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AirDoctor 4000 is a premium air purifier designed for large rooms and open-concept living spaces.
Overview
The AirDoctor 4000 features a 3-stage filtration system with an UltraHEPA® filter and Premium Carbon/VOC filter to address airborne particles, gases, odors, and volatile organic compounds (VOCs). It is designed to circulate air in spaces up to 694 sq. ft. four times per hour for continuous air purification. The AD4000 Classic model includes Auto Mode and a 24-hour timer, with a Smart model available for mobile app control.
Key Details
AD4000 Classic model
White finish
Designed for large rooms and open-concept spaces
Covers up to 694 sq. ft. at 4 air changes per hour
Advanced 3-stage filtration system
UltraHEPA® filter
Premium Carbon/VOC filter
Auto Mode adjusts filtration based on detected air quality
24-hour timer
Smart model upgrade available with mobile app control
UltraHEPA® independently tested to capture 99.99% of airborne particles as small as 0.003 microns
Why Choose This

AirDoctor 4000 is a premium air purifier designed for large rooms and open-concept living spaces.
Overview
The AirDoctor 4000 features a 3-stage filtration system with an UltraHEPA® filter and Premium Carbon/VOC filter to address airborne particles, gases, odors, and volatile organic compounds (VOCs). It is designed to circulate air in spaces up to 694 sq. ft. four times per hour for continuous air purification. The AD4000 Classic model includes Auto Mode and a 24-hour timer, with a Smart model available for mobile app control.
Key Details
AD4000 Classic model
White finish
Designed for large rooms and open-concept spaces
Covers up to 694 sq. ft. at 4 air changes per hour
Advanced 3-stage filtration system
UltraHEPA® filter
Premium Carbon/VOC filter
Auto Mode adjusts filtration based on detected air quality
24-hour timer
Smart model upgrade available with mobile app control
UltraHEPA® independently tested to capture 99.99% of airborne particles as small as 0.003 microns
Why Choose This