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To find the best large room air purifiers, you’ll need to examine a list of criteria to determine what is most important. We recommend the best large room air purifiers with a minimum 3-stage filtration system, which combines a pre-filter for large particles, a true HEPA filter for ultrafine particles, and a combination of the activated carbon layer and ionizer for smoke and odors. We are big fans of healthy digital controls that include sleep mode, auto mode (fan speed adjustment), and real-time air quality updates. These are some of the features that make up the highly-rated air purifiers. After analyzing hundreds of reviews, we’ve determined that the Coway AP-1512HH Mighty Large Room Air Purifier is the best whole-house air purifier you can buy. Keep reading about this and our other top picks to learn more about how to select the best large room air purifier 2022 for your home. Top 10 Best Large Room Air Purifiers#1 Coway AP-1512HH Mighty Large Room Air PurifierSale
Award: TOP PICK WHY WE LIKE IT: This large-room air purifier comes with an indicator that alerts you when the HEPA filter and deodorization filter needs to be replaced. It can clean the air in rooms of up to 361 square feet with its 4-stage filtration system. Pros
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Known for its fine performance and features, the Coway AP-1512HH Mighty air purifier comes with a 4-stage filtration system that removes 99.97% of airborne particles. The Coway Mighty’s filtration system consists of a pre-filter, deodorization filter, vital ionizer, and a Green True HEPA filter. It also features an activated carbon filter that removes odors, smoke, and VOCs. This multi-level filter combination makes it an ideal air purifier for allergy and asthma sufferers. The Coway AP-1512HH Mighty is also incredibly energy efficient, using less than two watts of power when operating on its lowest setting. Additionally, it’s backed by a three-year warranty, making it a wise investment for anyone looking to improve their indoor air quality. Unfortunately, it doesn’t have any smart features, so it can’t be considered a great smart air purifier. Yet, for how effectively it will clean the air in your home, it’s definitely worth checking out. #2 Blueair Blue Pure 211 Large Room Air Purifier
Award: BEST ENERGY SAVING WHY WE LIKE IT: This large room air purifier uses a 3-stage filtration system and is ENERGY STAR rated for energy efficiency (30-61 watts), an excellent choice for people who want to save money on their electric bills. Pros
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This large room air purifier is very well rounded, starting with a three-stage filtration system with a 360° air intake, good enough to refresh the air in rooms up to 540 ft² five times an hour at the highest fan setting. HEPASilent™ filtration technology works very efficiently in cutting down almost 100% of airborne contaminants as small as 0.1 microns in size. We love how energy efficient this model is compared to other air purifier options in the air purifier market that might make an impact on your bills over time. On the design front, this large room air purifier is a looker, with five fabric pre-filter options to customize and blend with your home decor and combat air pollution. Maintenance is a cinch as well, simply requiring a quick vacuum or washing machine cycle on delicate All in all, this large room air purifier’s combination of coverage, 360° air intake, and five fabric pre-filter options make it one of the more fun options on the list. For smokers, we recommend the best air purifier for cigarette smoke with a minimum 3-stage filtration process. #3 Levoit Core 300 Large Room Air Purifier
Award: BEST FOR SLEEPING WHY WE LIKE IT: This best large area air purifier covers up to 219 square feet of space with three stages of filtration, an excellent choice as the main option for a bedroom or small office. For a medical-grade device that’s perfect for offices, you’ll want to check out our IQAir HealthPro Plus review. Pros
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This best large room air purifier for allergies comes with three filtration layers, including a pre-filter for large particles, a true HEPA filter for ultrafine particles (e.g. airborne pollutants), and an activated carbon filter for smoke, odors, and gases. One unique feature of this fine air purifier for basements is an air purifier and its option to use three replacement filters (labeled original for multi-purpose, pet allergy, and toxin absorber). This will serve you differently based on your situation and your choice of the best large air purifier or the best air purifier for large open space. With up to 219 square feet of coverage, this large room air purifier works best for smaller, confined areas for up to five air changes per hour. Big points go to QuietKEAP Technology, which helps it operate at only 24 decibels for uninterrupted sleep, helping this model compete with even the quietest air purifiers. Even its display LED lighting can be turned off for complete shut-eye. The best air purifier and humidifier also feature two adjustable night light settings for a peaceful sleep, along with a whisper-quiet 25dB decibel level on low speed. Consequently, some of the best air purifiers for a large room can be achingly loud, so make sure you check the decibels before you buy. #4 Coway Airmega 200M Large Room Air PurifierSale
Award: BEST FOR GARAGES WHY WE LIKE IT: This large room air purifier covers up to 361 square feet of space using a 4-stage filtration system, an excellent choice for foyers and garages. Pros
