Environmental Controls

Got questions about climate control and CO2? Check out GYO's guide to Climate Control for your grow room.

Need help finding the best equipment for your garden? Call the grow pro's at (617) 945-1654. We're here to help.

1 - 60 of 86 items
Sort By:
Growlink Nest Outdoor Camera Growlink Nutrient System Controller / Doser Growlink Remote Dosing Pump
Growlink Nest Outdoor CameraGrowlink Nutrient System Controller / DoserGrowlink Remote Dosing Pump

Monitor your grow remotely and create a time-lapse movie of your plants as they grow and bloom. Capture plants health, growth rate and all behaviors regarding the actions that are being taken over them.

Manage your nutrient and pH levels, set remote alarms and access your system remotely with your smartphone. Dose up to a 16 part blend (nutrients, additives, pH), maintaining your preset EC and pH settings.

Add up to 16 remote pump modules to automate the delivery of pH and nutrients, based on sensor readings, timers or schedules.

$198.99

$189.99

$898.99

$859.99

$198.99

$189.99

Growlink Remote Pro Relay Panel Growlink Wireless Power Block Growlink Environment Controller
Growlink Remote Pro Relay PanelGrowlink Wireless Power BlockGrowlink Smart Environment - Grow Room Environmental Controller

Six independent relays with wireless communication to Growlink controllers. Perfect to switch third-party relays and contactors in electrical panels, heating and cooling systems, solenoid valves, pumps, etc.

Power Blocks connect wirelessly to both Environment and Nutrient Controllers which tells them when to turn on and off, based on sensor reading, timers or schedules.

Allows you to see, monitor and control a grow operation from anywhere using your smartphone.

$298.99

$284.99

$98.99

$698.99

$664.99

iPonic 624 Two Zone Grow Room Controller iPonic 600 Environmental Controller Bio Wave Indoor Unit
iPonic 624 Two Zone Grow Room ControlleriPonic 600 Environmental ControllerBioWave Subsonic Harmonic Wave Machine (Indoor Unit)

Controls 2 grow rooms from 1 controller

All in 1 grow room controller

Increases yield by 20% - up to 1 acre

$2,448.99

$2,199.99

$1,698.95

$1,499.99

$2,399.95

$2,099.99

Autopilot Greenhouse Master Controller Autopilot Digital CO2 Controller - Fuzzy Logic Autopilot Analog CO2 Controller
Autopilot Greenhouse Master ControllerAutopilot Digital CO2 Controller - Fuzzy LogicAutopilot Analog CO2 Controller

Controls temperature, humidity & CO2

Very efficient CO2 controller

Economical & simple CO2 control

$604.95

$549.99

$534.95

$469.99

$294.95

$264.99

Autopilot Digital Environmental Controller Autopilot Analog Enviromental Controller Autopilot Digital Automatic pH Controller
Autopilot Digital Environmental ControllerAutopilot Analog Enviromental ControllerAutopilot Digital Automatic pH Controller

Controls temperature & humidity

Controls temperature & humidity

Automatically maintains proper pH

$229.95

$209.99

$184.95

$169.99

$369.95

$332.99

Autopilot pH Controller Sampling Kit Autopilot Desktop CO2 Monitor Autopilot Desktop CO2 Monitor & Data Logger
Autopilot pH Controller Sampling KitAutopilot Desktop CO2 MonitorAutopilot Desktop CO2 Monitor & Data Logger

For use with the Autopilot Digital pH Controller.

Measures CO2, temperature & humidity.

Measures CO2, temperature & humidity. Has data logging capability.

$74.95

$69.99

$134.95

$124.99

$139.95

$129.99

Autopilot Master Digital Timer Titan Controls Mercury 2 - Fan Speed Controller Titan Controls Mercury 3 - Day/Night Fan Controller
Autopilot Master Digital TimerTitan Controls Mercury 2 - Fan Speed ControllerTitan Controls Mercury 3 - Day/Night Fan Controller

Controls (2) 600W lights and includes a cycle timer. Perfect for a 2-light ebb & flow garden.

Accurate fan speed controller from 10-100%.

Automatic controller, based on garden temperature.

$189.95

$174.99

$75.95

$69.99

$116.95

$104.99

Titan Controls Mercury 4 - Multi Function Fan Speed Controller Titan Controls Spartan Series - Cooling Controller Titan Controls Zephyr 1 - Day/Night Temp Controller
Titan Controls Mercury 4 - Multi Function Fan Speed ControllerTitan Controls Spartan Series - Cooling ControllerTitan Controls Zephyr 1 - Day/Night Temp Controller

Set fan speed between 25% and 60%.

Designed for use with exhaust fans

Use with heating and cooling technologies.

$116.95

$104.99

$74.95

$67.99

$89.95

$80.99

Titan Controls Zephyr 2 - High Temp Shut Off Titan Control Zephyr 3 - Cooling/Heating Controller Titan Controls Zephyr 4 - Cooling Thermostat Fan Control
Titan Controls Zephyr 2 - High Temp Shut OffTitan Controls Zephyr 3 - Cooling/Heating ControllerTitan Controls Zephyr 4 - Cooling Thermostat Fan Control

Use with heating and cooling technologies.

Use with heating and cooling technologies.

Use with fan for cooling.

