Every house or office has a large room or large spaces like a dining room, meeting hall, living room, or large bedroom. Of course, a large area can be polluted very quickly. The reason you need a best air purifier for large room 2021, that you are running a restaurant or hospital where a lot of people gathered every day. Or you have an air purifier that is not sufficient enough to cover a large area.
A large room covers the area from 300 square feet to 600 square feet. An air purifier needs a lot of power to inhale polluted air and exhale fresh air to deliver every corner of a large room. Therefore, you need to spend some extra money to get a large room air purifier. Because a large air purifier needs extra power and best filtration system,
After lots of research, my team and I put together a list of best air purifiers for large room 2021 to protect you from indoor contaminants, dust, pet dander, smoke, allergens, and bacteria. Our list includes air purifiers that consist of all aspects of indoor air cleaning. We talked in detail about the filtration system that is highly efficient for large rooms, capacity, price, and appearance air purifiers.
“One thing we want to clear is that the Corona Virus (COVID-19) does not float in the air for a long time; therefore, air purifiers do not help with the Corona Virus (COVID-19). You should get a face mask and wash your hands with soap or use any sanitizer.”
- Our Top Picks
- List of Best Air Purifier for Large Room 2021
- 1. Hathaspace Smart HSP001 – Best Air Purifier for Large Room 2021
- 2. Alen BreatheSmart FLEX – Best HEPA Filter Air Purifier 2021
- 3. Austin Air HealthMate Plus – High-End Air Cleaner 2021
- 4. Bissell Smart 2609A – Best Smart Air Purifier 2021
- 5. AIRMEGA 400S – Best Large Air Purifier 2021
- 6. LEVOIT LV-H133–Best Bedroom Air Purifier
- 7. Alen BreatheSmart FIT50 – Best Smart Air Cleaner for Large Room 2021
- 8. Bissell air400 – Best Large Room Air Purifier Under 500
- 9. Blueair Classic 605–Best for Cigarette Smoke Removal 2021
Our Top Picks
List of Best Air Purifier for Large Room 2021
|Model||Dimensions (inches)||Max. Noise Level (dB)||Power (W)||Area (sq.ft.)||Rating||Price|
|Hathaspace Smart HSP001||13.5 x 7 x 19.5||43||40||350||⭐⭐⭐⭐⭐|
|Alen BreatheSmart FLEX||10 x 17.75 x 26.75||55||55||700||⭐⭐⭐⭐⭐|
|Austin Air HealthMate Plus||14.5 x 14.5 x 23||66||136||1400||⭐⭐⭐⭐⭐|
|Bissell Smart 2609A||8.3 x 14.75 x 25||51||75||800||⭐⭐⭐⭐|
|AIRMEGA 400S||14.8 x 14.8 x 22.8||52||64||1560||⭐⭐⭐⭐|
|LEVOIT LV-H133||23 x 12 x 12||54||49||538||⭐⭐⭐⭐⭐|
|Alen BreatheSmart FIT50||10 x 16.75 x 22.25||48||65||900||⭐⭐⭐⭐|
|Bissell Air 400||16.13 x 9.75 x 24||65||400||1200||⭐⭐⭐⭐⭐|
|Blueair Classic 605||13 x 20 x 26||62||100||775||⭐⭐⭐|
1. Hathaspace Smart HSP001 – Best Air Purifier for Large Room 2021
Hathaspace Smart HSP001 is the best budget air purifier 2021 with a decent-looking design, powerful filtration, and smart operation. More than 3600 reviews by customers on Amazon trusted the air cleaning quality and capacity of Hathaspace Smart HSP001 (4.7/5 Rating) at the time of writing. Let’s dig deep and review Hathaspace Smart HSP001, the best air purifier for large room 2021.
