If you’re not moving the air, you’re not cleaning the air. Experts recommend at least 4 air changes per hour for optimal removal of airborne particles from the air. You can rest assured that AirDoctor purifiers are powerful enough to clean the air 4 times per hour, or every 15 minutes, for their respective room size coverage to deliver you pure, protected air. Many air purifiers base their room size coverage on only 1-2 air changes per hour (ACH). It is important to check that an air purifier has a high enough CADR to circulate the air in the room at least four times per hour.

CADR stands for Clean Air Delivery Rate. CADR helps tell you how much of a particular contaminant is removed from the air within a specific period of time, and it creates an objective rating that allows consumers to compare one air purifier to another based on standardized testing. There are 3 pollutants that CADR measures, which are representative of different size particles, and they are: POLLEN, which represents larger particles (20 microns); DUST, which represents medium sized particles (5 microns); and SMOKE, which represents some of the smallest particles (0.1-1 microns). Since CADR represents the filtered airflow, this can be translated to understand square footage for a room size to be cleaned as well as necessary air changes per hour. The higher the CADR numbers, the better the overall ability of the unit to clean your indoor air and the faster the air in the room will be cleaned. You want to be most concerned with the smoke CADR number since that rating represents the removal of the smallest and most dangerous particles.

AirDoctor’s UltraHEPA air purification technology was independently tested and shown to remove 99.97% of live airborne SARS-CoV-2 (COVID-19) from the air. These successful results were achieved using the live aerosolized SARS-CoV-2 virus on the AirDoctor 3000 purifier in a test chamber and conducted by U.S.-based MRIGlobal, an independent, not-for-profit contract research organization.<br>These results built on AirDoctor’s previous independent laboratory testing that showed AirDoctor purifiers remove a variety of bacteria and viruses, including H1N1 influenza, and airborne particles as small as 0.003 microns.<br>AirDoctor is not proven to kill or prevent transmission of SARS-CoV-2 (COVID-19). AirDoctor recommends using PPE &amp; following directions of the CDC &amp; other government authorities.

Our compact AirDoctor 1000 purifies the air in smaller spaces like a guest bedroom, kid’s room or office, changing the air in up to 285 square feet 4 times per hour, or every 15 minutes.

Smaller and cuter version of the AirDoctor 3000, the AirDoctor 2000/2000i perfect for small living rooms, medium/small bedrooms, nurseries, home offices and more. Circulates the air in a 305 square feet room four times per hour, or every 15 minutes.

Our classic AirDoctor 3500/3500i cleans the air in large spaces like master bedrooms, living rooms, kitchens and more, changing the air in up to 638 square feet four times per hour, or every 15 minutes.

AirDoctor 5500/5500i can tackle the contaminants in extra-large spaces like open concept living rooms and high ceiling great rooms, changing the air in up to 1,001 square feet 4 times per hour, or every 15 minutes.

<b>AirDoctor 1000:</b> Based on 24/7 usage, the UltraHEPA® filter and Carbon/VOC filter in AirDoctor 1000 both need to be replaced approximately every 6 months. We recommend changing your filters whenever your Change Filter Alert indicator light signals for a filter replacement. <br><br><b>AirDoctor 2000:</b> Based on 24/7 operation, the Carbon/VOC filter should be replaced every 6 months and the UltraHEPA® filter should be replaced every 12 months. We recommend replacing filters when your Filter Change Alert indicator light signals for a filter replacement. <br> <br><b>AirDoctor 3000/3500:</b> Based on 24/7 operation, the Carbon/VOC filter should be replaced every 6 months and the UltraHEPA® filter should be replaced every 12 months. We recommend replacing filters when your Filter Change Alert indicator light signals for a filter replacement.<br><br><b>AirDoctor 5000/5500:</b> Based on 24/7 operation, the Carbon/VOC filter should be replaced every 6 months and the UltraHEPA® filter should be replaced every 12 months. We recommend replacing filters when your Filter Change Alert indicator light signals for a filter replacement.

Try AirDoctor in your home for 30 days with our Breathe Easy Guarantee. If you do not love it, simply contact us to return the product and receive a full refund of your purchase price, less shipping and processing. No questions asked.

Yes, we’ve partnered with Affirm, so if you’re interested in a payment plan option, just select the Affirm payment option at checkout and follow the instructions. Various purchase plans are available based on approval. Regretfully, Affirm is NOT available in Iowa or West Virginia due to state-specific financial regulations.