to ramp them up if things suddenly take a turn for the worse, either manually or automatically. If you are in the market, these are the best smart Wi-Fi air purifiers you can buy today.

Premium design: Molekule Air Mini+

Staff Favorite

Molekule's line of air purifiers is known for their stunning designs and unique PECO technology that destroys pollutants at a molecular level. In our Mini+ review, iMore's Managing Editor, Lory Gil, described it as "pretty darn close" to being perfect with the addition of app connectivity in this smaller model. The Molekule app reports air quality and allows for speed adjustments on the go, plus it will even show you filter life for both the PECO-Filter and Pre-Filter.

Cost effective: Elechomes Smart Wi-Fi Air Purifier

Despite its low price, we found the Elechomes Smart Wi-Fi Air Purifier to offer an impressive amount of features in our recent review. This purifier includes air quality monitoring, adjustable speeds, automatic mode, and quiet operation with a thoughtful night mode. If that weren't enough, it works with Alexa, Google, and even Apple's Siri through Shortcuts.

Heats and cools: Dyson Pure Hot + Cool Air Purifier HP04

Dyson's futuristic HP04 goes above and beyond air purification with a cooling fan and heating modes. A unique 360-degree glass HEPA filter removes allergens, mold, and smoke, plus it oscillates to distribute air around rooms up to 290 sq. ft. An on-device display puts air quality monitoring a glance away, plus the Dyson Link app brings it right to your phone.

Large and in-charge: Coway AIRMEGA 400S

The Coway AIRMEGA 400S covers the largest of rooms, up to 1,560 sq. ft. This purifier is equipped with a HEPA filter that reduces particulates down to 0.3 microns and includes built-in air quality monitoring that can ramp it up according to measurements in the background. Connected features include Alexa voice controls and Amazon's Dash replenishment service for easy filter changes.

Smart and slim: Germ Guardian CDAP5500BCA

GermGuardian's ultra-slim purifier filters and cleans with a replaceable 4-in-1 HEPA filter and UV-C light. This purifier cleans smaller rooms, up to 167 sq. ft., with 5 speeds and automatic mode with its built-in air quality monitor. It also works with the GermGuardian app via Wi-Fi and Bluetooth, for on-demand controls and voice through Alexa and the Google Assistant.

Cost effective: RENPHO Smart WiFi Air Purifier RP-AP001S

Another affordable option, the compact but capable RENPHO RP-AP001S, has all of the purification essentials like a HEPA filter and air quality monitoring. Designed for medium-sized rooms, this purifier delivers a CADR rating of 135 for rooms up to 301 square feet in size. Smart controls include speed adjustments, scheduling, voice commands, and timers.

$140 at Amazon

Connected cleaners

The best smart Wi-Fi air purifiers truly offer it all, putting all of their connected capabilities just a tap, or shout, away. Whether it is just for maintaining a healthy home or battling seasonal allergies, there are smart purifiers available in all shapes and sizes.

The Molekule Mini+ features an absolutely stunning design, with a smaller footprint — and price tag, than its flagship tower purifier. While smaller, the Mini+ can still clean rooms up to 250 square feet with its PECO technology that destroys common pollutants at the molecular level.

Need a smart air purifier that can cover larger rooms? Then check out the Coway AIRMEGA 400S. This beast can cover rooms up to 1,560 sq. ft. It's not all just about the size, though, as this purifier packs a HEPA filter that captures particulates down to 0.3 microns in size and, of course, connected controls.

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