The build quality fo Hathaspace Smart HSP001 is cheap but not bulky. It is 20 inches in height and 13 inches in width with the famous bottom to top airflow system. At the front, the air intake grill inhales the polluted air and passes through the 5-in1 multi-stage filtration system. The air outlet grill is on top of the air cleaner for a direct throw of fresh air from the filtration system.LED Display
The LED display gives you all information about air quality, filter replacement, and fan settings. Hathaspace Smart HSP001 is very lightweight (12 lbs.), you can easily place best HEPA air purifier for large rooms anywhere in your large room or bedroom.Filtration System
Hathaspace Smart HSP001 offers five stages of the filtration system, including the best large room HEPA air purifier. The Nano Cold Catalyst filter is known as a pre-filter, which removes large particles like dust, pet hair, lint, and household chemicals like formaldehyde, ammonia, benzene, and other harmful substances.Carbon Filter
The activated carbon filter absorbs cigarette smoke, kitchen odors, pet smells, gases, and other VOCs. The antibacterial filter kills germs, bacteria, and viruses. The True large HEPA filter captures 99.97% of small airborne particles (0.3 microns) like, mold, spores, dust mites, pet dander, and fungi. The ionizer charges the positively charged particles and neutralizes them.Area Coverage
Hathaspace Smart HSP001 is highly suitable for large rooms and spaces. The area coverage of Hathaspace Smart HSP001 is 350 square feet. The air changes per hour rating (ACH) is 2X. Therefore, Hathaspace Smart HSP001 can clean the air in your room every 30 minutes. The clean air delivery rate (CADR) is 100 in general. According to us, the CADR is slightly low than other top-end air purifiers in the same price range.Noise Level
Hathaspace Smart HSP001 offers you a noise level lower than rustling leaves. The minimum noise level at low fan speed is 18 dB. At the maximum speed, the noise level is still low (43 dB). We recommend you to run Hathaspace Smart HSP001 in your room if you are looking for an ultra-quiet air cleaner for a large room.Power Consumption
The power consumption of Hathaspace Smart HSP001 is 40 watts, which is outstanding. Power consumption is one of the essential factors that you should consider before buying any air cleaning machine.
Hathaspace Smart HSP001 is one of the best air purifiers for large rooms in 2021 with a reasonable price range. The 5-in-1 powerful filtration system protects you from mold spores, bacteria, viruses, and household odors. Hathaspace Smart HSP001 is ultra-quiet and energy-efficient. The fan power is low but works effectively for large spaces.
Related Post: Best Air Purifier for Small & Medium Rooms 2021
2. Alen BreatheSmart FLEX – Best HEPA Filter Air Purifier 2021
Alen BreatheSmart FLEX is the famous air purifier of the American brand. With 700 square feet area coverage, this air cleaner offers your high-end air cleaning performance at affordable prices. More than 850 customers bought this Amazon’s choice air cleaner and showed their trust in Alen BreatheSmart FLEX.
Alen BreatheSmart FLEX is 25 inches in height and 16 inches in width with effective bottom-to-top airflow system. The air intake grill is back of the air cleaner, and the air outlet grill is on top. We recommend you place this best large room HEPA air purifier in the center of your room. You will see a control panel on top with an air outlet grill. The control panel shows you some functions like filter replacement indicator, fan speed settings, timer, lock, and power options. Alen BreatheSmart FLEX is just 15 lbs. in weight. Thanks to the handle on top, you can place it anywhere in your home.Filtration System
The powerful filtration system of Alen BreatheSmart FLEX works properly against pet smell and allergies. The HEPA pure filter, which is the best air filter for a large room in 2021, captures 99% of small airborne particles (0.3 microns in size) like mold spores, dust mites, pollen, and pet dander. The activated carbon filter, combined with HEPA-fresh filter absorbs, pet smells, VOCs, household odors, and smoke. The HEPA Silver Filter kills germs, bacteria, and viruses. The HEPA-OdorCell eliminates the pet smells, cat or dog urine smell, cooking odors, and bathroom smell.Area Coverage
Alen BreatheSmart FLEX is highly effective for air cleaning in a large room. With 700 square feet area coverage and 5X air change per hour rating (ACH), Alen BreatheSmart FLEX can clean air in your room every 12 minutes. The clean air delivery rate(CADR) is 245 cfm in general.Noise Level
Alen BreatheSmart FLEX offers you a minimum noise level (39 dB) with 4 fan speed settings. The maximum noise level is 55 dB; you will not feel any disturbance while Alen BreatheSmart FLEX is running at high speed. The pink noise helps you sleep peacefully at night.Power Consumption
The power consumption of Alen BreatheSmart FLEX is 55 watts, which is quite reasonable with high fan power.
