Best Whole House Air Purifier in 2021 – Top Air Filtration for Whole Home

Best Whole House Air Purifier in 2021 - Top Air Filtration for Whole HomeWhen you want to clean the indoor air of your entire house, then a best whole house air purifier in 2021 is the better option for you. A portable air purifier is sufficient in removing pollutant particles from a single room, bedroom, or living room. A whole house air purification system can eradicate germs, bacteria, viruses, and other harmful chemicals from the air throughout your home.

Keep in mind that the air is not limited to your room. The open windows, doors, people coming and going outside bring new pollutants into your home or apartment. Therefore, you need a whole house air purifier to kill germs in your living space and deal with new airborne contaminants coming from outside.

Unfortunately, numerous air cleaners are available in the market with the tag of best air purifiers for the whole house. But they only offer extensive air coverage. I present the best whole home air purification systems in the list down below. You can choose any air purifier from the list that fulfills your requirements efficiently. You can read about their home air purification system, area coverage, noise level, and power consumption of every air cleaner on the list.

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Best Whole House Air Purifier in 2021 - Top Air Filtration for Whole Home

List of Best Whole House Air Purifier in 2021

 ModelDimensions (inches)Max. Noise Level (dB)Power (W)Area (sq.ft.)RatingPrice
Alen BreatheSmart 75i – Overall, Best Whole House Air Purifier in 2021Alen BreatheSmart 75i15 x 23 x 30.7549451300⭐⭐⭐⭐⭐
Bissell air400 –Ozone Free Best Whole House HEPA Air Purifier in 2021Bissell Air 40016.13 x 9.75 x 24301081200⭐⭐⭐⭐⭐
New Comfort CA-3500 –Outstanding Whole House Air Purification System in 2021New Comfort CA-350010 x 8 x 1155453000⭐⭐⭐
Medify Air MA-112 V2.0 –Dual Intake High Grade Whole House HEPA Filter for Allergies Smog & Odors in 2021Medify Air MA-112 V2.028 x 16 x 1572952400⭐⭐⭐⭐⭐
Ivation Ozone Generator –Ozone Generator, Ionizer, and Air Purifier for 3500 Square Feet in 2021Ivation Ozone Generator12.5 x 11 x 15Not MentionedNot Mentioned3500⭐⭐⭐
GreenTech Environmental pureAir 3000 –Decrease Sickness & Seasonal Allergies with Advanced Air Filtration System in 2021GreenTech Environmental pureAir 300012 x 9 x 12.25Not Mentioned453000⭐⭐⭐⭐
AIRMEGA AP-2015E(G) 400S –Central Air Purifier with High Quality Home Air Cleaning System in 2021AIRMEGA AP-2015E(G) 400S14.8 x 14.8 x 22.852641560⭐⭐⭐⭐⭐
Austin Air B402A1 –5 Stages Best Whole House Air Purification to Improve Sleep Austin Air B402A114.5 x 14.5 x 23671351500⭐⭐⭐

1. Alen BreatheSmart 75i – Overall, Best Whole House Air Purifier in 2021

Alen BreatheSmart 75i – Overall, Best Whole House Air Purifier in 2021Alen BreatheSmart 75i air purifier is an excellent solution for a whole house air filtration system. It can clean 1300 square feet of the area every 30 minutes in one hour. The 4 layers of the filtration system with a high clean air delivery rate are the best solution for allergies and dust. Moreover, the maximum noise level is 49 decibels; therefore, you will not hear any disturbing sound during the air purification process.

 

 

 

Pros
  • Cleans 1300 Sq. Ft. Every 30 Minutes
  • Sleek Design With 6 Different Colors
  • Sleep Mode
  • Best for Open Living Space
  • Ultra Quiet
  • Energy Efficient
  • Allergens and Dust Removal
Cons
  • Expensive

Alen BreatheSmart 75i air purifier is a bigger air purifier than other top-end air cleaning machines (27 inches in height and 27 lbs. in weight). The bottom-to-top airflow system and the powerful fan effectively draw the polluted air into the air cleaning filters. On the top, you will see a digital LED control panel with several options to operate the air cleaning system easily.

