Are you or your family suffering from asthma or having any symptoms of lung disease? According to the Asthma & Allergy Foundation of America (AAFA), around 30% of adults and 40% of kids are affected by allergies. The reason you are here because you understand that the best air purifier for asthma 2021 can protect you from allergies and clean air so you can breathe easily.
The next thing that should be in your mind that what air purifiers can perform best against asthma, harmful chemicals, and pet allergies. Several brands are available that claim they are best for indoor air pollution and protect you from VOCs and allergies from pet dander and urine.
Before you move forward, I want to tell you some essential factors that will help you in buying an air purifier for allergies and asthma. The filtration process plays a vital role in eliminating indoor air pollution. When you by an air cleaner, check carefully that it has a HEPA filter and activated carbon filter. Because both filters are effective against bacteria and household odors. The noise level should be low, so it doesn’t trigger asthma. The fan power should be high because high fan power helps that air purifier clean the room quickly.
I enlist the top 8 best air purifiers for asthma 2021 with specifications, pros, and cons. After reading this article, you will have detailed knowledge about the filtration system, area coverage, noise level, and air purifiers’ power consumption. I have also talked about best air purifiers for allergies, pets, and babies in the previous article.
- Our Top Picks
- List of Best Air Purifier for Asthma 2021
- 1. Honeywell HPA200 – Best Air Purifier for Asthma 2021
- 2. LEVOIT Core 300 – Asthma Air Purifier under 100 in 2021
- 3. Hathaspace Smart HSP002 – Smart True HEPA Air Purifier 2021
- 4. LEVOIT Vital 100 – Best Air Purifier for Asthma & Allergies 2021
- 5. Winix 5300-2 – Best Air Purifier for Respiratory Problems 2021
- 6. Bissell Smart 2609A – Small Air Purifier for Asthma 2021
- 7. Blueair Classic 280i – CARB Certified Air purifier 2021
- 8. Whirlpool Whispure WPT60B – Best Air Purifier for Asthma Under 100
- Best Air Purifier for Asthma 2021 (FAQs)
Our Top Picks
List of Best Air Purifier for Asthma 2021
|Model||Dimensions (inches)||Max. Noise Level (dB)||Power (W)||Area (sq.ft.)||Rating||Price|
|Honeywell HPA200||9.25 x 20 x 22.25||62||130||465||⭐⭐⭐⭐⭐|
|LEVOIT Core 300||8.7 x 8.7 x 14.2||50||45||219||⭐⭐⭐⭐⭐|
|Hathaspace Smart HSP002||9 x 16.5 x 27||60||100||1500||⭐⭐⭐⭐⭐|
|LEVOIT Vital 100||12.8 x 6.4 x 16.1||50||55||300||⭐⭐⭐⭐|
|Winix 5300-2||14.9 x 7.8 x 23.6||27.8||58||360||⭐⭐⭐⭐⭐|
|Bissell Smart 2609A||8.3 x 14.75 x 25||51||75||800||⭐⭐⭐⭐|
|Blueair Classic 280i||25.5 x 20 x 12.5||56||80||240||⭐⭐⭐⭐|
|Whirlpool Whispure WPT60B||8.46 x 6.93 x 16.97||35||32||120||⭐⭐⭐|
1. Honeywell HPA200 – Best Air Purifier for Asthma 2021
Honeywell HPA300 is at the top of our list of best air purifiers for allergies and asthma because of R certified HEPA filters and A+ Genuine Pre-filter. Honeywell HPA300 is AHAM verified and effective to fight against germs, bacteria, viruses, and harmful VOCs. More than 6000 customers reviewed this air purifier for lung disease on Amazon at the time of writing and gave satisfactory remarks. Lets move towards Honeywell doctors choice air purifier reviews
Honeywell HPA300 comes in iconic black color, and the air intake grill surrounds the solid body. Therefore, this air purifier for asthma and pets sucks the pollutant air from every side. Thanks to the 360-degree air intake grill, you can place this air purifier good for asthma in the center of your room for better results. On the top, you will see a function button, LED indicator, and air outlet grill.Light Weight
Honeywell HPA300 is 22 inches in height and 20 inches in width. This is a big air cleaning machine, and a little heavier than other high-end air purifiers for asthma (21 lbs.), but with the help of side handles, you can place it anywhere in your home.Filtration System
Now we will talk about why the filtration process of Honeywell HPA300 is best for asthma. A+ Genuine Pre-filter combine with activated carbon filter captures large particles like dust, hair, fur, and absorbs smoke, kitchen smells, VOCs, and other compounds that create breathing problems. The R certified HEPA filter is an allergen remover. This filter traps 99.97 % of small airborne pollutant particles like pet dander, pollen, mold, spores, and bacteria.Area Coverage
Honeywell HPA300 offers 465 square feet of area coverage. Therefore, it is the best air purifier for people with asthma that can produce fresh and clean air for the entire area of your home. The air changing per hour rating (ACH) is 5X, and the clean air delivery rate (CADR) is 320 Dust, 300 Smoke, 300 Pollen (cfm). Honeywell HPA300 can clean the air in your room every 12 minutes.Noise Level
As you can see, Honeywell HPA300 has high fan power, and because of the powerful fan, the noise level can be high too. If you don’t feel irritation of disturbance with little noise, then I recommend you Honeywell HPA300 for your asthma problems; otherwise, you can check other air purifiers for asthma on our list.Power Consumption
Honeywell HPA300 is an energy star air purifier and offers 40 to 130 watts of power consumption on low and high fan speed, respectively. The reason for high power consumption is a powerful fan of Honeywell HPA300.
