Top 10 Best Air Purifier For 400 Sq Ft Reviews And Buying Guide

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Our team studied on 59197 reviews available online for Air Purifier For 400 Sq Ft, chose the finest ones and prepared Air Purifier For 400 Sq Ft Reviews for you. It was very difficult to shortlist the ideal Air Purifier For 400 Sq Ft from thousands of products online. However, We tried to make sure that you get only the Best Air Purifier For 400 Sq Ft from our suggestions. Check our listings-:

Best Air Purifier For 400 Sq Ft

Air Purifier For 400 Sq Ft Reviews

59197 number of user reviews were available online, which we scanned to find the air purifier for 400 sq ft. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

Comparison Chart Of Top 10 air purifier for 400 sq ft

NoProductScoreAction
1SilverOnyx Air Purifier for Home9.8Check Price On Amazon
2Medify MA-18 Air Purifier with H13 HEPA filter - a higher grade of HEPA for 400 Sq. Ft. (99.9%) - Perfect for Office9Check Price On Amazon
3LEVOIT Air Purifier for Home Large Room with H13 True HEPA Filter for Allergies9Check Price On Amazon
4LEVOIT Air Purifier for Home Large Room9Check Price On Amazon
5Coway Airmega 400 Smart Air Purifier with 18.8Check Price On Amazon
6Carrier Air Purifier for Home Allergies and Rooms up to 400 Sq Ft8.8Check Price On Amazon
7Coway Airmega 400 in Graphite/Silver Smart Air Purifier with 18.6Check Price On Amazon
8COLZER EPI-186 Air Purifier for Home Large Room with True HEPA Filter & Activated Carbon Filter to Remove Dust8.6Check Price On Amazon
9SilverOnyx Air Purifier for Home8.4Check Price On Amazon
10Instant Air Purifier, Helps remove 99.9% of viruses (COVID-19)8.2Check Price On Amazon

1. SilverOnyx Air Purifier for Home

  • Air Purifiers for Home: True Hepa charcoal filter captures 99.
  • 5 Stages of Air Cleaning: Advanced purification for the cleanest air quality; A combination filter cartridge with mesh pre-filter and Hepa H13 activated carbon filter, plus a UV light and Ion generator to freshen air even further.
  • True Hepa Filtration: High quality air purifier with a True Hepa H13 filter that captures 99.
  • Clean Air Ionizer: The SilverOnyx Hepa air purifier with ionizer, UV light, and activated carbon filter; The most sophisticated air purification technologies for the freshest air.
  • Air Purifiers for Home Large Room: True HEPA aire airpurifier allergen allergies allergy baby bathroom bedroom best carbon casa cigarette clean cleaner cleaners cleaning dander dust remover liminator fan feet filter filters filtration fresh fresheners house ionizer uv light living lv machine odor odors office para pet pets portable pure purifer purificador purifier purifyer removal replacement silver onyx silveronyx small smoke smokers sq ft square top.

2. Medify MA-18 Air Purifier with H13 HEPA filter – a higher grade of HEPA for 400 Sq. Ft. (99.9%) - Perfect for Office

  • Compact, Portable, Modern Design with H13 filter- Higher Grade of HEPA Filtration
  • CADR 150 | Cleans the air in a room up to 800 square feet every hour | Covers 400 sq.
  • Pre-filter for large particles | Activated Carbon filter for odors | H13 Medical Grade True HEPA for 99.
  • Easy To Use Operational Touch Panel on top of the unit, 110 Volt units, USA registered Lifetime Warranty.
  • Lifetime Warranty | 3 Fan Speeds | On/Off Ion control | Filter Replacement Indicator | Replacement Filter ASIN B07W943P67.

3. LEVOIT Air Purifier for Home Large Room with H13 True HEPA Filter for Allergies

  • Ozone Free: Use your purifier with peace of mind.
  • Ideal for Allergies and Pet Owners: The preliminary filter traps pet fur, hair, and lint.
  • Effective for Large Rooms: The LV-H134 purifies air in 1170 ft² rooms in 30 minutes and 710 ft² rooms in only 18 minutes, making it perfect for living rooms, bedrooms, offices, kitchens, or even the whole house.
  • Powerful Design: Enjoy the fresh air on all sides with help from the air purifier’s tower structure and 360° air circulation for quick, efficient filtration.
  • Undisturbed Rest: Sleep soundly by turning off the display light, setting a timer for up to 12 hours, and selecting Sleep Mode for noise levels as low as 23dB.
  • Real-Time Updates: The air purifier’s Auto Mode uses a Laser Dust Sensor to measure the surrounding air and automatically adjust the fan speed, giving you real-time updates on the Air Quality Indicator.
  • Sleek & Stylish: The minimalist tower design and streamlined, intuitive controls make the air purifier a seamless, elegant addition to any space.
  • Note: Genuine Levoit replacement filter for LV-H134 is back in stock.

