Best Air Purifiers 2021

This air purifier is perfect for larger rooms up to 370 square feet. It features a front-facing filter with a three-stage filtration system that includes a true HEPA filter for a total of five layers to trap 99.97% of particles as small as 0.3 microns. It has a convenient, color-coded, air quality indicator that monitors your air quality in real-time, and an auto mode that will adjust the fan speed as needed according to the quality of your air. There are three adjustable fan speeds to choose from as well as a child lock, sleep mode, and timer.

This air purifier features a medical-grade, ultra-duo, five-stage filtration system. It's a multi-use air purifier, odor eliminator, air deodorizer, captures dust, pollen, smoke, pet dander, and hair. It also breaks down various harmful gases such as formaldehyde, ammonia, benzene, and VOCs. It has a child lock, sleep mode, and timer, and it's an excellent value.

This air purifier uses a triple air filtration system with a true HEPA filter to tackle 99.97% of airborne particles as small as 0.3 microns. It's designed for living rooms or larger rooms and offers four-in-one functionality that includes: sleep mode, auto mode, timer, negative ion mode, and four fan speeds: low, medium, high, and turbo. It also has a smart air quality sensor that color codes your air quality in real time.

This air purifier features a unique halo design and a true HEPA filter. The ring light illuminates red when the filter needs to be replaced. It has three different fan speeds and two adjustable ambient light options making it an excellent night light. It also has a timer that can be set to 2,4 or 8-hours of usage and it's perfect for small rooms and spaces.

This air purifier comes with a three-in-one customized pet filter with ARC formula to ensure excellent performance. It's designed specifically for those that suffer from pet allergies to relieve allergic symptoms such as sneezing, coughing, itchy eyes, and runny nose. It features quiet operation and a true HEPA filter.

This medical-grade air purifier uses a true H13 HEPA air filter to remove 99.9% of airborne particles. It can clean a room of up to 1600 square feet in one hour and 840 square feet in 30 minutes, making it ideal for larger rooms and spaces. It features a sleep mode, ionizer, child lock, timer, and three fan speeds. It also comes with a lifetime warranty.

HEPASilent technology leverages electrostatic charge and mechanical filtration to deliver true HEPA performance capturing 99.97% of airborne pollutants including dust, mold, pet dander, and pollen for relief from allergies and asthma. Dual protection filters with activated coconut carbon, naturally remove gaseous pollutants and smoke without the need for chemical additives. This purifier is Wi-Fi enabled for control through the Blueair friend app and Amazon Alexa.

You can monitor and control your Germ Guardian anywhere with the Guardian Technologies app. This device can also be voice-controlled via Amazon Alexa or Google for convenient setting changes. It uses a true HEPA filter and UV-C light to help kill airborne viruses such as the flu, staph, and rhinovirus and works with titanium dioxide to reduce volatile organic compounds.

The Molekule Air and Air Mini use photoelectrochemical oxidation (PECO) nanotechnology to destroy viruses, VOCs, allergens, bacteria, and mold. These purifiers are easy to control using their touchscreen displays and for added convenience, you can connect both to your WiFi to control them remotely via your iPhone or Android app.

Protect your family from home air pollutants with this 5-in-1 true HEPA air purifier. Both an air cleaner and odor eliminator, this purifier features a unique honeycomb-activated carbon filter that effectively absorbs odors, smoke, and VOCs. Ozone-safe and approved by CARB, an anion generator can be turned on separately to target stubborn odors like cigarettes and litter boxes. It's equipped with a smart air quality sensor so you always know the quality of air you're breathing.

This purifier features a true HEPA filter with AeraSafe antimicrobial treatment and carbon filter four a four-stage filtration process. An odor eliminator also captures mold, dust, germs, and smoke. This product is ideal for allergy and asthma sufferers. An AeraSmart sensor monitors your air quality and automatically adjusts the fan speed to keep your air efficiently purified.

This product is 100% ozone-free, ETL listed, FCC certified, and CARB approved. It's a smoke eater and odor killer. It uses a charcoal foam filter and granular activated carbon filter for two times the absorption of heavy smoke, odor, and other nasty smells. It's compact, but powerful. You can feel a difference in small rooms up to 161 square feet in 30 minutes.

Unlike a standard fan, the Blue Pure Fan cleans as it cools, removing over 99% of airborne dust and pollen particles. Patented fan technology delivers a gentle stream of clean, cooling air across a 90-degree range; no oscillation required. It offers customizable pre-filters that are washable and available in five colors. It features three, speed settings and will alert you when it's time to change the filter.

This air purifier uses a three-stage, aerodynamic filtration system to effectively remove 99.97% of airborne particles as small as 0.3 microns. It features exceptionally quiet operation, four fan speeds, and a night light with three different brightness settings. It's perfect for small rooms or as a desk or table topper.

High design meets high performance with the mod air purifier. This air purifier features a smart design with a glass user interface and orange carry handle. Plus, it has a filter handle so a dirty filter will never be touched. It removes allergens, dust, bacteria, pollen, mold spores, pet dander, smoke, viruses, and VOC's. It uses a medical grade true HEPA filter and is perfect for large rooms up to 1,250 square feet.

This air purifier features a true HEPA filter and is designed for small to large rooms up to 300 square feet. You can choose from four optional replacement filters based on your needs. Choose from a germ defense filter, toxin absorber, odor remover, and standard filter. It features a quiet operation and a five-year warranty.

This air purifier is great for larger rooms up to 550-square feet. It uses a six-stage advanced purification system that includes a true HEPA filter and an activated carbon filter to keep your air fresh and clean. It features three fan speeds, one to 12-hour timers, a child lock, air quality and filter health indicators, auto mode, and an LED night light. It also comes with a remote control so you can operate this purifier from the comfort of your bed or couch.