Cadr Air Purifier Ratings

Air purifier cadr ratings.

Cadr air purifier ratings.

Clean air delivery rate cadr clean air delivery rate cadr ratings were developed by the association of home appliance manufacturers aham in the 1980s as a way for the general public to navigate the claims made by air purifiers. Combined with 360 degree air intake and its powerful motor the blueair blue pure 211 is an air purifier that performs brilliantly and has the cadr ratings to back it up. Most air purifiers have a clean air delivery rate cadr number that helps consumers understand how effective the device is in a certain room size. It s a relatively expensive system which means its lack of air quality sensor and auto mode is disappointing but it s still a great air purifier that shouldn t be overlooked.

To achieve the energy star designation the air purifier must have a dust cadr rating that is at least 2 times the power on the highest fan speed. The higher the number. The high airflow rate is capable of cleaning a 775 square feet of rooms three times an hour. Aham suggested room size for this air purifier is 465 square feet where you will get 5 air changes per hour.

So if the air purifiers draws 100 watts on the high fan speed it must have a dust cadr of at least 200.