The Best Air Purifier For Large Open Space In 2024

Sara Ryan By, Sara Ryan
Updated
Best Air Purifier For Large Open Space
Best Air Purifier For Large Open Space

Our Top Picks

1. Best Of The Best: LEVOIT Air Purifier

Featuring VortexAir Technology and 360° air intake, it can be equipped with such powerful motors that optimize the air cleaning performance. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to provide you with filtered air free of dust, allergens, pet dander, smoke particles and more. Read Review

2. Best For The Price: Germ Guardian Air Purifier for Large Open Space

The advanced purification system reduces up to 99.97% of harmful germs, dust, pollen, pet dander, and more while killing airborne viruses such as influenza, staph, and more. The pre-filter traps dust and pet hair while extending the life of the HEPA filter, while an activated charcoal filter helps reduce unwanted odors from pets, smoke, cooking fumes, and more. Read Review

3. Best Efficient: Honeywell HPA300 Air Purifier for Extra Large Rooms

This extra-large room air purifier helps reduce allergens like dust, smoke, pollen and pet dander in your home. It features 3 air cleaning levels including Turbo Clean mode and is ideal for wildfire season. With its advanced filter technology, this air purifier helps capture microscopic airborne allergens and particles to improve the overall quality of your home’s air. Read Review

4. Best Powerful: BLUEAIR Air Purifier

The advanced HEPASilent Technology delivers clean air faster and much more quietly than ever before. With a whisper-quiet operation of only 31 dB on low, it quickly cleans large rooms while using less energy. It helps reduce allergens, pollutants, odors and particles down to 0.1 micron in size - ensuring you the best air quality possible. Read Review

5. Best Energy Efficient: LEVOIT Air Purifiers

Introducing the LEVOIT Air Purifier for Home Large Room - perfect for living rooms, bedrooms, and kitchens. This powerful air purifier is 100% Ozone-free and uses UV-C light to effectively remove dust, pollen, pet dander, smoke, and other particles from the air. It also features a 3-stage filtration system. Read Review

Are you looking for the best air purifier for a large open space? With the increasing levels of air pollution, air purifiers have become a necessity in every household. But when it comes to large open spaces such as retail stores, offices, and warehouses, it is especially important to find the right air purifier that can effectively clean the air. The right air purifier will be able to filter out harmful particles, pollutants, and allergens, while also improving the overall air quality in the space.

To help you find the best air purifier for your large open space, we have researched and compiled a list of the best air purifiers available. From HEPA filters to activated charcoal filters, each of these air purifiers will provide you with the cleanest air and create a more comfortable environment.

After doing extensive study and analysis over a 16 hours, We think the best air purifier for large open space is LEVOIT Air Purifier. It has a compact design to save space and the most innovative technology to help remove 99,97%  airborne particles. You can consider Germ Guardian Air Purifier for Large Open Space as an alternative if you're still undecided. Other suggestions on this list are definitely worth considering, and we've put up a useful shopping guide to help you decide!

Our Top Picks

TOP Choice #1 LEVOIT Air Purifier
Our Score:
9.7
LEVOIT

HIGH PERFORMANCE: Enjoy fresh air in minutes with the Core 300 True HEPA Air Purifier. Featuring VortexAir Technology and 360° air intake, the Core 300 cleans spaces up to 547 ft² in 30 minutes, 219 ft² in 12 minutes (CADR: 141 CFM / 240 m³/h). Only products over 6 pounds can be equipped with such powerful motors that optimize the air cleaning performance

UNDISTURBED OPERATION: The display light can be turned off to enjoy a perfect night of sleep without the effect of light. A timer for 2/4/6/8 hours and filter lifetime indicator for your convenience

WHISPER QUIET AIR CLEANER: Choose Sleep Mode at night and then forget all about your air purifier while you sleep. QuietKEAP Technology reduces noise levels to a near-silent 24dB, ensuring the Core 300 won’t get in the way of a good night’s rest

OZONE FREE: Levoit air purifiers avoid using UV-C light, an air cleaning method that research has shown can produce harmful ozone and secondary pollution

FIND RELIEF: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, odor

MULTIPLE FILTER CHOICES: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs. The Smoke Remover filter specializes in wildfire, smoke and etc. And the Pet Allergy Filter helps to capture pet dander and absorb unpleasant odors