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This large room air purifier uses 4-stage filtration to do its work, consisting of a washable pre-filter, odor filter, true HEPA filter, and an ionizer that disperses millions of negative ions into the air to cling and neutralize airborne contaminants. It comes with the choice of three fan speeds to adjust air output based on cleanliness and size. Air purifiers with pre-filters have a higher chance of catching those dust particles and dust mites throughout their multiple internal filters in an intricate filtration system, further improving indoor air quality. On the digital front, this large room air purifier is loaded with features, led by an air quality indicator for real-time air quality updates, and LED light style. An auto mode also adjusts the fan speed automatically based on the amount of pollution and a timer allows for quick one, four, eight, and 122-hour shifts, great for people who are constant in and out. Lastly, a filter replacement indicator lets users know when it is time to replace it. A filter change indicator is also featured in the best plug-in air purifier. #5 Coway Airmega 400 Large Room Air Purifier
Award: HONORABLE MENTION WHY WE LIKE IT: This large room air purifier comes with a Max2 filter to kill 99.97% of airborne contaminants and works for room sizes up to 1,560 square feet, an excellent choice for an entire apartment. And, it can also work as the best air purifier for a large house. Pros
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The finest air purifiers for large rooms are well-rounded in most areas. Monstrous room coverage of up to 1,560 square feet for up to two complete air changes per hour. All made possible using a Max2 filter, which consists of a true HEPA and activated carbon filter to eliminate fine particles as small as 0.3 microns, as well as smoke, odors, and gases. We love the fact dual suction draws in air from opposite sides for more even distribution of airflow. That said, make sure there’s plenty of space around your best large space air purifier to ensure airflow remains continuous. Digitally, this Coway large room air purifier comes with a slew of settings, starting with five fan modes to operate at energy efficiency, along with a 1,2,4, and 8-hour time setting. Separate LED light indicators also indicate when it’s time to replace the Max2 filter. Bonus points go to a real-time air quality sensor for instant readings. And to enjoy the best air quality, take a pick from the best ionic air purifiers. Alternatively, sticking with the best air purifier large room guarantees clean air every time. #6 Medify Air Large Room Air Purifier
Award: BEST HOSPITAL-GRADE WHY WE LIKE IT: This large room air purifier comes with powerful HEPA – H13 Filters and covers an expansive 2,400 square foot area, an excellent choice for people who want the most effective fine particle filtration possible in small clinics and hospital rooms. Pros
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The key distinction between this medical-grade large room air purifier and others is its HEPA – H13 technology, which boasts a higher percentage of fine particle penetration (99.97%) than true HEPA filters, down to 0.1 microns. This formulation is more effective for asbestos, insecticides, and other ultra-fine particle contaminants. Combined with 360° air distribution and oversized air chambers, this distributes clean airflow well for the best air purifier for large spaces. On the digital side, this best large room air purifier excels, starting with a touchscreen panel for adjusting fan speeds and programmable timers. A Sleep Mode is also included to place fan speed at its lowest setting with dimmed lights, perfect for sleep. All in all, this large room air purifier’s combination of HEPA – H13 technology, oversized air chambers, 360° air distribution, and fan speeds make it a lock. And for your vehicle, you will need a True HEPA and activated carbon filtration unit which is found in the best car air purifier. #7 IQAir Healthpro Plus Large Room Air Purifier
Award: EASIEST TO MAINTAIN WHY WE LIKE IT: This large room air purifier uses HyperHEPA filtration technology to filter out 99.5% of airborne pollutants and splendid four-year Hyper HEPA filter life, an excellent choice for people who want to avoid maintenance at all costs. Pros
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This best large room air purifier for smoke hits up to 1,125 sq ft of the living area by using a powerful four-stage filtration system to do its work, starting with a pre max micro-particle filtration for larger particles (e.g. pollen mold spores), an activated carbon chamber for smoke/odors, and HyperHEPA filtration for ultrafine particles like viruses. It also uses a V5-Cell filter to tackle gas and odors even further. A modular tower design makes it very easy to snap on and replace filters in seconds with little to no maintenance required. But, keep in mind not all the best air purifiers for large rooms come in this easy-to-clean, modular design. Some will be much harder to clean. On the digital side, this large air room purifier is very easy to operate. Handheld remote controls, six fan speeds, and a filter life monitor make it easy to gauge the level of air quality in real-time and control it from a distance. It’s also very quiet, with acceptable decibel levels for undisturbed sleep. For something personal and portable, you may want to check out the best personal air purifier. #8 Blue Pure 121 Large Room Air PurifierSale
Award: BEST INTERFACE WHY WE LIKE IT: This large room air purifier offers 360° filtration and simple one-button controls, an excellent choice for minimalists who want the simplest interface possible. Pros
