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.
Cadr air purifier ratings.
Cadr the clean air delivery rate is a metric that was developed as a way of measuring the performance of residential air purifiers the cadr rating reflects the volume of air in cfm cubic feet per minute that is cleaned of particles of certain sizes.
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.
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.
Aham suggested room size for this air purifier is 465 square feet where you will get 5 air changes per hour.
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.
Air purifier cadr ratings.
The high airflow rate is capable of cleaning a 775 square feet of rooms three times an hour.
The air purifier has a tobacco smoke cadr rating of 300 cfm.
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.