Honeywell HPA300 is highly suitable for people living with asthma because of the powerful filtration system. It also protects you from pet allergies, pet urine smells, and allergies due to protein in pet urine and pet dander. The carbon filter is effective against harmful chemical and household odors that cause breathing problems.
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2. LEVOIT Core 300 – Asthma Air Purifier under 100 in 2021
LEVOIT Core 300 is the best air purifier for asthma and allergies in 2021 under 100. This air cleaner is the optimum solution for the causes of asthma and allergies like pet dander, pet hair, germs, bacteria, and smoke. It performs really effectively against household odors and pet’s urine smell. LEVOIT Air Purifier H13, Core 300, is the Amazon bestseller, and more than 10,000 customers showed their trust in its performance.
LEVOIT Core 300 has a beautiful compact design. Thanks to the 360-degree air intake grill, this air purifier for asthma sufferers pulls the polluted air into its filtration system and throws the fresh from its air outlet grill on top. You will also see a newly designed control panel with the air outlet grill. This control panel offers several options like timer, filter replacement indicator, and fan speed settings. LEVOIT Core 300 is exceptionally lightweight (7.5 lbs.) and easily place anywhere in your home.Filtration System
The asthma air filter of LEVOIT Air Purifier H13, Core 300, provides a solid guard against asthma and allergies caused by smoke and pets. The True HEPA filter (imported from Japan) combined with ultra-fine pre-filter capture 99.97% of small pollutant particles like pet hair, pet dander, pollen, mold, spores, and large airborne particles.Carbon Filter
The Ultrafine Granular Activated carbon filter absorbs smoke, wildfire and cigarette smoke, household odors, and other harmful chemicals. Smoke and household smell cause problem in breathing and pet dander, hair, and urine is the home of allergies. So I am sure the filtration system of LEVOIT Air Purifier H13, Core 300, protects you from these problems.Area Coverage
LEVOIT Core 300 offers you 219 square feet of area coverage. The air change per hour rating (ACH) is 5X, which means this small and best air cleaner for asthma cleans air every 12 minutes. The clean air delivery rate is 140 dust, 145 smoke, and 141 pollen (cfm).Noise Level
The Vortexair Technology of LEVOIT Core 300 air purifier helps you sleep peacefully with smooth and powerful airflow. The QuietKeep technology helps in keeping the noise level at a low point. The noise level at low fan speed is 24 dB, which is quite outstanding. If you run the air cleaner at high fan speed, it will produce a 50 dB noise level.Power Consumption
LEVOIT Core 300 is UL listed and Energy Star certified. The maximum power consumption is 45 watts at high fan speed and 0.8 watts at the stand-by position. Therefore, LEVOIT Core 300 does not only protect you from asthma but also minimizes your electricity expenses.
LEVOIT Core 300 offers you high fan power and best air filter for asthma. It is designed in California and 100% ozone-free. I assure you that LEVOIT Core 300 works effectively against airborne pollutant particles and protects your family from asthma, allergies, and breathing issues.