Filtration System

Alen BreatheSmart 75i air purifier offers a high-quality air filtration system for large spaces, including whole apartments and houses. The Tue HEPA filter captures 99.97 % of small airborne pollutant particles, which are 0.3 microns in size, like pollen, pet dander, mold, and spores. The True Fresh filter with activated carbon filter absorbs smoke, cooking odors, bathroom smells, and a fresh indoor environment. The True HEPA Silver filter provides you a clean environment for breathing and protects you from dust, mold, mildew, bacteria, and light odors. The HEPA OdorCell is useful in dealing with heavy odors. This filter effectively removes kids’ diaper smell, garbage smell, and cleans the air in stinky rooms.

Area Coverage

Moreover, the Alen BreatheSmart 75i air purifier offers 1300 square feet of is coverage with 2X and 5X air changes per hour rating (ACH). The clean air delivery rate (CAD) 355 Dust, 350 Smoke, 400 Pollen (cfm).

Noise Level

In addition to its unique features, Alen BreatheSmart 75i is an ultra-quiet air purifier. The minimum noise level at low fan speed is 25 decibels, which is almost equal to the noise level of a whisper. The maximum noise level at high fan speed is 49 decibels, like a quiet office.

Power Consumption

The power consumption of this central air cleaner is 45 watts, which is outstanding. You don’t have to worry about electricity expenses if you run this energy star air purifier 24 hours in your home.

Conclusion

Alen BreatheSmart 75i offers one of the best whole house air filters with ultra-quiet operation and energy-saving capability. The antimicrobial Tue HEPA filter with activated carbon filter and effective layers of HEPA Silver and HEPA OdorCell is a permanent solution for germs, bacteria, allergies, and bad smell in your house or apartment.

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2. Bissell air400 –Ozone Free Best Whole House HEPA Air Purifier in 2021

Bissell air400 –Ozone Free Best Whole House HEPA Air Purifier in 2021Bissell air400 is a smart air purifier with a highly efficient True HEPA filter and activated carbon filter. This air purifier is certified safe by the California Air Resources Board (CARB) and can clean 1200 square feet of the area every 30 minutes in one hour. The Smart CirQulate System monitors the indoor air quality and manages the fan speed.

 

 

 

Pros
  • Covers 1200 sq. ft. Rooms
  • Smart CirQulate System
  • Digital DC Motor
  • Attractive Design
  • Best Air Filtration System
  • Utilizes a PM 2.5 Sensor
Cons
  • Power Consumption is high
  • Noise at High Fan Speed

Bissell air400 offers an elegant design with bottom to top airflow system. You can see the air intake grill on both sides of the air cleaner. The air outlet grill is on the top for a direct throw of fresh air. A control panel is also available with an air outlet grill on the top with several useful operating options. Bissell air400 air purifier is 27 inches in height and 18 inches in width. Thanks to the carry handles, you can easily place it anywhere for a better air filter system for house because it is 26 lbs. in weight.

Filtration System

In the defense line, the Bissell air400 air purifier offers 3 stages of the air cleaning system. The pre-filter captures dust, lint, pet hair, and other large particles. Thanks to the high-efficiency True HEPA filter, the whole home HEPA filter system of Bissell air400 is quite strong. The Tue HEPA filter eliminates 99.97 % of small airborne particles 0.3 microns in size. This HEPA filter effectively kills pollen, mold, spores, mildew, germs, bacteria, and allergies. The honeycombed activated carbon filter absorbs cigarette smoke, cooking smells, volatile organic compounds, and other toxic gases.

Area Coverage

Moreover, the area coverage of Bissell air400 air purifier is 1200 square feet. The air changes per hour rating (ACH) is 1X and 3X. The clean air delivery rate (CADR) is 307 Dust, 279 Smoke, 206 Pollen (cfm).

Noise Level

Bissell air400 is a whisper-quiet air purifier with 30 decibels noise level at low fan speed. The noise level can be higher at high fan speed than other top-rated air purifiers but still acceptable.

Power Consumption

The power consumption of Bissell air400 is high. The DC motor maintains the power consumption at 108 watts and controls the fan speed.

