eFlow USA and American Aldes Constant Airflow Regulator Product Comparison

eFlowUSA Constant Airflow Regulator Direct Supplier
eFlow USA and American Aldes Constant Airflow Regulator (CAR) Product Comparison Chart

eFlow-CAR is the next generation Constant Airflow Regulator. Designed by the same engineers, who 20 years earlier
developed the Aldes-CAR, the eFlow-CAR is more efficient, simpler to use, more precise, more reliable and more affordable.

Product Comparisson Aldes-CAR eFlow-CAR
Year Developed 1993 2013
Invented by Lauren and Christian Barbarin
Self-Regulating airflow-regulators for commercial and residential buildings 
Low-Cost Solution for balancing ventilation systems
Classified UL R38307/UL-2043 for heat release rate and smoke optical density
Energy and Cost Efficient
No Electricity Required
Mitigates Stack Effect
Factory Calibrated
Bi-Directional enabling Supply and Exhaust Applications
Available 3″ CAR (10-30 CFM Adjustable Airflow Setting) wtih special metal sleeve
(casting) for easy installation and access
3″CAR(10-30 CEM)
4″CAR(30-60 CEM)
5″CAR(60-105 CEM)
6″CAR(105-175 CEM)
8″CAR(175-295 CEM)
10″CAR(265-470 CEM)
Screw-Adjustable Airflow Setting
CAR Face printed reference points to indicate:
Low Pressure (.08-.4w.c./20-100 Pa)
Standard Pressure (.2-1 w.c./50-250 Pa)
High Pressure (.6-2.4 w.c./150-600 Pa)
Allows for up to 20 Field-Adjustable CFM setpoints  
CFM (CMH) Numeric Value Reference points clearly visible on face of the device  
Requires removable (easy to misplace) and unmarked Aero-Clips to adjust CFM setpoin  
Tamper Proof Screw on the face of device used to adjust CFM setpoint  
Device includes loose parts  
Precise CFM setpoint  
Accessible and Adjustable through grill  
East to Install and Adjust  
Competitively Priced  
Requires no maintenance under normal conditions
Easy Online Ordering  
In Stock-Ships next business day  
Dedicated Technical Support Available 7 days a week  
Available Warranty 5 Years 6 Years


eFlow USA, LLC, 184 S. Livingston Avenue, STE 9107, Livingston, NJ 07039, www.eflowusa.net, 1-833-FLOW-USA