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3. Hathaspace Smart HSP002 – Smart True HEPA Air Purifier 2021
Hathaspace Smart HSP002 offers the best air filters for asthma. This medical-grade air purifier covers a large area (1500 square feet) and captures 99% airborne pollutant particles that are a safe haven for allergies and asthma. Hathaspace Smart True HEPA air purifier 2.0 brought up 5 stages of medial grade filtration system to fight against smoke and pet allergies.
Hathaspace Smart True HEPA Air Purifier 2.0 is a big console air cleaner, and it is 27 inches in height and 16 inches in width. The 360-degree air intake grill sucks the polluted air and throws out the fresh air from the outlet grill at the back. The sleek touch panel at the top offers you different controlling options like fan speed, auto mode, sleep mode, filter replacement indicator, and timer. Hathaspace Smart HSP002 is more massive than other top air purifiers for asthma (28 lbs. in weight); therefore, you can use it for a fixed location.Filtration System
Hathaspace Smart True HEPA Air Purifier 2.0 offers 5 stages of unique air filters for asthma. The washable pre-filter captures large particles like pet hair, fur, lint, fungi, and dust. Polypropylene pre-filter captures medium polluted particles. This filter also extends the life of the True HEPA filter. It kills the germs and bacteria on the surface of the True HEPA filter.Clean Small Particles
The medical-grade HEPA filter traps 99 % of small particles (0.1 microns) like dust mites, pollen, mold, spores, and pet dander. The activated carbon filter and zeolite filter absorb smoke, kitchen odors, pet urine smell, and wildfire smoke. The Cold Catalyst filter traps VOCs and other harmful chemicals.Area Coverage
Hathaspace Smart True HEPA Air Purifier 2.0 is the best air purifier for large rooms or bedrooms because of 1500 square feet of area coverage and 4X ACH. This best asthma air purifier can clean air every 15 minutes. The clean air delivery rate (CADR) is 260 cfm in general.Noise Level
Hathaspace Smart True HEPA Air Purifier 2.0 performs a whisper-quiet operation. Therefore, the minimum and maximum noise level is 30 dB and 60 dB, respectively. I recommend running the air cleaner at low fan speed for a peaceful sleep in your bedroom.Power Consumption
As you know that Hathaspace Smart HSP002 has a powerful fan to cover a large area. Therefore, more power consumption comes with a powerful fan. The maximum power consumption is 100 watts.
Hathaspace Smart HSP002 is better than its previous models and can cover a large area that previous models could not do. The iconic feature that I like most is the medical-grade True HEPA filter.
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4. LEVOIT Vital 100 – Best Air Purifier for Asthma & Allergies 2021
LEVOIT Vital 100 is a classic looking air purifier and ideal for asthma and pet allergies. It is CARB certified, FCC certified, and ETL listed. More than 3000 customers reviewed this air cleaner on Amazon and gave satisfactory remarks.
LEVOIT Vital 100 is 16 inches in height and offers a basic look. Thanks to the traditional bottom to top airflow system, the air intake grill is at the air cleaner’s sides, and the air outlet is at the top. The control panel on the top offers 5 primary functions, including the power button, fan speed, and timer. LEVOIT Vital 100 is very lightweight (9.3 lbs.) and easy to place anywhere in your home.Filtration System
LEVOIT Vital 100 provides 3 stages of filtration system to protect you and your family from asthma and allergies. The pre-filter captures large particles like lint, pet hair, fur, and dust. The True HEPA filter traps 99.97 % of small airborne pollutant particles like pollen, pet dander, and mold, spore, and dust mites. The activated carbon filter absorbs smoke, fumes, ammonia, cooking odors, and volatile organic compounds.Area Coverage
LEVOIT Vital 100 offers 300 square feet of area coverage with 4X air changes per hour rating. These air cleaning machines can clean the air in your room every 15 minutes. The clean air delivery rate (CADR) is 130 cfm in general.Noise Level
LEVOIT Vital 100 is a whisper-quiet air purifier. The minimum noise level at low fan speed is 25 dB. The maximum noise level at high fan speed is 50 dB, which is lower than many other high-end asthma and allergy-certified air purifiers in the market.Power Consumption
The power consumption of LEVOIT Vital 100 at high fan speed is 55 watts. It would be best if you don’t feel worried about the extra electricity expenses because this energy-efficient air purifier will not burden your pocket. At stand by position, the power consumption of LEVOIT Vital 100 is 0.8 watts.
LEVOIT Vital 100 is a compact air purifier and best for small to medium rooms. It is ultra-quiet at low fan settings. The filtration process is a complete package for protection against asthma and allergies.