OFFICIAL LEVOIT FILTERS: Search for B07RSZSYNC or Core 300-RF to find Levoit's Core 300 replacement filter. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier

FULL CERTIFIED FOR SAFER: Energy Star Verified, Complies with California air resources board (CARB) for indoor cleaning devices. Also FCC certified, ETL listed

SLEEK DESIGN: The Core 300 practically serves your home while blending in with your decor. Its award-winning design (Red Dot, 2020) and modern white finish help your air purifier fit anywhere in your home/bedroom/room

TOP Choice #2 Germ Guardian Air Purifier for Large Open Space
Our Score:
9.6
GermGuardian

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

TRAPS ALLERGENS - Pre-filter traps dust, pet hair, and other large particles while extending the life of the HEPA filter

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

TOP Choice #3 Honeywell HPA300 Air Purifier for Extra Large Rooms
Our Score:
9.4
Honeywell

COMPATIBLE DOES NOT MEAN COMPARABLE – For best performance, use only Genuine Honeywell air purifier filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance or efficiency.

EXTRA LARGE ROOM AIR PURIFIER - Honeywell HPA300 HEPA Air Purifier helps provide fresher, cleaner air in minutes. Cleans up to 2250 sq ft in 60 mins (1 ACH), for powerful large room coverage. Provides 4.8 air exchanges per hr in AHAM suggested room size of 465 sq ft

ALLERGEN PLUS SERIES – This Honeywell HEPA Air Purifier is part of our Allergen Plus series. This product earned the ENERGY STAR label by meeting strict energy efficient guidelines set by the U.S. EPA.

EFFECTIVE AIR CLEANING AND CIRCULATION – The Honeywell HPA304 Air Purifier filters and circulates air in extra-large 465 square feet rooms up to 4.8 times an hour.

IDEAL FOR WILDFIRE SEASON: Wildfire smoke can impact the air quality where you live, even if you don’t live anywhere near the fires themselves. Because smoke contains extremely small particles, air purifiers can help remove some of these particles¹ from your air.

HELPS REDUCE ALLERGENS - This HEPA air purifier has 3 air cleaning levels including Turbo Clean. It helps capture the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke

4 BLUEAIR Air Purifier
Our Score:
9.2
Blueair

CLEAN AIR IN MINUTES: Blueair's HEPASilent technology, delivers clean air, faster, and much more quietly than traditional HEPA filtration alone; Quickly cleans 540sqft large room in about 12.5 min or up to 2592sqft XL space in 60min, on high

SIMPLE ONE-BUTTON CONTROL: Easily adjust fan as-needed with one button to ensure optimal air quality, including lowering fan speed at night for uninterrupted sleep

GENUINE FILTERS FOR OPTIMAL PERFORMANCE: Replace your filter every 6 months to ensure proper functionality & only use genuine Blueair filters; Shop 211 plus replacement filter: B073SKH39W; Upgrade to SmokeBlock filter for enhanced removal: B0B453ZDZ6

ONE OF THE QUIESTEST AIR PURIFIERS: Quieter (31 dB) than whisper on low; ENERGY STAR rated - uses less energy (30W) than an incandescent lightbulb on low

INDEPENDENTLY TESTED FOR PERFORMANCE & SAFETY, ZERO OZONE: AHAM Verifide for CADR; Ozone Safety Standards Certified by CARB; Zero Ozone Verified (

REMOVES ODOR & PARTICLES DOWN TO 0.1 MICRON: Ideal for smoke & smog during wildfire season; Removes 99.97% of airborne particles like smoke, dust, viruses and pet dander, while the carbon filter traps light household odors from smoking, pets and cooking

MOST AWARDED AIR PURIFIER BRAND IN THE US: Blue Pure 211 plus has won Good Housekeeping – 10 Best Air Purifiers of 2021, Best Overall Air Purifier; Wirecutter Pick - The Best Air Purifier - 2019 - 2022

COMBAT ALLERGENS: Helps reduce allergens and pollutants that trigger allergy and asthma symptoms

5 LEVOIT Air Purifiers
Our Score:
9.0
LEVOIT

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.

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)

FILTER REPLACEMENTS: Depending on usage, the filters should be replaced every 6–8 months. You can buy new filters by searching "B08BC5V6ZF" and "B085C22XWC". Remove the plastic wrap before installing a new filter.