Conclusion

The whole house air filter of Bissell air400 air purifier is powerful enough for removing allergies, dust, and smoke from the living room, bedroom, and basement. This air purifier is also a perfect choice for pet owners.

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3. New Comfort CA-3500 –Outstanding Whole House Air Purification System in 2021

New Comfort CA-3500 –Outstanding Whole House Air Purification System in 2021New Comfort CA-3500 air purifier uses 6 layers of effective filtration system to clean 3000 square feet of area. The combination of HEPA filter and activated carbon filter eradicate mold, spores, bad smells, and smoke from the whole apartment. If you are looking for an affordable air purifier with a whole house air filtration system, New Comfort CA-3500 is a perfect choice. This air purifier secures a position in the list of Amazon’s choice air purifiers with more than 100 customer reviews at the time of writing.

 

 

 

Pros
  • 6 Stages of Air Filtration
  • Affordable Price
  • 2 Ozone Plates
  • Solid Build
  • UV-Light Bulb
  • Ionizer
  • 5 Fan Speed
  • 3 Years Warranty
Cons
  • Not CARB Certified
  • Ozone Generator can be Harmful for Asthma Patients

New Comfort CA-3500 air purifier’s stainless steel body is height and 8 inches in width. This air purifier is a little heavier than other regular air purifiers (16 lbs.). You will see 2 switches for control ionizer, UV fan speed, and ozone generator settings on the front.

Filtration System

In addition to its iconic features, the New Comfort CA-3500 air purifier offers 6 stages of the air cleaning system. The HEPA filter captures 99.97 % of small airborne pollutant particles (0.3 microns in size) like mold, spores, dust mites, pollen, pet dander, and germs. The activated carbon filter absorbs smoke, bad odors, VOCs, toxic gases, and harmful chemicals from all over the house. The UV-light bulb kills germs, bacteria, and viruses.

Ionizer

Moreover, the ionizer emits negative ions and charges the pollutant particles, and kills terrible smells. The Photocatalytic Air purification system of the New Comfort CA-3500 air purifier produces light energy to oxidize pollutant substances. New Comfort CA-3500 can also be used as an ozone generator. When you turn on the ozone generator its kills mold, spores, household odors, germs, bacteria, and viruses.

Area Coverage

New Comfort CA-3500 offers whole home air purification that can clean 3000 square feet without any trouble. The clean air delivery rate CADR is 108 cfm in general.

Noise Level

New Comfort CA-3500 air purifier has 5 fan speed settings for powerful airflow. Therefore, this air cleaner is not for bedroom or quiet places. It would be best to place it in the center or anywhere in your home for better air circulation.

Power Consumption

The power consumption of this air purifier is 45 watts in general. With 5 fan speed levels, I think the New Comfort CA-3500 air purifier’s power consumption is quite outstanding.

Conclusion

New Comfort CA-3500 air purifier is one of the best house air cleaners in 2021. The powerful filtration system is enough to protect you from germs, bacteria, viruses, and harmful chemicals. If you are an asthma patient or having respiratory issues, then the New Comfort CA-3500 air purifier is not suitable for you because of the ozone generator.

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4. Medify Air MA-112 V2.0 –Dual Intake High-Grade Whole House HEPA Filter for Allergies Smog & Odors in 2021

Medify Air MA-112 V2.0 –Dual Intake High Grade Whole House HEPA Filter for Allergies Smog & Odors in 2021Medify Air MA-112 V2.0 is the best house air purifier with a high clean air delivery rate (CADR) and an H13 HEPA filter for killing germs, bacteria, viruses, and other allergens. This powerful air purifier can clean 2400 square feet of the area every 30 minutes in one hour. Medify Air MA-112 V2.0 comes with a lifetime warranty and top-notch performance. I highly recommend this air purifier for whole house, apartment, or office.

