The most popular controllers in north america 

ultra simple  experience

No bells and whistles, just connect your Grozone Control CO2 controller and you're set! This is Grozone's beginner solution for growers looking for affordable and easy-to-use CO2 controller and Grozone Control climate controller.

multi room  experience

Grozone Control Climate Controller

Special operating mode to operate two zones with only one CO2 generator.
Zone remote sensors include 25-ft cables.
Affordable alternative when operating multiple zones



User can select one among five preset CO2 control values (1000, 1125, 1250, 1375 and 1500 PPM).


Controls the CO2 levels in two zones (or two rooms) simultaneously.