#10 Best Air Purifiers for Large Rooms 2023

The Medify Air MA-112 is the largest air purifier for a large room. It covers 2,500 square feet at 2 air changes per hour (ACH). With its thorough H13 HEPA filtration (medical-grade filters) and high airflow, this large room air purifier MA-112 can improve the quality of the air in your whole home. The most important benefit is that it has high-tech H13 HEPA filters, including a pre-filter, an activated carbon filter, and a HEPA filter. For all those features, this device is one of the best air purifiers for large rooms.

A large room air purifier with the best CADR rating and maximum airflow is the Blueair Classic 680i. It features the largest 650 CFM airflow and one of the highest CADR ratings of 450. It is one of the best air purifiers for large rooms. Almost all of the features you could want in an air purifier for a 1,000 square foot space are packed here, it features a 1745 square foot coverage area at ACH 2, and a 698 square foot coverage area at ACH 5. Also, it has sensors that measure the quality of the air inside the building.

The IQAir HealthPro Plus is a large room air purifier that occupies 2813 square feet (2 ACH) and 1125 square feet (5 ACH). Because of how it filters, it is one of the best air purifiers for large rooms especially the HEPA filters can remove particles as small as 0.3 microns, but HyperHEPA filters can remove particles as small as 0.003 microns, which is 100 times better than a standard HEPA filter. Because of its HyperHEPA filtration method, most consumers believe this is the best air purifier for allergies.

Next, the best air purifiers for large rooms is Honeywell HPA300. This is by far the most cost-effective model of a large room air purifier. Because of its 320 CADR rating, it has a respectable coverage area of 1163 square feet when operating at 2 ACH and 465 square feet while operating at 5 ACH. The True Hepa filter, the pre-filter, and the activated carbon filter are all included in this product. Even better, this high-performance air purifier designed for a large room can be purchased for less than $300.

For a room that is approximately 620 square feet in size, we’d recommend the installation of the Blue Pure 121 from BlueAir company. This large room air purifier is simply the most powerful air purifier available for less than $500.

Even better, the Association of Home Appliance Manufacturers (AHAM) has given it a CADR grade of 400 Dust, which is also equivalent to 400 Smoke and 400 Pollen ratings (cfm). Lastly, some allergens like dust, pet hair, pollen, and fungi are captured to a 99% degree by the polypropylene fiber filter in Blue Pure 121 for its HEPA technology.

The Blueair Classic 605 Air Purifier completes the next list of the best air purifiers for large rooms. In rooms up to 775 square feet, the HEPASilent filtering system makes this large room air purifier an excellent choice for allergy relief and general air cleaning. Even more, the ParticleStop filter and its innovative technology work together to provide unparalleled cleaning, removing 99.97% of typical household allergens down to 0.1 microns.

IQAir GC MultiGas is the next camp on the best air purifiers for large rooms. Its 1125 square feet coverage that ables it to deliver a Clean Air Delivery Rate (CADR) at 350 cfm is something to note about this product. To keep up with this high CADR, the GC MultiGas loads 5x air changes per hour (ACH). Better still, it comes with a strong HyperHEPA H11 pre-filter. This True HEPA filter is able to catch 99 percent of particles as small as 0.3 microns and 95 percent of particles as small as 0.003 microns.

For an allergy or asthma sufferer, a pet owner, or someone who just wants to enhance the air quality in their large home, the Airmega 400s Smart Air Purifier from Coway is a great option. This 23-inches tall device is one of the best air purifiers for large rooms you can try.

Since the unit is Wi-Fi integrated, you can check the air quality in real-time and make adjustments to the settings from your smartphone or tablet. Lastly, with 410 cubic feet per minute of two-stage filtration, automatic operation, and four air changes per hour, this device is more than capable to clean your room of about 1,560 square feet (CFM).

Euromonitor International Limited has given the SHARP Plasmacluster line of air purifiers their seal of approval as the “World’s Leading Air Purifier Brand.” This large room air purifier has a coverage area of up to 2,198 square feet.

As things go, AHAM suggested room size is 454 square feet, and the FPA80UW will filter the air in that room at a rate of 4.8 ACH while operating at one air change per hour. It also includes a True HEPA Filter as well as an Activated Carbon Deodorizing Filter to maximize the air purification process.

The RabbitAir Minusa2 Air Purifier is the most distinctive air purifier out of the brands and products that have been listed. At $615, it’s costly, but it has superior filtration technology and five fan speed levels, unlike other large room air purifiers. Hence, it is one of the best air purifiers for large rooms. With six stages of purification and deodorization and advanced HEPA filtration, this product works to help you get rid of almost all allergy and asthma problems.