 

 

 

Pros
  • High Clean Air Delivery Rate
  • Easy to Use Control Panel
  • CARB Certified
  • Easy Filter Replacement
  • Best HEPA Filter for Whole House
  • Child Safety Lock
  • Sleep Mode
  • Smart Sensor
  • Lifetime Warranty
Cons
  • High Power Consumption
  • Noisy at High Fan Speed

Medify Air MA-112 V2.0 air purifier is 27 inches in height and 15 inches in width with a bigger and better design than its predecessors. The bottom to top airflow system and 360-degree air intake grill draws polluted air into the powerful air filtration system. You will see the air outlet grill on the top with a modern designed control panel. Medify Air MA-112 V2.0 is 35 lbs. in weight but thanks to the hidden wheels and handle on both sides, you can easily move it anywhere in your house.

Filtration System

Medify Air MA-112 V2.0 air purifier offers 4 stages of the air cleaning system. The pre-filter traps dust, lint, human hair, pet hair, and other large particles. The medical-grade H13 True HEPA filter captures 99.97 % of small particles 0.3 microns in size and 99 % of particles 0.1 microns in size like pet dander, pollen, mold, spores, germs, bacteria, virus, and fungi particles. The activated carbon filter absorbs cigarette or weed smoke, toxic gases, wildfire smoke, household odors, and pet smells. The ionizer emits negative ions and traps them in the unit. You can turn off the ionizer if you are an asthma patient or having respiratory issues.

Area Coverage

Moreover, the area coverage of Medify Air MA-112 V2.0 air purifier is 2400 square feet. The air changes per hour rating (ACH) is 2X and 4X. If your house’s area is 3700 square feet, then the whole house air filters of Medify Air MA-112 V2.0 can clean it in one hour. The clean air delivery rate (CADR) is   400 Dust, 450 Smoke, 450 Pollen (cfm).

Noise Level

Medify Air MA-112 V2.0 offers 72 decibels noise level. Although it uses DC motors to keep the operation quiet because of the powerful airflow, the noise level is high at high fan speed. The smart sensor also helps in keeping the noise level minimum, but I recommend using this air purifier at low or medium fan speed.

Power Consumption

As I mentioned earlier, Medify Air MA-112 V2.0 offers high fan power. Therefore, the power consumption at a high fan speed (95 watts) is higher than other air purification systems at the same price range.

Conclusion

Medify Air MA-112 V2.0 deserves the title of best whole house air purifier in 2021 because of its high clean air delivery rate, advanced filtrations system, and 2400 square feet of area coverage. This one unit is a complete solution for allergies, mold, germs, pet dander, smoke, and volatile organic compounds.

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5. Ivation Ozone Generator –Ozone Generator, Ionizer, and Air Purifier for 3500 Square Feet in 2021

Ivation Ozone Generator –Ozone Generator, Ionizer, and Air Purifier for 3500 Square Feet in 2021Ivation is one the best whole house air cleaner and ozone generator with an area capacity of 3500 square feet. This air purifier’s ozone output is 360 mg/hr, which effectively kills allergens, dust, and other irritants. This central air cleaner keeps the indoor air fresh and removes smoke, pet urine smell, cooking smell, harmful chemicals, and weed smoke odor. More than 1700 customers reviewed the Ivation Ozone Generator on Amazon at the time of writing and completely satisfied with its performance.

 

 

 

Pros
  • Instant Air Cleaning
  • Ionizer
  • Best for Odors and Allergens
  • 3500 Square Feet Area Coverage
  • Durable Design
  • Lightweight
Cons
  • Ozone Emission can be Harmful for Health
  • Not for Asthma Patient
  • Cannot use at High Fan Speed in the Presence of Human or Animals

Ivation Ozone Generator offers an elegant and sleek design. The cherry wood body of this air cleaning machine is 15 inches in height and 11 inches in width. You can place it anywhere in your home because it is just 12 lbs. in weight. For a better whole house air purification system, I recommend setting it 4 feet above the ground in the center of your home. From inside, the Ivation Ozone Generator is covered with stainless steel for maximum durability.

Filtration System

Ivation emits 360 mg/hr ozone for eradicating smoke, germs, bacteria, and putrid odors. Ozone is powerful enough to kill MRSA and SARS viruses. Moreover, Ivation also acts as an ionizer. It emits negative ions, charges the pollutant particles, and cleans the air from mold, mildew, smoke, bad odors, and VOCs.