5. Winix 5300-2 – Best Air Purifier for Respiratory Problems 2021
Winix 5300-2 is a tested and trusted air purifier of the Korean Brand. It comes at a reasonable price and cleans 360 square feet of the area from germs, bacteria, odors, harmful chemicals, and other allergens. At the time of writing, more than 4000 customers reviewed Winix 5300-2 on Amazon and showed their complete satisfaction. Let’s review this Amazon’s choice air purifier.
Winix 5300-2 air purifier has a slim and beautiful design. The solid plastic body is 23.6 inches in height and 14.9 inches in width. Thanks to bottom to top airflow system and air intake grill with 2000 holes to effectively suck the polluted air. This portable air purifier is 15 lbs. in weight. Therefore, you can place it anywhere in your home to control indoor air pollution.Filtration System
Winix 5300-2 offers 4 stages of the best air filter for allergies and asthma. The washable fine mesh pre-filter captures large particles like fur, pet or human hair, dust, and fungi. The activated carbon filter absorbs kitchen odors, smoke, bathroom smells, pet urine smell, and VOCs. The True HEPA filter traps 99.97% of small airborne pollutant particles like pollen, pet dander, mold, spores, and bacteria. The PlasmaWave filter works as an ionizer that creates hydroxyls and kills the pollutant particles. You can switch off the ionizer if you feel difficulty in breathing.Area Coverage
The manufacturer claims that Winix 5300-2 can cover 360 square feet of area and I truly agree with that. The air change per hour rating (ACH) is 4X, and the clean air delivery rate (CADR) is 243 dust, 232 smoke, and 246 pollen (cfm). Winix 5300-2 is the best air purifier for kids’ bedrooms, infants, pregnant women, offices medium, and large rooms.Noise Level
The Auto mode and Smart sensor adjusts and gauges the air and fan, and the sleep mode maintains the noise level at 27.8 dB for a peaceful sleep at night. Winix Brand is famous for low noise level CARB certified air purifiers even with high fan speed.Power Consumption
Winix 5300-2 is the energy star rated air purifier and offers 58 watts of power consumption. You don’t have to bear extra electricity expenses when you run this energy-efficient air purifier for making sure the indoor environment is safe for people living with asthma.
Winix 5300-2 protects you from germs, bacteria, viruses, and harmful chemicals that cause asthma, allergies, breathing problems. 5 powerful fans, an odor-reducing carbon filter, and a True HEPA filter are best for asthma and allergies. I recommend you make this air cleaner part of your home and protect your family from indoor pollution.
6. Bissell Smart 2609A – Small Air Purifier for Asthma 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 throws 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 best HEPA filter for asthma. 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 the 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 good for asthma. This air purifier for pet allergies and asthma is licensed as an Energy Star air cleaner, but we are not satisfied with the energy-saving performance.
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 asthma air purifiers with the same specifications.
7. Blueair Classic 280i – CARB Certified Air purifier 2021
HEPASilent Technology and DualProtection filters of Blueair Classic 280i is a total relief for allergies and asthma. This air cleaner can cover 240 square feet of area and offers you smart controls so you can change the settings of its operations anywhere in the house. Sustainable Swedish design, this asthma and allergy air purifier is a long-term companion for fighting against germs.
The durable steel body of Blueair Classic 280i is 21 inches in height and 17 inches in weight. The air intake grill is on both sides, and the air outlet grill is at the top. Blueair Classic 280i uses bottom to top airflow system for better air cleaning. It is a bit heavier (22 lbs.) than other high-end air purifiers for asthmatics in the same price range. Therefore, I recommend placing it in your room where you need it more.Filtration System
Blueair Classic 280i offers the best air filter for asthma. DualProtection filter that is a combination of True HEPA filter and activated carbon filter captures 99.97% of small airborne pollutant particles like pollen, pet dander, dust mites, mold, spores, and bacteria. This filter is also useful in absorbing smoke, household odors, and other harmful chemicals that cause difficulty in breathing. HEPASilent is the key to the air filtration process in Blueair Classic 280i. The mechanical and electrostatic filtration captures tiny particles (0.1 microns in size)Area Coverage
Blueair Classic 280i can cover 240 square feet of area with 5X air changes per hour rating. This smart air purifier can clean air in your room every 12 minutes. The clean air delivery rate (CADR) is 200 Dust, 180 Smoke, 200 Pollen (cfm).Noise Level
Blueair Classic 280i offers a 56 dB noise level, which is higher than other top air purifiers for asthmatics. This noise will not cause any disturbance, but still, it is a bit louder.Power Consumption
The power consumption of Blueair Classic 280i at minimum fan speed is 20 watts, which is quite outstanding. The maximum power consumption at high fan speed is 80 watts.