4. LEVOIT Air Purifier for Home Large Room

  • 100% Ozone-Free: The Vital 100 is completely ozone free and never uses UV-C light, which the research has shown can produce harmful ozone and secondary pollution.
  • Powerful Performance: With a CADR of 130 CFM / 221 m3/h, the Vital 100 is perfect for living rooms, bedrooms, and kitchens.
  • 3-Stage Filtration: Comes equipped with a washable pre-filter for large particles like lint and fur, a High-Efficiency Activated Carbon Filter for toxic fumes and unpleasant odors, and an H13 True HEPA Filter, which captures at least 99.
  • Sleep Comfortably: With noise levels as low as 23 decibels, the Vital 100 won’t keep you up at night.
  • User-Friendly: Set a timer for 2, 4, or 8 hours whenever you like.
  • Energy Efficient: It only costs $1.
  • Easy to Place: The compact design and top-facing air vents let you place the Vital 100 near walls or in the corner of a room.
  • Filter Replacements: Depending on usage, the filters should be replaced every 6–8 months.

5. Coway Airmega 400 Smart Air Purifier with 1

  • Coway Airmega 400 room air purifier is designed to accommodate large room sizes up to 1,560 square feet and cleans the air at least two times per hour when used as recommended.
  • Coway Airmega Max2 filter-a combined activated carbon and a True HEPA filter-captures and reduces up to 99.
  • Coway Airmega’s pollution sensor communicates indoor air quality testing in real-time.
  • Coway Airmega has five fan modes: Smart, Sleep, Low, Medium and High.
  • Coway Airmega is a smart, energy efficient air purifier with a three-setting smart mode to adapt to its surroundings.
  • Coway Airmega has a timer with 1, 2, 4 and 8 hour settings, plus indicators for filter lifetime for both the washable pre-filter and Max2 filter.
  • Coway Airmega 400 is Energy Star certified and consumes 64 watts.
  • Limited manufacture’s warranty covers any internal malfunctions for 1 year and motor and electronic parts for 5 years.

6. Carrier Air Purifier for Home Allergies and Rooms up to 400 Sq Ft

  • ADVANCED HIGH-EFFICIENCY FILTER: Captures over 99% of airborne particles 0.3 microns.
  • CAPTURES ALLERGENS: Filters pollen, dust, pet dander, smoke and helps reduce odors.
  • IDEAL FOR BEDROOMS & MORE: Have confidence you’re breathing cleaner air in bedrooms, family rooms, playrooms, or any other rooms up to 400 square feet needing cleaner air.
  • POWERFUL & QUIET FAN: Features 360-degree airflow that quietly pulls in polluted air from multiple directions and disperses cleaner air throughout the room.
  • BUILT-IN AIR QUALITY MONITOR: Easy to read air quality monitor continuously measures pollutant levels.
  • SMART AUTO MODE: Automatically adjusts between 18 fan speeds based on the air quality level detected in the room, optimizing delivery of cleaner, healthier indoor air.
  • INDEPENDENTLY TESTED: Certified by the Association of Home Appliance Manufactures (AHAM) for Clean Air Delivery Rates (CADR): Tobacco Smoke: 267, Dust: 278, Pollen 329.
  • ENERGY STAR CERTIFIED: 40% more energy-efficient than non-certified standard models.**
  • PORTABLE: Includes caster wheels that allow you to easily relocate the air purifier to a different living space in your home.

7. Coway Airmega 400 in Graphite/Silver Smart Air Purifier with 1

  • Coway Airmega 400 Graphite/Silver is designed to accommodate room sizes up to 1,560 square feet and it cleans the air two times in one hour.
  • Airmega Max2 filter – combined activated carbon and True HEPA filter – captures and reduces up to 99.
  • Coway Airmega’s pollution sensor communicates indoor air quality in real-time.
  • Airmega has five fan modes: Smart, Sleep, Low, Medium and High.
  • Smart mode with three settings, Coway Airmega smart air purifier adapts to its surroundings.
  • Airmega has a timer for 1, 2, 4 and 8 hours and filter life time indicator for both washable pre-filter and Max2 filter.
  • Coway Airmega 400 Graphite/Silver is energy star certified and consumes 64 watts.
  • Limited manufacture’s warranty covers any internal malfunctions for 1 year and motor and electronic parts for 5 years.

