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Fan Speed Controllers
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Running anything at full tilt is going to reduce its life span; your duct fans are no different!
With a fan controller, you can control how hard/fast air moves in/out of your grow space - get a temperature-controlled controller, and it'll only turn up to max when it needs to! Upgrade to the AC/EC GAS Fan controller, and it'll also manage ramp up when your humidity rises (exhausting the air faster).
Many options available to you depending on your budget/needs, but here is a guide of options running from basic to fully automated.
Basic fan dimmer - manual dial to manage one fan
SMS 6.5A Smart Controller - set the min/max speed of one fan based on temperature
SMS Twin Fan Speed Controller - manages intake and outtake based on temperature
Global Air AC/EC Fan Speed Controller - manages intake and outtake speed based on temperature, humidity, and many other options to dial in your environment.
Global Air Enviro Controller - ultimate control; manage intake and outtake speed, lights, heaters and humidifiers!
Fan controllers will really help dial in your room so your plants can thrive and flourish.