Undoubtedly, the powerful filtration system and area coverage of Alen BreatheSmart FLEX is sufficient for large room o bedrooms. If you are a pet owner and want to get rid of pet smell or allergies, we recommend you to run Alen BreatheSmart FLEX in your big house. It is very quiet and energy-efficient. Even the fan power is high, but you will not bear extra electricity expenses.
Related Post: Best Air Purifier for 1000 Square Feet
3. Austin Air HealthMate Plus – High-End Air Cleaner 2021
Austin Air HealthMate Plus is claimed as the only Clinically Proven, Medical Grade Air Purifier. If you can afford a high-range air purifier, Austin Air HealthMate Plus will do all the work for you. With 1400 square feet are coverage, the fan power of this extra large room air purifier is exceptionally high. Let’s review Austin Air HealthMate Plus.
The steel body of Austin Air HealthMate Plus is covered in powder-coated paint. You will have the feeling that Austin Air HealthMate Plus is highly durable. With 23 inches in height and 360-degree air, the intake grill improves the performance. Austin Air HealthMate Plus is certified by the Canadian Standards Association (CSA). Therefore, it is highly safe and easy to use. Austin Air HealthMate Plus is 47 lbs. in weight, but with the help of 4 casters, you can take it anywhere in your home.Filtration System
Austin Air HealthMate Plus offers 4 stages of the filtration system. The pre-filter captures the large particles that you can see with the naked eye, like dust, pet hair, and some pet dander. The medium-particle filter traps small to medium particles like mold, spores, and dust mites. The activated carbon filter absorbs smoke, pet odors, cooking odors, and also harmful chemicals. The medical-grade True HEPA filter captures 99.97 % of small pollutant particles (0.3 microns) and 95% particles larger than 0.1 microns.Area Coverage
The room coverage of Austin Air HealthMate Plus is 1400 square feet with 2X to 4X air change per hour rating (ACH). The clean air delivery rate (CADR) is 400cfm, which is really high. No doubt, Austin Air HealthMate Plus is the best air purifier for large room 2021.Noise Level
The minimum noise level of Austin Air HealthMate Plus is 50dB, which is equal to the maximum noise level of many other top-end air cleaners. But with high fan power and CADR, the noise level of Austin Air HealthMate Plus is quite acceptable. The maximum noise level is 66 dB. Make sure you run Austin Air HealthMate Plus at low fan speed to avoid any disturbance.Power Consumption
Again, with high fan power and CADR, the power consumption of Austin Air HealthMate Plus is higher than many air purifiers in the same price range. The power consumption of Austin Air HealthMate Plus is from 56 watts to 136 watts.
Austin Air HealthMate Plus offers you high performance with a powerful filtration system and fan power. This large room air cleaner is perfectly safe and protects you from allergies and asthma. Some issues with power consumption and noise level, but always remember that noise and high power consumption come with fan power.
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4. Bissell Smart 2609A – Best Smart Air Purifier 2021
Bissell Smart 2609A is the best air purifier for allergies and pet dander that gives you a high-end performance. CARB certified and high fan power with higher CADR rating, Bissell Smart 2609A, is the perfect solution for your indoor air cleaning.
The solid hard plastic body and premium black color give Bissell Smart 2609A a metallic look. It is 24 inches tall and 14 inches in width with bottom to top airflow system. The big perforated air grill at the front throw a fresh air directly to the user. Bissell Smart 2609A is 18.7 lbs in weight and a little difficult to lift.Filtration System
The 100% ozone free Bissell Smart 2609A offers you 3 stages of the filtration system. The pre-filter captures large pollutant particles like pet hair, fur, lint, and dust. The Tre HEPA filter traps 99.97% of small particles 0.3 microns in size like pet dander, mold, spores, and viruses. The activated carbon filter absorbs cigarette and cigar smoke, volatile organic compounds, pet urine smells, wildfire smoke, and cooking odors.Area Coverage
Bissell Smart 2609A offers you 800 square feet air coverage. The air change per hour rating (ACH) is 1X to 3X. It can clean the air in 20 minutes. The clean air delivery rate (CADR) 78 Dust, 172 Smoke, 160 Pollen (cfm). Bissell Smart 2609A is the best air purifier for large room 2021.Noise Level
The minimum noise level of Bissell Smart 2609A is 34 dB. The maximum noise level at high fan speed is 51 dB, you can hear sound, but you will not feel any disturbance. The quiet operation of Bissell Smart 2609A is really impressive.Power Consumption
The power consumption of Bissell Smart 2609A is 75 watts, which is higher than many low range air purifiers. This air purifier for large rooms is licensed as an Energy Star air cleaner, but we are not satisfied with the energy-saving performance.CirQulate System
The CirQulate System of Bissell Smart 2609A offers indoor air quality feedback. This smart feature measures the air’s change and indicates a blue, yellow, and red light.