8. COLZER EPI-186 Air Purifier for Home Large Room with True HEPA Filter & Activated Carbon Filter to Remove Dust

  • High-Efficiency Filtration】HEPA Air purifier with CADR rated at 220 m³/h (130 CFM) for a home large room, which is powerful enough to refresh the air in 10 minutes up to 300 sq ft rooms, in 30 minutes up to 900 sq ft, in 60 minutes up to 1800 sq ft.
  • 3-Stage Filter in Air Purifier】 Air Purifier with the Pre-filter, HEPA efficient filter, and Activated carbon filter to Purify.
  • Auto Mode】In Auto (A) mode, this HEPA filter air purifier will automatically adjust the fan speed according to the air quality it detects.
  • Ultra-quiet Sleep Mode Air purifier】Get a great night’s rest while this bedroom, air purifier operates with noise levels low to 23 dB in Sleep (S) Mode, allowing you to enjoy a quiet and soothing indoor environment help you fall asleep.
  • Reliable Quality】Apart from the quality test while manufacturing, this portable room air purifier is FCC certificated, CARB and ETL listed, and comes with a 2-year free warranty.

9. SilverOnyx Air Purifier for Home

  • Air Purifiers for Home Large Room: True Hepa H13 charcoal filter captures 99.
  • 5 Stages of Air Cleaning: Advanced purification for the cleanest air quality; A combination filter cartridge with mesh pre-filter and Hepa H13 activated carbon filter, plus a UV light and Ion generator to freshen air even further.
  • True Hepa Filtration: High quality air purifier with a True Hepa H13 filter that captures 99.
  • Clean Air Ionizer: The SilverOnyx Hepa air purifier with ionizer, UV light, and activated carbon filter; The most sophisticated air purification technologies for the freshest air; A 2.
  • Air Purifiers for Home Large Room: True HEPA aire airpurifier allergen allergies allergy baby bathroom bedroom best carbon casa cigarette clean cleaner cleaners cleaning dander dust remover liminator fan feet filter filters filtration fresh fresheners house ionizer uv light living lv machine odor odors office para pet pets portable pure purifer purificador purifier purifyer removal replacement silver onyx silveronyx small smoke smokers sq ft square top.

10. Instant Air Purifier

  • WORKS TO REMOVE VIRUSES (COVID-19): Our air purifiers have been proven to remove 99.
  • REMOVES ALLERGENS AND SMOKE: Advanced 3-in-1filtration captures99.
  • ADVANCED AIR CLEANING TECHNOLOGY: 3-in-1 filtration (HEPA-13, Activated Carbon, Antimicrobial coating) plus plasma ion technology work together so you can breathe easier.
  • 24/7 AIR QUALITY MONITORING: Our intelligent sensor monitors air quality 24/7 and adjusts fan speed in Auto Mode to make the air in your home cleaner.
  • A BRAND YOU TRUST: From the makers of Instant Pot, the brand that revolutionized the way you cook, is now transforming the way you live.
  • PREVENTS BACTERIAL GROWTH: Our 3-in-1 filtration contains an added antimicrobial coating protecting the filter.
  • CLEANER AIR IN MINUTES: Independently verified by AHAM (Association of Home Appliance Manufacturers) to filterthe air in an area of 126 sqft5x per hour4or up to 615 sqft1x per hour.
  • WHISPER-QUIET NIGHT MODE: Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed (5 see below).
  • REDUCES ODORS: Activated carbon filter layer helps reduce unpleasant smells.
  • EXTENDED FILTER LIFE: 3-in-1 filter lasts at least 8 months when in ecomode 24/7; usage-based indicator lets you know when it’s time to replace.

Air Purifier For 400 Sq Ft Buying Guide


Does the thought of finding a great Air Purifier For 400 Sq Ft stress you out? Has your mind been juggling between choices when it comes to buying Air Purifier For 400 Sq Ft in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Air Purifier For 400 Sq Ft for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Air Purifier For 400 Sq Ft Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Air Purifier For 400 Sq Ft in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Air Purifier For 400 Sq Ft currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Air Purifier For 400 Sq Ft brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Air Purifier For 400 Sq Ft based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Air Purifier For 400 Sq Ft before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Air Purifier For 400 Sq Ft they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Air Purifier For 400 Sq Ft, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Air Purifier For 400 Sq Ft before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Air Purifier For 400 Sq Ft will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Air Purifier For 400 Sq Ft if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Air Purifier For 400 Sq Ft on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Air Purifier For 400 Sq Ft on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Air Purifier For 400 Sq Ft featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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