#10 Best Air Purifiers for Large Rooms 2022

Discover the top pick of the best air purifiers for large rooms! Protect your loved ones by giving them the most premium air quality with the premium air purifier!

👤 Written by: L. W. R. Ulla
⏳ Updated on:
📋 List: 10 items
👀 Reader: 25 views

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From removing bad odors, protecting self from allergies and asthma, dusting, filtering toxins and bacteria and etc. Air purifier is the next indispensable item after the smartphone that everyone should have in every room. Especially after the pandemic hits, now we know how crucially important it is to inhale the best oxygen in every place we are breathing, even in a large room.

Choosing the best air purifiers for a large room isn’t easy. It’s though row to the hoe. You can’t merely guess from the size alone to know which one is the most suited device you need. From considering the coverage, the CADR, the filtering system, and even the after-cost-maintenance. Everything should be taken into account wisely. So here we are, unfolding the best air purifiers for large rooms completed with every guidance you need to check on your purchase. Which one will be the needed item in your place? Let’s check them out.

Frequently Asked Questions (FAQ)

Cant find the answer you’re looking for? Reach out to our Q&A community.

How to know the perfect coverage for an air purifier in my room?

The air changes per hour (ACH) can be a good indicator to find your best buy. On the specifications, the air purifier company always mentions this statistic for the customer. As an example of how filtration works in real life, a smaller air purifier in a 350-square-foot room could change the air eight times an hour, while a larger air purifier in a 700-square-foot room could only change the air four times an hour.

Also, a clean air delivery rate (CADR) number lets people know how well a device filters different particles in a certain-sized room. In general, the higher the number, the faster the device can get rid of dust and the bigger the room it can clean.

Is there any extra cost needed after buying an air purifier?

Yes. Because you’ll have to keep replacing the filters every so often. Some devices listed below cost quite high just to replace the filters every while here and then. The cost of replacing filters varies depending on the machine. Here are the list that will cost you to replace the filters based on each types.

  • HEPA filters: Depending on usage, HEPA filters last roughly a year.
  • Carbon filters: Activated carbon filters typically have a lifespan of 6 months.
  • Pre-filters: typically last three months, but certain filters are washable for long-term filtering.

 

What's the average price to own the best air purifiers for large rooms?

Air purifiers, for its valuable benefits, is cost at quite high. Especially for large room. The common price of this device is set around +$500 with decent features and best deal you can get. However, if you are lucky enough, you also can get price less than that.

For the more expensive items, the budget needs cost around at $800. Meanwhile for the most affordable item tags at $300. Each product has its own pro and cons that you can consider on the list we have prepared below.

What are things to consider before buying the best air purifiers for large rooms?

Here are some quick tips for you to get the best air purifier that you need especially for large rooms.

  1. Look for an air purifier that is effective at removing contaminants that are particular to your home or medical requirements (removing pet dander or cigarette smoke, for example).
  2. A comparison of CADR ratings will demonstrate how quickly an air purifier can filter air.
  3. The best indoor air purifiers use a HEPA filter, so go with one of those.
  4. Check the product specifications for noise levels (stated in decibels). You might want to choose a quieter machine depending on where you want to use your air purifier.
  5. Calculate the air purifier’s recurring electricity and maintenance costs so you have extra money set aside.
*Disclaimer. We can not guarantee that the information on this page is 100% correct. Read more
Name Rank Check Prices
MA-112 Air Purifier Medify Air
Medify Air
MA-112 Air Purifier
#1 Amazon Medifyair.com eBay
Classic 680i Air Purifier Blueair
Blueair
Classic 680i Air Purifier
#2 Amazon Amazon.com eBay
HealthPro Plus Air Purifier IQAir
IQAir
HealthPro Plus Air Purifier
#3 Amazon Iqair.com eBay
HPA300 HEPA Air Purifier Honeywell
Honeywell
HPA300 HEPA Air Purifier
#4 Amazon Honeywellstore.com eBay
Blue Pure 211+ Air Purifier Blueair
Blueair
Blue Pure 211+ Air Purifier
#5 Amazon Walmart.com eBay
Classic 605 Air Purifier Blueair
Blueair
Classic 605 Air Purifier
#6 Amazon Sylvane.com eBay
GC MultiGas Air Purifier IQAir
IQAir
GC MultiGas Air Purifier
#7 Amazon Walmart.com eBay
Airmega 400S Air Purifier Coway
Coway
Airmega 400S Air Purifier
#8 Amazon Walmart.com eBay
FPA80UW Extra Large Room Air Purifier Sharp
Sharp
FPA80UW Extra Large Room Air Purifier
#9 Amazon Shop.sharpusa.com eBay
MinusA2 Ultra Quiet Air Purifier RabbitAir
RabbitAir
MinusA2 Ultra Quiet Air Purifier
#10 Amazon Rabbitair.com eBay