Area Coverage

Ivation Ozone Generator has an area coverage of 3500 square feet. The ten different fan speed throw the ozone in every corner of your home. You can turn off the ozone if you are an asthma patient or have breathing issues. The best way to use the home air purification system is in an unoccupied room, apartment, or house.

Noise Level not mentioned

Power consumption not mentioned

Conclusion

Ivation is one of the best home air filtration system at a reasonable price. However, the direct use of ozone can be harmful to humans and animals. I recommend using this air cleaning machine in the absence of people, pets, and plants.

 

6. GreenTech Environmental pureAir 3000 –Decrease Sickness & Seasonal Allergies with Advanced Air Filtration System in 2021

GreenTech Environmental pureAir 3000 –Decrease Sickness & Seasonal Allergies with Advanced Air Filtration System in 2021GreenTech pureAir 3000 is the best health investment you will ever make because its 4 robust technology and whole house air filter system can clean 3000 square feet of the area from odors, bacteria, and mold. The electrostatic filtration, photocatalytic oxidation, and ionization kill mildew, bacteria, household odors, including pets and cooking smells, and keeps the indoor air clean and fresh. Let’s move forward to the GreenTech pureAir 3000 review.

 

 

 

Pros
  • Photo Catalytic Oxidation
  • Needlepoint Ionization
  • Pulse Ionization
  • Electrostatic Filtration
  • Eliminates Odors of All Kind
  • Variable Area Coverage
  • Fast Action
  • Energy Efficient
Cons
  • Ozone Emission can be Harmful
  • Not for Asthma Sufferers

First of all, GreenTech pureAir 3000 air purifier comes in a unique and compact design. It is just 12.25 inches in height and 9 inches in width. You can easily place this whole house air purifier anywhere because it is very lightweight (11 lbs.). At the front, there is a removable air outlet grill for a direct throw of fresh air. You can also see a control panel at the front with several options like fan speed settings, power options, and purification level settings.

Filtration System

GreenTech pureAir 3000 air purifier offers 4 turbo technology for a powerful defensive line. The photocatalytic oxidation produces plasma for killing 99 % of pollutant particles and dangerous pathogens like bacteria, viruses, odors, and VOCs. The ionizer emits negative ions and pulls down the particles of dust and bacteria from the air. Thanks to the advanced oxidation, GreenTech pureAir 3000 uses ozone to break down VOCs and household odor particles and destroy the pollutants. The electrostatic filter cleans your air purifier from the leftover pollutant particles from ionization and oxidation.

Power Consumption

GreenTech pureAir 3000 air purifier offers 45 watts average power consumption, which quite outstanding and better than other whole house purifiers.

Conclusion

GreenTech pureAir 3000 air purifier is highly effective in dealing with household odors, smoke, harmful chemicals, and mold. Its maximum area coverage is 3000 square feet, but you can also adjust it according to your home or apartment. Best solution for seasonal allergies.

 

7. AIRMEGA AP-2015E(G) 400S –Central Air Purifier with High-Quality Home Air Cleaning System in 2021

AIRMEGA AP-2015E(G) 400S –Central Air Purifier with High Quality Home Air Cleaning System in 2021AIRMEGA AP-2015E(G) 400S air purifier accommodates 1560 square feet of area and cleans the indoor air from 99.97 % of pollutant particles, including smoke, VOCs, and fumes. The combination of True HEPA filter and activated carbon filter eradicate pollen, mold, spores, germs, bacteria, and viruses. The smart features, quiet operation with an efficient air cleaning system make this whole house purifier one of the most desirable air cleaning machines for large spaces.

 

 

 

Pros
  • Excellent Performance
  • Powerful Dual Suction
  • Air Quality Monitoring
  • Smart Technology
  • Filter Indicator
  • Coway IoCare Mobile Application
  • Balance Of Technology And Design
Cons
  • Filter Replacement Cost is High

AIRMEGA AP-2015E(G) 400S air purifier comes in elegant graphite color, 22 inches in height and 14.8 inches in width. The air intake grill is on both sides of the air cleaner for maximum air intake. The air outlet grill is on the top with easy to use control panel. AIRMEGA AP-2015E (G) 400S is 24 lbs. in weight and difficult to move around.

