Air Doctor Air Purifier 5500

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The Air Doctor air purifier 5500 circulates the air in 1,043 sq. ft. 4x/ hour or in 2,086 sq. ft. 2x/hour and is good for extra large spaces, high ceilings, and open concepts. It uses a dual 3-stage filtration system, including two UltraHEPA filters, and should be effective at filtering ultrafine particles such as mycotoxins and viruses. The regular price is $999, but you can buy it at a significant discount by clicking on the purple button. For more information, read below.

More info

AD 5500 dual 3-stage filtration system (read about AD Smart 5500i below):

  • Two pre-filters for larger contaminants like dust and animal hair; can be vacuumed or hand-washed to be reused.
  • Two Carbon/Gas Trap/VOC filters that combine two types of media – activated carbon (1.65 lbs each, 3.3 lbs in total) to remove odors and gases (e.g., smoke) and potassium permanganate to deactivate certain volatile organic compounds (VOCs) like formaldehyde; filter replacement- every 6 months.
  • Two UltraHEPA filters that remove 100% of airborne particles at 0.003 microns (to compare, HEPA filters (like in Austin Air purifiers) remove 99.97% of particles down to 0.3 microns and 95% of particles 0.1 microns and larger); filter replacement – once a year.

The unit should be effective at filtering ultrafine particles such as mycotoxins and viruses (e.g., COVID-19). It also captures mold spores but does not eliminate mold (to eliminate mold, its sources should be professionally remediated). The WhisperJet fan is potentially 30% quieter than the fans in air purifiers by other brands. Return policy: 30-day full refund

In addition to the dual 3-stage filtration system, the AD Smart 5500i features Wi-Fi connection and some Wi-Fi benefits. The regular price is $1,049, but with my link you can purchase it at a significant discount. The Wi-Fi benefits include:

  • Indoor Air Quality Alerts
  • Local Weather & Allergy Monitoring
  • Filter Change Alerts – No more guesswork!
  • Indoor Temperature & Humidity Monitoring
  • Control AirDoctor From Anywhere
  • Shared Purifier Control with Others

The California Air Resources Board categorizes both AD 5500 and AD 5500i as “electronic” air cleaners meaning that they may be capable of generating potentially harmful ozone. But they have been tested and found to produce an ozone emission concentration of less than 0.05 parts per million. The ionizing setting can be turned on and turned off. 

Learn how to protect your health from smoke in the air.

To learn how Air Doctor compares with other air purifiers, visit our Comprehensive Guide to Mobile Air Purifiers.