10 List of Best Air Purifiers for Large Rooms

  • Medify Air MA-112 Air Purifier
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    with this product?
    #1

    Medify Air MA-112 Air Purifier

    Enormous 2,500 sq ft coverage at 2 ACH

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    3-stage filtering system (with 500 CADR rating)
    Uses H13 medical-grade HEPA filters
    An affordable large air purifier

    Cons (reasons to avoid)

    The size causes above-average noise (still under 70 dB).
    95W because it needs that much power; $0.30/24h at 100% output.

    What other experts liked

    Medify MA-112 has an excellent purification performance and with the large area of coverage, you can expect clean air for the whole home.
    Modern Castle

    What other experts didn't like

    For its excellent performance, this devices really is sucking high power consumption
    Breathe Quality
  • Blueair Classic 680i Air Purifier
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    with this product?
    #2

    Blueair Classic 680i Air Purifier

    650 CFM and high 450 CADR rating

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    HEPASilent + DualProtection filter
    Blueair friend app + air quality monitor available
    Wi-Fi supported

    Cons (reasons to avoid)

    Creates a max. noise level at 62 dB
    Unfashionable design

    What other experts liked

    This device really does have the most advanced technology, especially for the minimum noise level and maximizing the air flow.
    Breathe Quality

    What other experts didn't like

    For a great product, this device comes at a premium price.
    PC Quest
  • IQAir HealthPro Plus Air Purifier
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    with this product?
    #3

    IQAir HealthPro Plus Air Purifier

    2813 sq ft (2 ACH) and 1125 sq. ft. (5 ACH)

    1  readers vote
    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    HyperHEPA collects 100x smaller allergens
    Medical-grade filtration is ideal for allergy sufferers
    Superior technology; Triple-Seal, EVenFlow Diffuser, etc.

    Cons (reasons to avoid)

    Average 300 CADR and max airflow
    Loud noise at high fan speed (67 dB)

    What other experts liked

    This air cleaner has simple controls that take the guesswork out of using it.
    Gadget Review

    What other experts didn't like

    Meanwhile set at a premium price, the item doesn’t include radon detection
    Forbes
  • Honeywell HPA300 HEPA Air Purifier
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    with this product?
    #4

    Honeywell HPA300 HEPA Air Purifier

    1163 sq ft (2 ACH) & 465 sq. ft. (5 ACH)

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    True HEPA filters
    320 CADR rating
    Budget-friendly for a large room air purifier

    Cons (reasons to avoid)

    Traditional air purifier

    What other experts liked

    The Honeywell HPA300 HEPA Air Purifier is reasonably priced for how much space it cleans, runs quietly, and requires minimal maintenance.
    Insider

    What other experts didn't like

    With the allergen setting on, it was hard to have a conversation, and it was even impossible with the turbo setting.
    The Spruce
  • Blueair Blue Pure 211+ Air Purifier
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    with this product?
    #5

    Blueair Blue Pure 211+ Air Purifier

    700 sq ft + 3 fan speeds for large rooms

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    3-part filtration system captures 99% pollutant
    Two washable pre-filters
    Quiet noise

    Cons (reasons to avoid)

    Traditional features of air purifier

    What other experts liked

    The Blue Pure 211+ air purifier is a reliable workhorse and it only needs low energy consumption.
    Live Science