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This large room air purifier covers up to 620 ft² using a multi-stage filtration system, combining a fabric pre-filter for large particles, an electrostatic filtration module, and an activated carbon layer for odors and smoke. It is good enough to filter the age five times per hour. This is a top-rated air purifier for its easy interface, but we do think the lack of automatic modes is a bit of a let-down since this air purifier becomes more hands-on than others at cleaning common allergens and pollutants. However, it still gets the job done and is a visually attractive machine. One of our favorite features of this large room air purifier is its simplicity. It only uses a single button and multiple fabric pre-filter covers in fun colors such as pink, yellow, and blue that can be chosen to match your home decor. Noise levels are whisper quiet (32 decibels) and a built-in warning system also indicates when it is time to replace the filter. For a minimalist-focused large room air purifier, this is a solid choice. A similarly solid choice is any of the best air purifiers with washable filters. #9 Rabbit Air Minusa2 Ultra Quiet HEPA Large Room Air Purifier
Award: BEST FOR WALL-MOUNTING WHY WE LIKE IT: This large room air purifier covers rooms up to 815 square feet and includes a wall mounting function, an excellent choice for people who prefer to conserve tabletop or floor space. Pros
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Much like the top-rated air purifier for pets, this extra-large room air purifier works with a 4-stage filtration system (pre-filter, medium filter, HEPA filter, and carbon activated filter) that traps 99.9& of airborne particles as small as 0.3 microns. This covers mold, pollen, dust mites, pet hair, viruses, and other ultrafine particles. 350 square feet of coverage is good for four air changes an hour or two air changes per hour in a 700 square foot room. We love how easy it is to use this best large room air purifier for viruses. It can stand on its own or be wall-mounted. Several digital features also make it click, including Alexa compatibility for voice controls, a dedicated app for air quality monitoring, and scheduling, a Sleep Mode light sensor, and five fan speeds. A handheld remote control is even included with wireless support. And for the sake of your kids, the best air purifier for babies will work just fine. #10 Blueair Classic 605 Large Room Air PurifierSale
Award: BEST QUALITY WHY WE LIKE IT: This large room air purifier comes with HEPASilent technology to capture close to 100% of airborne contaminants and Wi-Fi connectivity for scheduling and monitoring, an excellent choice for people who want controls from afar. Pros
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This is a very well-rounded machine, covering up to 775 square feet of space with true HEPA filtering, and a 500 cubic foot clean air delivery rate for five air changes per hour, keeping your room fresh. It also comes with the dedicated Blueair app, which is Alexa compatible for voice commands. Like the Alen Breathesmart or the Molekule, we like the way this large room air purifier is laid out, with an intuitive control panel for fan speed adjustment, filter change indicator, and power functions. The Blueair app is even capable of night mode scheduling with auto shut off and noise at its lowest setting for undisturbed sleep. Compare this with the best whole-house air purifier with the WhisperMax technology, which allows it to run very quietly without losing efficiency. See Also: Be sure to take a look at some of the best iconic air purifiers too. How We DecidedIn determining the best large room air purifiers to buy, we explored efficiency, versatility, and digital controls. Versatility and digital controls are very important when deciding on the best large room air purifiers. Look for a minimum of auto mode for automatic fan speed adjustment, sleep mode for reduced noise levels (lowest setting), and real-time air quality status indicators. Some of our recommended picks even come with built-in wi-fi and dedicated smartphone apps to run schedules and monitor your indoor air quality – accessible from anywhere. Those are great features on a portable air purifier that you want to easily transport around your living space and also not have to get up and adjust the settings. Best Large Room Air Purifiers Buyer’s GuideThe Most Important Features to Consider
What's the best air purifier for a large room?Our picks for the best air purifier for large rooms are:. Levoit Core 400S.. Coway Airmega 400.. Blueair Blue Pure 211+. IQAir HealthPro.. RabbitAir MinusA2.. Honeywell HPA300.. Do air purifiers work in large rooms?Each air purifier is designed to clean the air in a room up to a certain size. Some purifiers may have the capacity to work in rooms of 500 square feet or more, while others are meant for rooms no larger than 150 square feet.
Is it better to have one large air purifier or multiple small ones?Air circulation: If your room has poor air circulation, or is a complex shape (such as an L shape or a long thin shape) then you may benefit from multiple smaller air purifiers to improve ventilation. Two air purifiers placed at different locations in your room may help improve air circulation.
Is there a downside to air purifiers?What are the downsides of air purifiers? There aren't a lot of downsides to having an air purifier in your home aside from the financial investment. Many ionizers, especially older models, can generate ozone when they are operating, which is known to exacerbate asthma.
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