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.

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.

ENERGY EFFICIENT: It only costs dollar 1.66 a week to run the Vital 100 24/7 , allowing you to use it all day during times of high pollution, like wildfire season.

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.

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.

REPLACEABLE AIR FILTER: Replace your filter when PM2.5 lights up and keep flashing. We recommend replacing the filter every six months for optimal performance. Medical grade H13 HEPA replacement filter is available

SMART CONTROL: Turn on Airthereal's smart control to automatically measure air quality. The unit will select the correct air purification mode according to your environment

CADR RATED 152+CFM (260 m³/h): means that it can purify an area up to 355 square feet (33m²). You will notice the difference within 10 minutes. Most customers choose it for living rooms, bedrooms, offices, restaurants, hotels and also labs

SLEEP MODE: Enable sleep mode to ensure that the machine runs quietly during nights

HIGH PERFORMANCE: Pre-Filter, True HEPA Filter, Activated Carbon Filter (attached with Nano Mineral, Cold Catalyst Filter, Photo Catalyst Filter and Molecular Sieve) - 3 filtration stage filters out 99.97% airborne particles as small as 0.3 micron

NOTE : The APH260 air purifier intakes the air from the front and outlet the air from the top of the device. Please make sure to remove the plastic wrap of the filter before the turn on the device.

CLEAN AIR IN MINUTES: Filters up to 630 SQFT per hour, and AHAM-Verified to exchange 126 SQFT 5 times per hour, allowing you to breathe cleaner air in minutes.

ENERGY STAR CERTIFIED: Eco mode cycles the fan on and off every 10 minutes, if air quality is detected good for 30 minutes, allowing 50% energy reduction.

ODOR REDUCER: Activated carbon filter layer helps decreasing unpleasant smells, allowing your rooms or office space to be refreshed.

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 and breathe. With an Instant Air Purifier, you’ll inhale cleaner air, and exhale peace of mind.

ADVANCED AIR CLEANING TECH: Combines a HEPA-13 filter that captures 99.97% of dust, pollen, smoke, mold, & other ultrafine impurities, combined with Plasma Ion Technology that projects positive and negative ions in the air allowing you to breathe easy.

AUTO MODE: Automatically senses the air quality and adjusts the fan up or down according to detected quality. Light band indicates when air quality is good (white), okay (orange) or poor (red) and adjusts to get back to good.

NOT AVAILABLE FOR SALE IN INDIANA.

WHISPER-QUIET: Light sensor automatically turns off displays and lowers noise to whisper-quiet levels when it is time for bed.

LONG LASTING FILTER: Our high quality air filter can last up to 12 months and changing it is effortless! Unhinge the bottom of the purifier and swap out your old filter and swap in a new Instant Air Purification Replacement Filter.

8 NUWAVE Air Purifier for Large Rooms
Our Score:
8.7
Nuwave

WIFI CAPABLE: OxyPure is WIFI capable. You can connect remotely to monitor and control the air quality in your home anytime, anywhere from an app on your phone. The app is compatible with both Android and iPhones.

UNPARALLELED 5-LAYER PROTECTION: Dynamic combination of a stainless steel pre-filter, ozone emission removal filter, True HEPA and Carbon filter, and Bio-Guard filter effectively captures 100% of 0.09-micron particles in the air, including pollen, pollutants, smoke, pet dander, dust, and other allergens. It also eliminates toxic Ozone in the home to less than 1 ppb, offering an ozone free space.

NIGHT-TIME SLEEP MODE - OxyPure is designed with Night-Time mode. All indicator lights turn off and fan operates at whisper-quiet level at 31.4 dB to help promote ideal sleeping conditions.

FILTER ALERTS: The air filter indicator tells you when the Bio-Guard filter needs to be cleaned and the True HEPA and Carbon filter need to be replaced for maximum efficiency, based on how much air they have processed.

ALLERGY RELIEF & BETTER SLEEP – National Sleep Foundation found that sleep is dramatically impaired by allergy symptoms. OxyPure promotes better sleep by eliminating airborne allergens that can irritate the sinuses, nasal passages, and lungs.