Filtration System

AIRMEGA AP-2015E(G) 400S air purifier offers a permanent pre-filter, True HEPA filter, an activated carbon filter for a whole home air filtration system. The washable pre-filter captures large particles like dust, pet hair, human hair, and lint. The True HEPA filter combines with activated carbon filter traps 99.97 % of small airborne pollutant particles (0.3 microns in size) like pollen, pet dander, mold, spores, smoke, food smells, volatile organic compounds, and toxic gases.

Area Coverage

Moreover, the area coverage of AIRMEGA AP-2015E(G) 400S is 1560 square feet. The air changes per hour rating (ACH) is 2X, and 4X, which means it can clean 1560 square feet are every 30 minutes in one hour. The clean air delivery rate (CADR) is 340 Dust, 350 Smoke, 400 Pollen (cfm).

Noise Level

Despite the high fan power, AIRMEGA AP-2015E (G) 400S offers a very quiet operation. The minimum noise level at low fan speed is 22 decibels. The maximum noise level at high fan speed is 52 decibels. If you want a quiet whole house air cleaning facility, then AIRMEGA AP-2015E(G) 400S is a perfect choice for you.

Power Consumption

The power consumption of this energy-saving air purifier is 64 watts. With high fan power, the power consumption of AIRMEGA AP-2015E(G) 400S is quite reasonable.

Conclusion

You will not be disappointed with the AIRMEGA AP-2015E(G) 400S air purifier’s excellent performance. The filtration system is up to the mark with a high fan power. Moreover, it is ultra-quiet and energy-efficient.

 

8. Austin Air B402A1 –5 Stages Best Whole House Air Purification to Improve Sleep

Austin Air B402A1 –5 Stages Best Whole House Air Purification to Improve Sleep Austin Air B402A1 air purifier is specially designed for dealing with sleep-related issues like night time asthma attacks and COPD symptoms. This air cleaning machine can cover 1500 square feet of area and purify your whole hose every 30 minutes in one hour. The medical-grade True HEPA filter with highly efficient activated carbon filter kills tiny polluted particles, harmful chemicals, and bad odors.

 

 

 

Pros
  • Excellent Performance
  • High Quality Air Filtration System
  • High CADR
  • Durable Design
Cons
  • Noise Level is High
  • Power Consumption is High

Austin Air B402A1 air purifier comes in 23 inches in height and 15 inches in width with bottom to top airflow system. The 360-degree air intake grill draws the maximum amount of air into the powerful filtration system.  The air outlet grill is on the top. Using this whole house air purifier, a simple knob is available on the front for changing fan speed. Austin Air B402A1 is 47 lbs. in weight, but thanks to the 4 wheels, you can easily move it anywhere in your home.

Filtration System

Austin Air B402A1 offers 5 stages of a home air cleaning system. The pre-filter captures large dust, lint, fur, and any large objects. The Medium Particle pre-filter eliminates small to medium pollutant particles like dust, pollen, and pet dander. The medical-grade True HEPA filter eradicates 99.97 % of small airborne pollutant particles (0.3 microns in size) and 95 % of particles 0.1 microns in size. The activated carbon filter with zeolite mixture absorbs smoke, odors, and toxic gases. The HEGA filter, which is more powerful than a regular carbon filter, kills gases, cooking smells, cigarette smoke, and wildfire smoke.

Area Coverage

Moreover, Austin Air B402A1 can clean 1500 square feet of the area every 30 minutes in one hour and 750 square feet of the area every 15 minutes in one hour.  The clean air delivery rate (CADR) is 400 cfm in general, perfect for any standard house in the USA.

Noise Level

This air cleaning machine’s minimum and maximum noise levels are 50 decibels and 67 decibels, respectively. The noise level of Austin Air B402A1 is higher than other whole-house air purifiers.

Power Consumption

When you run this air cleaning machine in your home or apartment, you will face a high power consumption. The minimum and maximum power consumption that I notice is 56 watts and 135 watts, respectively.

Conclusion

Austin Air B402A1 can help you with coughing, sneezing, chest tightness, and sleeping disorder. This air purifier is bedroom-centric because of the high noise level. You can place it in the center of your house for better air filtration.

About Maria A. Davis

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