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10 Best Room Size Hepa Air Purifier & Buying Guide

A hepa air purifier is a device that removes contaminants from the air in a room. The best room size hepa air purifier is one that is appropriate for the size of the room.

Which Are The Best Room Size Hepa Air Purifier From Our Choice

If you don’t have enough time, check out this shortlist of the best room size hepa air purifier and choose the one you like the most.

10 Best Room Size Hepa Air Purifier People Love In 2022: In Depth Features

Bestseller No. 1
Germ Guardian AC4825 22” 3-in-1 True HEPA Filter Air Purifier for Home, Full Room, UV-C Light Kills Germs, Filters Allergies, Smoke, Dust, Pet Dander, Odors, 3-Yr Wty, GermGuardian, Grey
  • 3-IN-1 AIR PURIFIER FOR HOME - True HEPA air filter reduces up to 99.97% of harmful germs, dust, pollen, pet dander, mold spores, and other allergens as small as .3 microns from the air
  • KILLS GERMS - UV-C light helps kill airborne viruses such as influenza, staph, rhinovirus, and works with Titanium Dioxide to reduce volatile organic compounds
  • TRAPS ALLERGENS - Pre-filter traps dust, pet hair, and other large particles while extending the life of the HEPA filter
  • REDUCES ODORS - Activated charcoal filter helps to reduce unwanted odors from pets, smoke, cooking fumes, and more
  • QUIET OPERATION - The lowest setting can be used as gentle white noise at night for a quiet, restful sleep
Bestseller No. 2
LEVOIT Air Purifiers for Home Large Room, H13 True HEPA Filter Cleaner with Washable Filter for Allergies, Smoke, Dust, Pollen, Quiet Odor Eliminators for Bedroom, Pet Hair Remover, Vital 100, White
  • 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. Covers 300 ft²/ 28 m² in only 18 minutes. (Only products over 6 pounds can be equipped with such powerful motors that optimize the air cleaning performance)
  • 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 99.97% of airborne particles 0.3 microns in size.
  • SLEEP COMFORTABLY: With noise levels as low as 23 decibels, the Vital 100 won’t keep you up at night. You can also turn off the display lights when it’s time for bed.
  • USER-FRIENDLY: Set a timer for 2, 4, or 8 hours whenever you like. The Check Filter Indicator will let you know when it’s time for a fresh filter.
Bestseller No. 3
LEVOIT Air Purifier for Home Large Room with H13 True HEPA Filter for Allergies, Cleaner for Smoke Mold, Pollen, Dust, Quiet Odor Eliminators for Bedroom, Smart Sensor, Auto Mode, White
  • OZONE FREE: Use your purifier with peace of mind. This Levoit air purifier is 100% ozone free and does not use UV-C light or anion purification methods that can cause harm to the user
  • PROFESSIONAL AIR CARE: The H13 True HEPA Filter works alongside the Pre-Filter and Activated Carbon Filter to target dust, pollen, pet dander, VOC's, tobacco smoke, household odors from pets, cooking, and other allergies. Better than H11 HEPA, H13 HEPA filters 99.97% of airborne particles 0.3 microns in size
  • EXTRA-LARGE CLEANING AREA: The LV-H134 purifies air in 2340 ft² rooms in one hour, and 1170 ft² rooms in 30 minutes (CADR 530), making it perfect for living rooms, bedrooms, apartments, offices, kitchens, basements and playrooms. The wheeled design helps to bring fresh air to every room of your home
  • 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
Bestseller No. 4
LEVOIT Air Purifiers for Bedroom Home, HEPA Filter Small Room Cleaner with Fragrance Sponge for Better Sleep, Filters Smoke, Allergies, Pet Dander, Odor, Dust, Office, Desktop, Core Mini, White
  • REFRESH & RELAX: If you struggle with allergies, low-quality sleep, congestion, or symptoms caused by pet dander, the Levoit Core Mini Air Purifier is ready to help you create a healthy space
  • MATTER OF MINUTES: Breathe freely and sleep better as the air purifier uses 360° VortexAir Technology 3.0 and 3-stage filtration to ensure top-notch air purification
  • QUIET OPERATION: Sleep soundly without loud rattling coming from your air purifier. This little air purifier keeps noise levels as low as 25dB while keeping your space fresh
  • AROMATHERAPY: Struggling with pet odors or musty smells? Add a few drops of fragrant essential oils to the aroma pad to keep your space smelling great
  • SAVE SPACE: Tired of dragging a bulky purifier back and forth? Light, travel-friendly, and compact, the Levoit Core Mini Air Purifier (6.5 × 6.5 × 10.4 in) easily fits in any bedroom, office, or living room, creating less clutter and more fresh air
SaleBestseller No. 5
LEVOIT Air Purifiers for Home Large Room, Smart WiFi Alexa Control, H13 True HEPA Filter for Allergies, Pets, Somke, Dust, Pollen, Ozone Free, 24dB Quiet Cleaner for Bedroom, Core 200S, White
  • OZONE FREE: Our most popular air purifier series is back with an all-new smart model. Levoit air purifiers avoid using UV-C light, which is especially harmful for Asthma sufferers and pets
  • GENUINE REPLACEMENT FILTERS: For the best performance and longest lifespan, use genuine Levoit replacement filters. Use the in-app feature to monitor your filter life. When it’s time for a fresh filter, search “Core 200S-RF”