AIR QUALITY & ODOR TWO SENSORS IN ONE: This Air Purifier features two sensors to detect both air particles and smells, including smoke and pet smell, automatically adjust the fan speed and deliver real-time readings. A perfect air purifier choice for pets’ parents and smokers.

COVERAGE: The NuWave True HEPA filter Air Purifiers are designed for home large room. Proven to purify 2,671 sq. ft. within 1 hour, efficient enough to clean your entire home.

WHAT’S INCLUDED – 1 owner’s manual, 1 stainless-steel pre-filter, 1 ozone emission removal filter, 1 Bio-Guard filter, 1 HEPA/carbon combo filter & 3 additional filters included as a bonus. For the first 4 years, there is ZERO filter replacement cost. TINREYUO

SMART AUTO MODE: The OxyPure Hepa Air Purifier can automatically adapt to its surroundings by adjusting fan speeds based on the room’s air quality with the built-in auto mode feature, adjusting purification to the necessary level and saving energy when it’s not needed.

AIR PURIFIER WITH WASHABLE FILTERS: This air purifier is designed to eliminate costly replacements. The Never-Rust stainless-steel pre-filter and Bio-Guard filter are washable and reusable for up to 20 years. Ozone emission removal filter is reusable up to 20 years. The True HEPA and Carbon filter is replaceable in every 12 months. Search for B0BCS8W996 or NuWave HEPA/Carbon Combo Filter to find replacement filter. NuWave filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier.

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

NOTE: Genuine Levoit replacement filter for LV-H134 is back in stock. Please search for B07DVYFBNY for purchase

SLEEK AND STYLSIH: The minimalist tower design and streamlined, intuitive controls make the air purifier a seamless, elegant addition to any space

CLARITY AND CONFIDENCE: The Auto Mode uses a Laser Dust Sensor to measure the surrounding air and automatically adjust the fan speed in real-time. You can easily view the PM2.5 value on the display, which shows the amount of detected particles within 1 cubic meter

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

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

SMART SENSOR: The BreatheSmart 75i HEPA air purifier has a laser smart sensor that detects airborne particles and self-adjusts to better filter air. Use the AUTO mode to activate this feature and to automatically speed up or slow down the fan to filter the air.

HIGH EFFICIENCY FILTERS: Our air purifiers for homes, large rooms, and other open-concept spaces have high efficiency, H13, True HEPA filtration that captures 99.9% of particles as small as 0.1 micron. The Pure HEPA filter lasts 12 to 15 months.

B7 PURE FILTER: Alen's Pure HEPA filter helps remove airborne allergens, dust, pollen, dust mites, dander, pet hair, mold, and more. The True HEPA filter traps potentially harmful airborne particles as tiny as 0.1 micron. This office and home air purifier can purify up to 1,300 SqFt every 30 minutes.

PERFECT GIFT WITH A RANGE OF APPLICATIONS: Alen air purifiers aim to maintain our community's health and wellness with cleaner pure air. From back-to-school preparations for classrooms, doctor's offices, hotels, casinos, bars, lounges, restaurants, and your home, our air purifiers offer air filtration to everyone. It's a great gift for smokers and pet owners who want improved indoor air quality for their loved ones.

WIDER COVERAGE, QUIET AIR PURIFIER: Designed for extra-large rooms, the 75i is the ideal air purifier for large rooms and open-concept spaces such as living rooms and kitchens. It can purify up to 1300 SqFt every half hour while generating whisper-soft volume at the lowest setting for a quiet operation.

Things To Look For When Buying best air purifier for large open space

There are numerous factors to consider when looking for the best air purifier for large open space to purchase. The easiest way to figure out the right one is to read reviews from people who have already purchased it.

Throughout this article, we will go over certain most important factors to consider when purchasing best air purifier for large open space. Please take your time reading and studying the items listed below!

Fan

An air purifier should have a range of speeds. When you have to quickly clean an area's air, you want to get powerful air flow. However, you can use a more gentle fan for nighttime cleaning in your bedroom. Oscillating is a good option to cover more room.
You can try using an ordinary fan, like a ceiling or pedestal fan. The purifier should have adequate air circulation. If it doesn't, then it could end up cleaning air all around the unit, which can leave pollutants behind.
You should be aware that your air purifier may become quite loud at its maximum settings.