If you have a heavy budget, then I recommend you buy Blueair Classic 280i for protection against asthma and allergies. It delivers excellent performance in killing germs and bacteria. You can control it by using a smartphone. The noise level is high, but still, Blueair Classic 280i is the best air purifier for allergies and asthma 2021.
8. Whirlpool Whispure WPT60B – Best Air Purifier for Asthma Under 100
Whirlpool Whispure WPT60B is the best tower air purifier under 100 with True HEPA filter and anti-bacterial activated carbon filter. It is ideal for removing allergens in small and medium rooms. I recommend Whirlpool Whispure WPT60B if you want a budget air purifier for personal use.
Whirlpool Whispure WPT60B comes in white and black color. This tower air cleaner is 17 inches in height and 7 inches in width. The polluted air entered from the air intake grill at the back and fresh, clean air comes out from the air outlet grill on the front. At the top, you will see a newly designed control panel that offers several useful options like fan speed, timer, control lock, pre, and HEPA filter change buttons. Whirlpool Whispure WPT60B is 6.6 lbs. in weight and very easy to carry anywhere in your home.Filtration System
Whirlpool Whispure WPT60B offers you 2 stage of the air cleaning system. The anti-bacterial activated carbon filter absorbs smoke, kitchen odors, pet urine smells, and volatile organic compounds. True HEPA filter captures 99.97% of small airborne pollutant particles (0.3 microns in size) like pollen, dust, pet dander, mold, and spores.Area Coverage
Whirlpool Whispure WPT60B is the best air purifier for small and medium rooms. The area coverage is 120 square feet with 5X air changes per hour ratings. The clean air delivery rate (CADR) is 86 Dust/ 77 Smoke/ 86 Pollen (cfm).Noise Level
The minimum noise level of Whirlpool Whispure WPT60B is 35 decibels, which is outstanding. Therefore, this quiet air purifier is best for offices and bedrooms.Power Consumption
Whirlpool Whispure WPT60B offers 32 watts of power consumption at low fan settings. Although power consumption is a little higher than other top-end air purifiers help with asthma in the market, still it is quite reasonable.
Whirlpool Whispure WPT60B is a personal air purifier at a reasonable price. The True HEPA filter works efficiently in removing small pollutant particles like pet dander and the real deal in protecting from pet allergies.
Best Air Purifier for Asthma 2021 (FAQs)
What’s the best air purifier for asthma?
In my list of the top 8 best air purifiers for asthma, I provide you high-performance air cleaners for protection from pollutant particles causing asthma or other allergens. Following is the list of top air cleaners that have powerful filtration systems to clean air from smoke and odors.
- Honeywell HPA300 – Best Overall for Asthma
- LEVOIT Core 300
- Hathaspace Smart HSP002
- LEVOIT Vital 100
- Winix 5300-2
- Bissell Smart 2609A
- Blueair Classic 280i
- Whirlpool Whispure WPT60B
Do air purifiers help with asthma?
Air purifiers are effective in giving protection against asthma symptoms. The True HEPA filter, activated carbon filter, and pre-filter are the most common filters that are used in air purifiers. These filters are effective in eliminating those particles that cause allergies or make problems in breathing like animal dander, smoke, pet hair, and VOCs.
Do doctors recommend air purifiers?
Yes, doctors recommend an air purifier for asthma if it has a True HEPA filter and activated carbon filter.
Does air purifier help with breathing?
Air purifier works effectively in clean indoor polluted air. The powerful air cleaning system of the air purifier cleans the air from pollutant particles and produces fresh air. Most air purifiers target pet dander, smoke, and household odors so you can breathe in a clean and healthy environment.
What’s better for asthma air purifier or humidifier?
Air purifiers are specially designed for removing allergies and cleaning the air asthma sufferers. On the other hand, the humidifiers have no impact on allergies.
Why are ionizers bad for asthma?
Ionizers are bad for asthma because they generate ozone which irritates asthma sufferers and difficulty in breathing. It causes coughing, chest pain, and shortness of breath.