  • EFFECTIVE PURIFICATION: The compact frame and 360° design help the Core 200S purify the air wherever you put it, refreshing the air 5x per hour in rooms as large as 183 ft² / 17 m². The optimal air cleaning performance can only be delivered by powerful motors installed on products over 6 pounds
  • IMPROVED FILTRATION: While the ultra-fine Nylon Pre-Filter and High-Efficiency Activated Carbon Filter capture large particles and absorb odors and fumes, the H13 True HEPA Filter captures 99.97% of airborne contaminants 0.3 microns in size, ridding your environment of dust, pollen, pet dander, mold spores, and more
  • QUIET OPERATION: With noise levels as low as 24dB, the Core 200S cleans your air without keeping you up at night. For a completely uninterrupted sleep, turn off all lights with the Display Off button
SaleBestseller No. 6
VEVA Air Purifier Large Room - ProHEPA 9000 Premium Air Purifiers for Allergies, Smoke, Dust, Pet Dander & Odor with H13 Washable Filters - White
  • Our high-quality, medical-grade air purifier for home use captures tiny unwanted particles traveling through your home.
  • Built with advanced 4-in-1 technology, our HEPA filter air purifier features a washable pre-filter, small dust & premium activated carbon filter, and a HEPA air filter.
  • Ideal for households with pets, smokers, or lots of cooking, our air purifiers for home (large room or small room) keep your living space odor-free.
  • Our HEPA air purifier does not produce trace amounts of ozone, making it a safe choice for your family. Complete with a front panel and pre-filter panel, our air purifiers for bedroom use are great for homes with a baby, cat, or dog.
  • Sleek and stylish, our decor-friendly air purifier with washable filter is a must-have for your home or office. Note: Replace filters every 2-6 months for optimal results.
Bestseller No. 7
AIRTOK Hepa Air Purifiers for Home Large Room and Bedroom up to 1100 ft² H13 True Filter 100% Ozone Free Air Cleaner for Smokers, Pet and Allergies Remove 99.99%Allergens, Dust, Odor, Smoke, Pollen (Available for California)
  • Replacement Filters: Genuine Airtok replacement filters for the AP1002 are in stock. Search for "B0991FR77M" on Amazon to purchase. (We have upgraded the structure and content of activated carbon, and the purification performance has been comprehensively improved!)
  • Rapid Purification: AIRTOK Air Purifier perfect for living rooms, bedrooms, offices, nurseries, and kitchens. It covers 1100 ft² / 102 m² 1.2 times per hour, 492 ft² / 45.7 m² 2.5 times per hour, and 238 ft² / 22.1 m² 5 times per hour.
  • EASY OPERATION: That it worked right out of the box, no assembly required. Touch control panel with Timer 1,2,4,8 hours on or off, 3 fan speeds, sleep mode, filter replacement indicator, and child lock, great ideal for both kids and pets.
  • Voice of the Customer: Turning on sleep mode at night low noise level (almost non existent). As a light sleeper don’t hear it at all at night. The more crisp air makes me no longer stuffy and much less scratchy, coughing or tearing at next day morning.
  • Reliable air purifier: CARB Certified, FCC Certified, and ETL Listed. HEPA air filter had a plastic bag around it, and that needed to be taken off first, before even using the air purifier. The instructions are very good and explain everything. 24/7 Live Chat Support: Feel free to contact us with any questions, and we will help you right away.
Bestseller No. 8
Air Purifier for Home Large Room, H13 True HEPA Filter Air Cleaner for Dust, Allergies, Odors, Pets, Smoke, C380 Air Purifiers for Bedroom with Auto Mode, Sleep Mode, PM2.5 Display by Storebary
  • 【Efficient Filtration System】Storebary air purifier contains a three-stage efficient purification system. It comprises a pre-filter, H13 true HEPA filter and activated carbon filter that captures and reduces up to 99.97% of particles 0.3 microns in the air, include dust, pollen, pet dander, cooking and smoke odors in a certain space.
  • 【Effective Range】The Storebary C380 air cleaner is designed to accommodate rooms up to 279 sq. ft. (CADR:300 m³/h). Rooms up to 5 times an hour. You can enjoy every breath in your home. Suitable for home (living room, bedroom, kitchen) and office. AC 120V/60HZ for USA(Available for California).
  • 【Smart Auto Mode】Our auto mode will automatically adjust the fan to filter the air between 1, 2, 3 according to the surrounding air quality. At the same time, the value of PM2.5 AQI and the led indicator on the panel changes color according to the air quality in real time (Blue--Very good, Green--Good, Orange--Moderate, Red-- Bad).
  • 【Multifunctional Air Purifier】In sleep mode, noise is merely 22.5dB at the lowest mode which will not affect your work, study and sleep time. You can set a timer from 1-8 hours, no longer worry about forgetting to turn off the air cleaner. Long press the display lock button for 3 seconds to set the child lock mode for your air purifier, can prevent pets and children from accidentally touching.