Alternatives To Air Purifiers

You can also clean up your home without buying an air purifier by regularly wiping down your furniture and thoroughly vacuuming your floors. You can use HEPA filters on your vacuum to ensure you're not just blowing dust around the room. You can remove even more pollutants and dust by regularly mopping hard floors. Finally, make sure to air-condition the home when outside air is clean.

Portability

An air purifier can be quite heavy - it can weigh up to 10 kg. Before you move the device between rooms, ensure that its weight is within your ability. You can move the unit more easily with wheels or carrying handles.

Room Size

The recommended room size for most air purifiers is usually listed on the product label. Consider buying an air purifier that can be used in larger rooms than your home. You might find that the purifier clears the room more rapidly on the fastest setting. However, it will still keep the room clean on the slowest and most comfortable speed. This is good for when you are sleeping.

Remote Control

The remote control makes it easy to use, although not all models come with them. You can also connect your air purifier to your WiFi network. Some models can also be controlled by a smartphone or tablet app. Dyson Pure Cool's Pure Hot + Cool model, but not the Pure Cool Me, allows for access to data from an air purifier that can be accessed from your smartphone. You will then have information about what type of pollutants were removed.

Sensors And Timers

Many air purifiers include sensors which can measure the amount of pollutants in the air and other parameters such as temperature and humidity. These sensors will display information usually on the unit, and (for Wi-Fi models) in an accompanying app. This may include a complete particle count or simple indicators such as green for healthy air or red for highly polluted.
One can program the purifiers to turn on automatically when the pollution level reaches a set point. This can come in handy for those who want the purifiers to work continuously.
If there is no way to program the sensor to automatically turn on or off, you can use a timer function to tell the unit when to start.

FAQs

Do Air Purifiers Work?

Yes. You should read the customer reviews to see which machines are more effective. They can remove dust and fine particles quietly and invisible from the air. If you don't live near a congested street, opening doors or windows to let in air can help improve the indoor air quality. An air purifier can be used in the colder months.

Are Air Purifiers Effective?

Anyone can benefit from improving indoor air quality. If you had to choose between walking along a main street polluted or next to a park, the former would be your choice. Indoor air quality can be threatened by polluting substances, allergens and dust particles as well as candles, open fires, volatile organic compounds (VOCs), cleaning products and "off gassing." Here VOCs can be released for many years from plastics and paints. An air purifier can be described as "taking the green side" of the road. If someone in your family suffers from allergies or asthma, they can help.

How Long Does It Take For An Air Purifier To Clean A Room?

This depends on how large the room is and not only the type of air purifier. Take measurements of your space to find a machine capable of cleaning the air in an area that is five times as large. It filters the entire room one time every twelve minutes. Although machines can purport to clean big spaces, they only have the ability to do so several times each hour.

Do Air Purifiers Remove Smells?

Air purifiers using activated carbon filter will eliminate volatile organic compound (VOCs) which can cause unpleasant smells. It could also be the particulates of scented candles or aerosols that cause a musty scent.

Where Is The Best Place To Put An Air Purifier?

An air purifier should be placed in an area that is equal or less than the CADR rating. A device that can effectively purify air in rooms less than 250 sq. feet should not be placed in the heart of large houses. You should ensure that the purifier isn't blocked from either its intake or output by placing it in a room with a large number of people. This means that the purifier should be out in open and in an area with consistent airflow.

Do Air Purifiers Increase Or Decrease Oxygen In The Room?

They don't. The majority of air purifiers use fans to circulate the air through an interior filter chamber that captures any particles. This does not alter the original composition of the air. It can add or remove oxygen, or any other gases.

Conclusion

The best air purifier for large open space would be those who suit your needs and demands at the lowest possible cost. With more and more options available, it could be simple to find a design that satisfies all of these criteria. If you're not sure which one is best for you, take into account the LEVOIT Air Purifiers for Home Large Room for another option.


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About Sara Ryan

Sara Ryan

Sara Ryan is a freelance writer for CampFireHQ and avid diver. She first discovered her love for diving while on vacation in the Caribbean and has been hooked ever since. Sara loves exploring new dive sites and observing the fascinating creatures that live beneath the waves. As a native of Colorado, Sara enjoys spending her free time hiking and camping in the beautiful Rocky Mountains. She also enjoys writing about her adventures in diving and wildlife conservation.

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