Bissell Smart 2609A is a solid build and top-end air purifier. The True HEPA filter performance is better with high fan power; Bissell Smart 2609A works really well for large spaces. The price is a little higher than other best air purifiers for large rooms.
Related Post: Best Air Purifier for Weed Smoke
5. AIRMEGA 400S – Best Large Air Purifier 2021
AIRMEGA 400S is the latest flagship model of Coway and offers iconic features with broad area coverage (1560 square feet). With more than 444 reviews on Amazon by customers living in the United States, AIRMEGA 400S secures its place in Amazon’s choice air purifiers.
AIRMEGA 400S air purifier has a bulky design with 22.8 inches in height and 14.8 inches in width. The 360-degree air intake grill draws the pollutant air quickly, which is really useful for large rooms. The air outlet grill is on top with a power button and filters replacement indicator. AIRMEGA 400S is 24 lbs. in weight and harder to move.Filtration System
AIRMEGA 400S air purifier offers 2 stages of a powerful filtration system. The pre-filter captures large particles and contaminants like dust, pet hair, lint, and fur. The Max2 filter is a combination of a True HEPA filter and an activated carbon filter. This filter captures 99.97 % airborne pollutant particles and absorbs smoke, odors, and VOCs. The filtration system of the AIRMEGA 400S air purifier can remove impurities from a large room effectively.Area Coverage
The air change per hour ratings of the AIRMEGA 400S air purifier are 2X to 4X with 1560 square feet area coverage. The clean air delivery rate is 340 Dust, 350 Smoke, 400 Pollen (cfm).Noise Level
AIRMEGA 400S is an ultra-quiet air purifier because the minimum noise level is 22 dB. Even though the fan power is high, the maximum noise level is 52 dB, which is quite outstanding.Power Consumption
You will be surprised that AIRMEGA 400S offers less power consumption than a light bulb. Yes, this is just amazing. The maximum power consumption is 64 watts, which is still reasonable with such high fan power.
The pollution sensor of AIRMEGA 400S is the real-time deal. The bright colored LED lights let you know the change in air quality. The Smart Mode automatically adjusts the fan speed according to the change in indoor air quality.
AIRMEGA 400S is simply a great air purifier with high fan power and ultra-quiet operations. The filtration system is powerful enough to clean the polluted air in large rooms. The smart features are outstanding. We recommend you AIRMEGA 400S if you are looking for the best air purifier for large room 2021.
6. LEVOIT LV-H133–Best Bedroom Air Purifier
LEVOIT LV-H133 is the best air purifier to buy in 2021 because of its capacity to clean large room (538 square feet in 15 minutes) and the high-quality performance of the True HEPA filter. More than 1450 customers reviewed LEVOIT LV-H133 on Amazon and showed their trust in this air cleaner.
This most wanted air purifier of Levoit has a sleek cylindrical design and black or white color options. The air outlet grill is on top, and the air intake grill is at the bottom with the bottom to top airflow system, making it the best air purifier for large room 2021. You will find a touch screen LED at the top where you have an auto mode option, filter indication, and fan speed settings. LEVOIT LV-H133 is 26 inches in height and 21 lbs. in weight. Therefore, it is slightly difficult to move.Filtration System
LEVOIT LV-H133 offers 3 stages of the filtration system. At the first stage, the reusable pre-filter captures large particles like pet hair, dust, lint, and fur. The true HEPA filter traps 99.97% of small particles 0.3 microns in size like pet dander, mold, spores, bacteria, and viruses. The activated carbon filter absorbs smoke, kitchen odors, pet smells, and wildfire smoke. The filtration system of LEVOIT LV-H133 is best for allergies like flu and for toxins.Area Coverage
LEVOIT LV-H133 air purifier offers 538 square feet of area coverage for houses or apartments in the US or anywhere globally. The air change per hour rating (ACH) is 4X, and the clean air delivery rate (CADR) is 274 Dust, 285 Smoke, 287 Pollen (cfm).Noise Level
LEVOIT LV-H133 is an ultra-quiet air purifier and offers you 25 dB minimum noise levels at the lowest fan speed. At the high fan speed, the noise level is 54 dB. We are really impressed by the quiet operation of LEVOIT LV-H133.Power Consumption
Another iconic feature of LEVOIT LV-H133 is the energy-saving ability. The power consumption of LEVOIT LV-H133 at high fan speed is 49 watts, which is quite outstanding.