  • 【Smart Filter Replacement】The convenient and quick intelligent filter reset button allows you to no longer blindly replace the filter. Search for B08TWG528K on Amazon to find the right replacement filter to maintain the performance of your air purifier. (Note: Please remove plastic packaging of new filter before running the air purifier.)
SaleBestseller No. 9
AROEVE Air Purifiers for Large Room Up to 1095 Sq Ft Coverage with Air Quality Sensors CADR up to 300+ H13 Ture HEPA Filter with Auto Function Ultra-Quiet Sleep Mode Air Cleaner Remove 99.97% of Dust, Pet Dander, Smoke, Pollen for Home, Bedroom and Office
  • Efficient H13 Purification: Equip with H13 True HEPA Filter and high-efficiency filter system, our air purifier CADR up to 300+ (m³/h) and it can easily filter particles as small as 0.3 microns in the air, such as dust, smoke, pollen, hair, and odor. Turn on the high-efficiency air purifier, it can refresh air per hour for a room as large as 1095 sq ft / 100 m², and you can enjoy a new comfortable air environment every moment of the day.
  • Second Treatment Air: H13 filtration only captures 99.97% of 0.3 microns, 0.03% of 0.3 microns particles and substances smaller than 0.3 microns are still emitted into the air. Our original UV treatment technology can purify the air twice. Compared to other air purifiers, we do a more thorough purification of the air while keeping you healthy. (Tips: UV function is off by default, turn it on to enjoy a healthier life.)
  • Feel The Air Change: Are you still worrying about not knowing the surrounding air quality? Our air purifier with a built-in dust sensor will be a good choice. When the air purifier is in auto mode, the air quality indicator will turn yellow or red if the surrounding air becomes cloudy, the fan will speed up to clean the air faster. Grasp the current air condition and "touch" the healthy.
  • Your Silent Companion: Choose the sleep mode, enjoy a quiet night, and even forget the existence of the air purifier. The fan of our air purifier runs with low noise and low speed, and all the indicators will turn off. It will not disturb your sweet sleep, and even a light sleep baby can enjoy the comfortable air in the quiet night.
  • Convenient Filter Replacements: Unlike other air purifiers, this air purifier is very easy to replace the filter element. Grab the rope on the side, open the filter cover, and easily take out or replace the filter inside. We recommend that you replace the air filter every 3-5 months to ensure the purification effect. (Tips: 1. Make sure to insert the filter in the correct position. 2. Remove its plastic package before use.)
SaleBestseller No. 10
HEPA Air Purifiers for Bedroom, OSIMO Portable Air Purifier with H13 True HEPA Air Filter for Home Office, USB Quiet Desktop Small Air Cleaner, 3 Modes for Removing Dust Pet Dander Smoke Odor
  • 【Advanced 3 Stages Filtration】: This air purifier has a 3-stage filtration system, including a pre-filter, true HEPA filter and activated carbon filter, which can remove 99.9% of air pollutants, like dust, pet dander, smoke, house odor, and particles as small as 0.3 microns and help you enjoy the fresh air at home. Unlike the negative ion purifiers, this HEPA air purifier is 100% no ozone with CE, FCC, and ROHS certification to ensure your safe use.
  • 【3 Fan Speeds and High-Performance】: The air purifiers have 3 modes to adjust the fan speed, including sleep mode, normal mode, and strong purification mode. You can choose different modes and fan speeds according to the actual air quality and space size. The 360° strong purification mode makes efficient air intake and exhaust, it will quickly clean and release 51-150m/h of fresh air, which can improve the air circulation and provide healthier air in your room.
  • 【Silent Tech and Easy Operation】: The mini air purifier adopts advanced silent technology and noise reduction fan blade design. In sleep mode, its sound can be as low as 22dB to create a quiet and comfortable indoor environment, which will not disturb your study, work, or sleep. Using the hepa filter air purifier couldn't be easier. Just press the same button to turn it on/off or control the fan speed.
  • 【Portable and Sleek Design】: This portable air purifier has a compact size with an extended 4.9ft Type-C USB cable, which is portable enough to move from room to room. It is very suitable for use in small areas within 215sq.ft (20m³), such as the bedroom, office, kitchen, smoking areas, etc. This small air purifier uses a high-grade white matte shell and looks elegant and sleek, which is both practical and decorative.
  • 【Friendly Service】: We recommend that you need to replace the air filter every 6 months. Search B098NBBJ9T on Amazon to get the replacement filter. In addition, The HEPA air purifier will provide 2-year quality assurance and 60-day full money back. If you have any questions, please let us know, and we will provide you with professional and satisfactory solutions.

