There is a large group of allergies triggered by airborne allergens - microscopic particulates floating in the air, such as:
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Mechanical air filtration is the easiest and the most effective way of removal airborne allergens out of the air.
True HEPA filter has a guaranteed efficiency of over 99.97% in trapping all microscopic allergens and dust from the passing through air as small as down to 0.3 micron in size.
This includes all allergens and lung damaging dust known to trigger the allergic reactions.
Therefore, large particulate filter is the most critical part of the air filtration system in air purifiers for allergy and asthma sufferers.
The size of True HEPA filter, the filter making process (warm or cold rolled), the quality of filter seal gaskets are the main factors that directly affect the air filtration efficiency and the air filtration capacity of air purifiers for allergies and asthma.
The size of True HEPA filter directly affects the amount of solid airborne contaminants (allergens) it can trap and ultimately, the HEPA filter's lifetime.
There are higher efficiency particle filters available in air purifiers for trapping sub-micron particles, such as:
However, the utilization of a tighter Super HEPA and, especially ULPA filter instead of True HEPA filter may result in a reduced air flow and the lower number of air changes per hour (ACH) due to a higher back pressure from a more dense filter media.
Maintaining the allergen-free air requires that the air purifier draw the entire volume of air in the room through the air filtration system few times an hour.
The number of Air Changes per Hour (ACH), indicating how many times per hour the air purifier can draw the entire volume of polluted air through the air filtration system is another factor of major importance.
It directly affects the rate of removal of air pollutants and the size of a maximum cleaning area, in which the air purifier can effectively maintain allergen-free environment.
The typical number of air changes per hour (ACH) required for allergy and asthma sufferers is 2. The higher number of air changes per hour may be needed for individuals with elevated sensitivity and severity of the allergic reaction.
For that reason, the air purifiers equipped with more powerful motor/fan and having a higher Air Flow Rating - CADR (Clean Air Delivery Rate) can provide the higher number of air changes per hour (ACH), and, therefore are better Air purifiers for Allergies and Asthma.
Our top pick Air Purifiers for Allergies and Asthma employ the largest size True HEPA or Super HEPA particle filter and a powerful motor / fan with a High Air Flow rating in the group.
Sharp FP-F50UW (FPF50UW) PCI the compact Sharp air purifier features Sharp FP-F50UW 2-in-1 HEPA and Carbon filter and Sharp Plasmacluster Ion generator for effective medium room air purification.
Amaircare Roomaid Mini is a compact version of Amaircare Roomaid multi-purpose Amaircare air purifier for residential, office and automotive air cleaning applications.
Amaircare Roomaid is Amaircare popular Multi-purpose compact HEPA Amaircare air purifier for residential, office and automotive air cleaning applications.
Amaircare 2500 ET Easy-Twist is Amaircare 2500 original air purifier equipped with Amaircare 2500 ET Easy-Twist HEPA filter and a new Digital touch-pad control for large rooms.
Sharp KC-860U (KC860U) PCI air purifier combines Sharp air treatment technologies which enable Sharp KC-860U effectively purify, humidify and sterilize the air in very large rooms quietly, fully automatically at a minimal cost.
Austin Air Allergy Machine Junior the compact version of Austin Air Allergy Machine makes an ideal Austin Air purifier for effective protection of Allergy and Asthma sufferers from exposure to airborne allergens in areas up to 750 sq. ft.
Sharp FPF60UW (FP-F60UW) PCI air purifier employs Sharp FPF60UW True HEPA and Carbon filters along with Sharp PCI (Plasmacluster Ion) generator to provide effective large room air purification.
Air Purifier Model | HEPA Filter, sq. ft. | Carbon Filter, lbs. | Air Flow Rate, cfm |
Amaircare 3000 | >100 | Carbon blanket / 6.5 lbs. (opt.) | 450 |
Airpura I600 | 100 | Carbon blanket (opt.) | 560 |
Austin HealthMate Allergy Machine | 60 | Carbon blanket, HEGA | 400 |
Airpura H600 | 40 | Carbon blanket | 560 |
Amaircare 3000 ET (Easy-Twist) HEPA Air Purifier is Amaircare 3000 original HEPA air purifier upgraded with Amaircare 3000 Easy-Twist True HEPA filter and the Amaircare Digital Touch-Pad control for Very large rooms. AirPura I600 features the AirPura I600 exclusive oversize True HEPA filter for large scale allergen removal, which makes the AirPura I600 an ideal air purifier for severe Allergy and Asthma sufferers and for diverse Healthcare air cleaning applications. Austin Air Allergy Machine HEPA air purifier employs the Austin Air Allergy Machine large HEPA filter with Austin Air lightweight HEGA filter and focuses on bringing relief to Allergy and Asthma sufferers. AirPura H600 features the AirPura H600 Premium True HEPA filter and a powerful AirPura motor/fan making the AirPura H600 an ideal air purifier for bringing relief to Allergy and Asthma sufferers in large open areas under 2000 sq. ft. Amaircare 3000 ET (Easy-Twist) HEPA Air Purifier
AirPura I600 Large Scale Allergen Removal Air Purifier
Austin Air Allergy Machine HEPA Air Purifier HM405
AirPura H600 Allergy and Asthma Relief Air Purifier
Air Purifier Model | HEPA Filter, sq. ft. | Carbon Filter, lbs. | Air Flow Rate, cfm |
Amaircare AirWash MultiPro BOSS | 100 x 2 | 6.5 lbs. VOC Canister x 2 | 2500 |
Amaircare 7500 Cart | 100 x 2 | 6.5 lbs. VOC Canister x 2 | 1400 |
Amaircare 6000V Cart | 100 | 6.5 lbs. VOC Canister | 800 |
Amaircare AirWash MultiPro | 80 | 5.5 lbs. VOC Canister | 1300 |
Amaircare AirWash MultiPro BOSS with double capacity of Amaircare AirWash MultiPro unit and the AirWash MultiPro BOSS Dual fan system is the most powerful and versatile Amaircare Heavy duty air purifier for commercial and industrial applications. Amaircare 6000V AirWash Cart is the Amaircare Heavy Duty Cart mounted air purifier with the Amaircare 6000V HEPA and Carbon filters for a wide variety of commercial, institutional and industrial air cleaning applications.Discontinued! Get AirWash MultiPro or AirWash MultiPro BOSS instead. Amaircare 7500 AirWash Cart Extra powerful Heavy duty Amaircare air purifier features the Amaircare 7500 AirWash Cart Dual air filtration systems making Amaircare 7500 AirWash Cart the ultimate Super Heavy duty air purifier.Discontinued! Get AirWash MultiPro BOSS instead. Amaircare AirWash MultiPro featuring the Amaircare AirWash MultiPro customizable filters, the Amaircare powerful fan and the Amaircare AirWash MultiPro unique modular stackable design is an ideal Heavy duty contractors air scrubber air purifier. Amaircare AirWash MultiPro BOSS Heavy Duty Air Purifier
Amaircare 6000V AirWash Cart Heavy Duty Air Purifier
Amaircare 7500 AirWash Cart Super Heavy Duty Air Purifier
Amaircare AirWash MultiPro Heavy Duty Contractors Air Scrubber Air Purifier