LEVOIT LV-H133 is the perfect choice for large spaces, even though the cost is light high but still affordable. The smart air cleaner is offering high fan power and many additional handy features. We recommend you LEVOIT LV-H133 because it is still the best air purifier for large room or apartments in 2021.
7. Alen BreatheSmart FIT50 – Best Smart Air Cleaner for Large Room 2021
Alen BreatheSmart FIT50 is the dream air purifier with a lifetime warranty. This smart air cleaner can cover 900 square feet area and best for living rooms and bedrooms. The large air filters and various colors, Alen BreatheSmart FIT50, is beautiful in design and smart in functions.
Alen BreatheSmart FIT50 is compact in design and 22 inches in height and 16.7 inches in width. You can place it anywhere, and the color range helps Alen BreatheSmart FIT50 blend in anywhere in your home. The air outlet grill is on top and the air intake grill behind the front plate for the traditional bottom-to-top airflow system.Lightweight
On the top with the air outlet grill, you will find a control panel with 7 different useful functions. Filter replacement indicator, timer, auto mode, lock, ionizer, and fan speed options are included in the smart control panel. Alen BreatheSmart FIT50 is very lightweight (16 lbs) and easy to place anywhere.Filtration System
Alen BreatheSmart FIT50 offers you 4 stages of the HEPA filtration system. The HEPA-Pure filter captures 99% of small airborne pollutant particles (0.3 microns in size). The HEPA fresh filter combined with an activated carbon filter eliminates household odors, smoke, and pet smell. If you are sensitive to VOCs then HEPA fresh filter is best for you. For removing mold and spores, you can install a HEPA Silver filter. HEPA-OdorCell helps in absorbing any kind of odors with its unique molecular technology.Area Coverage
Alen BreatheSmart FIT50 is best for large rooms because it can easily cover 900 square feet of area. The air change per hour rating is 2X to 5X. Alen BreatheSmart FIT50 can clean air every 30 minutes for 900 square feet area. The clean air delivery rate CADR is 194 Dust/ 188 Smoke/ 222 Pollen (cfm).Noise Level
The minimum noise level of Alen BreatheSmart FIT50 is 36dB, which is really great. At the maximum fan speed, the noise level is 48 dB, that’s why Alen BreatheSmart FIT50 is highly suitable for a bedroom.Power Consumption
Alen BreatheSmart FIT50 is an energy-efficient, and Energy Star-certified air purifier. The maximum power consumption at high fan speed is 65 watts, and you don’t have to worry about extra electricity expenses.
Alen BreatheSmart FIT5 is the perfect choice for large rooms or bedrooms because of its powerful filtration, quiet operation, and great area coverage. The customize colors add value to the home decor. Although filter replacement cost is high, the results are always great.
8. Bissell air400 – Best Large Room Air Purifier Under 500
Bissell air400 is CARB certified, with modern design and high-efficiency carbon fiber, a best large room air purifier for you. The modern design of Bissell air400 beautifies your home. The Automate Circulate System and broad area coverage (1200 square feet) make this air cleaner a compulsory component of your home.