    What other experts didn't like

    I wish I could see the better performance for it still has some lacking. like auto mode or app connectivity.
    Modern Castle
  • Blueair Classic 605 Air Purifier
    Have a problem
    with this product?
    #6

    Blueair Classic 605 Air Purifier

    ParticleStop filter + HEPASilent Technology

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    Blueair friend app + WiFi supported
    HEPASilent technology
    CADR 500

    Cons (reasons to avoid)

    Rather pricey
    No smart-sensor technology

    What other experts liked

    The Blueair Classic 605 has HEPAsilent filtration, WiFi, and can be used for rooms up to 800 square feet. With a steel body, it will last a long time.
    Gadget Review

    What other experts didn't like

    Once you switch to the highest setting, however, the power usage will go up to 100 watts.
    Breathe Quality
  • IQAir GC MultiGas Air Purifier
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    with this product?
    #7

    IQAir GC MultiGas Air Purifier

    1125 sq ft (5 ACH) + True HEPA filter

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    High-quality build materials
    HyperHEPA filter
    Excellent fan power

    Cons (reasons to avoid)

    Less basic features

    What other experts liked

    We highly recommend this purifier for any large that needs an air cleaner for medical-grade control of allergens, dust, pollen, gases, and VOCs.
    Gadget Review

    What other experts didn't like

    Despite the modern features, it doesn't provide a Smart Sensor which is necessary for modern air purifier devices.
    Breathe Quality
  • Coway Airmega 400S Air Purifier
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    with this product?
    #8

    Coway Airmega 400S Air Purifier

    1,560 sq ft (4 ACH) + Eco Mode

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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).

    Pros (reasons to buy)

    Green True HEPA & Max2 filter
    Eco mode that automatically adjusts the fan speed
    Stylish design and colors

    Cons (reasons to avoid)

    Low CADR for large rooms
    Rather expensive

    What other experts liked

    The Coway Airmega 400 is easy to use and simple to run. It costs just under $500, which is a reasonable price.
    Air Purifiers

    What other experts didn't like

    Sadly, the replacement filters for this device are quite a kill-price.
    Insider
  • Sharp FPA80UW Extra Large Room Air Purifier
    Have a problem
    with this product?
    #9

    Sharp FPA80UW Extra Large Room Air Purifier

    2,198 sq ft (1 ACH) + Quite noise

    1  experts agree 1  experts disagree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    Awarded as the 'World’s Leading Air Purifier Brand'
    True HEPA Filter + Activated Carbon Deodorizing Filter
    The quietest noise sound at 23db

    Cons (reasons to avoid)

    Air quality history is not shown
    High power consumption at full speed usage

    What other experts liked

    The FXJ80UW is a quiet large-room air purifier. In max setting, it's silent than a refrigerator.

    What other experts didn't like

    When running at full speed, the Sharp FP-A80UW uses up to 94 watts of power. Which is really really high.
    Breathe Quality
  • RabbitAir MinusA2 Ultra Quiet Air Purifier
    Have a problem
    with this product?
    #10

    RabbitAir MinusA2 Ultra Quiet Air Purifier

    All rounder air purifier with best value

    2  experts agree
    WHY WE LIKE IT:

    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.

    Pros (reasons to buy)

    Best of the best True HEPA filter
    The quietest device among all its rival
    Longer time to replace the filter
    Six filtration system technology

    Cons (reasons to avoid)

    Expensive

    What other experts liked

    The Rabbit Air MinusA2 is our top pick for the best air cleaner because of how it looks and how well it works.
    Breathe Quality
    As a relatively expensive purifier Rabbit Air Minusa2 does offer top-notch products, services, and quality for its customer.
    Gadget Review

Conclusion: Best Air Purifiers for Large Rooms

Now you have read about the best air purifiers for large rooms, its specs, the pro, and cons, as well as the expert’s review. The best air purifier is the one that helps to clean the air quality in your room without excess cost and energy consumption. Also, the noise level is one of the major considerations you cannot ignore. Surely, you don’t want to buy a machine that stops your whole family from warm conversation every day? Right. Now, good luck on carting out the item. May the best air purifier be ever in your favor.

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