How To Choose The Best Room Size Hepa Air Purifier

Before choosing a room size hepa air purifier, you should take the following considerations into account.

A good room size for a hepa air purifier is 6-8 inches square. For a machine that is going to clean them, a room size of 12-14 inches square is ideal. If you are looking for a room that will be used for both the hepa air purifier and the TV set, choose a room size of 8-10 inches square.

Related Frequently Asked Questions

How Many Square Feet Does A Hepa Filter Cover?

A HEPA filter cover is typically a small, black or white, plastic or metal cover that covers the majority of the filters.

Are Hepa Air Purifiers Effective Against Covid?

HEPA air purifiers are effective against Covid, a highly contagious respiratory illness.

How Do You Size A Hepa Filter?

When setting up your home office, you may find it helpful to size his filter already existing on the space. This will help prevent the thought of allocations andmanaging large amounts of filter material from becoming a reality. The important thing to remember is to make sure that your HEPA filter can be managed easily and at a fraction of the cost of typical filters.

How Do I Calculate Air Purifier Capacity?

When it comes to calculating your air purifier capacity, the most important thing is to think about the what you need it for. What is your needs like air purifier? If you needhnge to keep track of air purifier counters, or if you need to monitor air purifier usage? Once you have your dimensions and list of needs, you can start calculation by looking at the statistic of how much AC or even just single-stream air purifier can clean a space. Then, find the average flow rate for that type of noiseless filter and adjust it according to your needs.Keep in mind that an extra 10% of 2amiolet stars accuracy every month would be better than no accuracy at all.

Final Thoughts

The best room size for hepa air purifiers is size small. This means that the room size can be large enough to store the A/C unit, the TV, and his computer in the room. The large size will also allow you to keep all the waste water aroused by the AC unit in one place. The large room size also gives you plenty of storage to store all the materials that your purifier will need.