The elegant and solid design of Bissell air400 is 27 inches in height and 18 inches in width that contains a big fan inside. The rectangular shape and titanium color give it a premium look that you will love. I am sure you will not find a popular look air purifier in a reasonable price range. The air intake grill is on both sides, and the air outlet is on top with bottom to top airflow system. The control panel is on top with several options related to fan speed settings and filter replacement indicator. Bissell air400 is 25.6 lbs. in weight; therefore, it is a little challenging to carry around.Filtration System
Bissell air400 air purifier offers 3 stages of the filtration system. The pre-filter captures large objects like pet hair, fur, lint, and fungi. The True HEPA filter traps 99.97% pollutant airborne particles (0.3 microns in size) like pet dander, mold, spores, bacteria, germs, and viruses. The honeycombed activated carbon filter absorbs smoke, household odors, gases, and VOCs. Bissell air400 is 100% ozone free that’s why it is the best air purifier for asthma and allergy sufferers.Area Coverage
Bissell air400 air cleaner offers 1200 square feet area coverage with 1X to 3X air change per hour rating (ACH). If your room is 400 square feet in size, then Bissell air400 can clean air every 20 minutes. The clean air delivery rate (CADR) is 307 Dust, 279 Smoke, 206 Pollen (cfm).Noise Level
The Bissell Company truly cares about maintaining the noise level as low as possible. Bissell air400 has the best sleep mode, and the minimum noise level is 30dB. The maximum noise level is 65dB. With 5 fan speed settings, the quiet operation of Bissell air400 is outstanding.Power Consumption
Bissell air400 is an Energy Star air purifier, but the energy consumption is higher than other air purifiers with similar specs and prices. The power consumption of Bissell air400 is 108 watts.
An iconic feature of Bissell air400 is Automated CirQulate System, which is an advanced smart sensor. The intelligent sensor adjusts the fan speed and provides you air quality readings. The Max Mode cleans your room quickly, and Silent Mode offers quiet operations so you can sleep peacefully in your room.
Bissell air400 offers your premium design at a reasonable price. The performance of the filtration system is really high for a large room or bedroom. We found some issues with power consumption but overall, Bissell air400 is best for apartments or large spaces.
9. Blueair Classic 605–Best for Cigarette Smoke Removal 2021
Blueair Classic 605 is a big air purifier and is specially designed to absorb smoke, odors, and volatile organic compounds. This top-rated air purifier is best for large rooms because of 800 square feet area coverage with a maximum airflow system. More than reviews on Amazon at the time of writing, this air cleaner is getting customer trust every passing day.
The large size of Blueair Classic 605 is 26 inches in height with bottom to top airflow system. The air intake grill and air outlet grill are on top, bottom, and bottom for a better airflow system. Blueair Classic 605 is more massive (35 lbs.) than other large room air purifiers and challenging to move or place around.Filtration System
The 3 stages air cleaning system of Blueair Classic 605 is powerful enough to eliminate contaminants in a large room. The pre-filter traps large particles like pet hair, fungi, lint, and dust. Combining the activated carbon filter and True HEPA filter absorbs smoke and kitchen odors and eliminates germs, bacteria, and other pollutant particles.Area Coverage
Blueair Classic 605 offers 775 square feet area coverage with 5X air change per hour ratings (ACH). The clean air delivery rate is 400 Dust, 450 Smoke, 450 Pollen (cfm). The fan power and airflow of Blueair Classic 605 are simply incredible.Noise Level
The minimum noise level of Blueair Classic 605 is 33 dB, and the maximum noise level is 62dB. Even though the fan power is great, the noise level is quite reasonable. With the help of HEPASilent Mode, you can maintain the noise level.Power Consumption
Blueair Classic 605 is an energy-saving air purifier. The power consumption at low fan speed is 15 watts, but at high fan speed, its 100 watts, which is quite a lot.
Blueair Classic 605 air purifier offers you some extra smart features like Blueair Friend App and Nigh Mode. The Blueair Friend App monitors the auto mode and fan speed. The Night Mode reduces the fan speed and light automatically.
Blueair Classic 605 is highly effective for indoor air cleaning and best air purifier for smoke 2021. The powerful filtration system and smart features make this air cleaner a super savior for you and your family. There are some issues with power consumption at high fan speed and noise level, but you will still not bear extra electricity expenses and noise.
Hi, I am Maria A. Davis and I am a loving mother and a dedicated reviewer for Homeheavenz.com. I tried and tested a number of air purifiers and humidifiers on the market to improve indoor air quality. I created this guide from my knowledge and personal experience so you can improve the air quality in your home and office.