$89.95

$80.99

$101.95

$91.99

$79.95

$71.99

Titan Controls Kronus 2 - Temperature & Humidity Controller Titan Controls Kronus 4 - Temperature & Humidity Controller w/ Night Outlet Titan Controls Eos 1 - Humidify/Dehumidify Controller
Titan Controls Kronus 2 - Temperature & Humidity ControllerTitan Controls Kronus 4 - Temperature & Humidity ControllerTitan Controls Eos 1 - Humidify/Dehumidify Controller

Controls temperature, humidity and CO2 intregration.

Controls temperature and humidity and CO2 intregration using independent temperature and humidity outlets.

Complete solution for humidity control.

$369.95

$424.95

$128.95

$115.99

Titan Controls Temperature & Humidity Sensor w/ Photocell Titan Controls Atlas 1 - Adjustable CO2 Monitor/Controller Titan Controls Atlas 2 - Preset CO2 Monitor/Controller
Titan Controls Temperature & Humidity Sensor w/ PhotocellTitan Controls Atlas 1 - Adjustable CO2 Monitor/ControllerTitan Controls Atlas 2 - Preset CO2 Monitor/Controller

For use with Titan Controls Kronus 2 & 4 controllers.

Controls CO2 for proper ppm and explosive growth

Preset CO2 controller for explosive growth

$99.95

$89.99

$599.95

$333.95

Titan Controls Atlas 3 - Day/Night CO2 Monitor/Controller Titan Controls Atlas 5 - Handheld CO2/Temp/Humidity Monitor Titan Controls Atlas 7 - Analog CO2 Controller
Titan Controls Atlas 3 - Day/Night CO2 Monitor/ControllerTitan Controls Atlas 5 - Handheld CO2/Temp/Humidity MonitorTitan Controls Atlas 7 - Analog CO2 Controller

CO2 controller that offers CO2 enrichment or CO2 exhaust

Handheld environment monitor: CO2, temperature & humidity

co2 controls for proper ppm and explosive growth

$495.95

$319.95

$266.95

$239.99

Titan Controls Atlas 8 - Digital CO2 Controller w/ Fuzzy Logic Titan Controls Saturn 3 - Environmental Controller Titan Controls Saturn 4 - Environmental Controller
Titan Controls Atlas 8 - Digital CO2 Controller w/ Fuzzy LogicTitan Controls Saturn 3 - Environmental ControllerTitan Controls Saturn 4 - Environmental Controller

Digital CO2 controller for efficient CO2 usage.

Controls temperature, humidity and CO2.

Controls temperature, humidity and CO2.

$549.95

$674.95

$184.95

$166.99

Titan Controls Saturn 5 - Digital Environmental Controller Titan Controls Saturn 6 - Digital Environmental Controller Titan Controls Hyperion 1 Wireless Environmental Controller
Titan Controls Saturn 5 - Digital Environmental ControllerTitan Controls Saturn 6 - Digital Environmental ControllerTitan Controls Hyperion 1 Wireless Environmental Controller

Controls temperature, humidity and CO2.

Controls temperature, humidity and CO2.

High quality wireless grow room controller, 150' range.

$227.95

$204.99

$617.95

$899.95

Titan Controls Hercules 2 - 50 Amp Controller Titan Controls NYX 1 - Day/Night Photocontroller Active Air Fan Speed Adjuster
Titan Controls Hercules 2 - 50 Amp ControllerTitan Controls NYX 1 - Day/Night PhotocontrollerActive Air Fan Speed Adjuster

Lets you control any high amperage device with a 120v timer or controller.

Day/night controller for lights and fans.

Fan speed controller

$199.95

$179.99

$114.95

$99.99

$27.95

$25.99

Autopilot Analog 24hr Day & Night Cooling/Heating Thermometer Autopilot Analog 24 Hour Recycling Timer Hyper Fan Temperature Speed Controller
Autopilot Analog 24hr Day & Night Cooling/Heating ThermometerAutopilot Analog 24 Hour Recycling TimerHyper Fan Temperature Speed Controller

Controls heating & cooling equipment

Controls pumps, fans, CO2 & more.

Thermostatically changes the fans RPM / speed as needed.

$69.95

$64.99

$74.95

$69.99

$99.95

$92.99

Adjustable Recycling Timer Complete Greenhouse Controller w/PPM option Co2 Controller PPM/temp/hum,2-timer,10A@120vac
Adjustable Recycling TimerComplete Greenhouse Controller w/PPM optionCO2 Controller PPM/temp/humidity, Timer-Based

Adjustable cycle timer. Ideal for pumps, fans, CO2 and more.

Controls lighting, CO2, pumps, cooling

Timer-based CO2/temp controller.

$89.95

$82.95

$439.95

$379.99

$279.95

$249.99

Non-Adjustable Timer, 3 Minutes On/5 Mminutes Off Photocontroller, ON at "Night" Digital Cooling Thermostat
NFT-2 Non-Adjustable Timer, 3 Minutes On/5 Mminutes OffPhotocontroller, ON at "Night"Digital Cooling/Heating Thermostat

Cycle timer - 3 minutes on, 5 minutes off.

Turns equipment ON during dark periods

With separate day & night settings

$71.95

$64.99

$74.95

$59.99

$86.95

$78.99

Day/Night Adjustable Fan Speed Controller, 15A Glass Reservoir Heater 50W Glass Reservoir Heater 100W
Day/Night Automatic Fan Speed ControllerGlass Reservoir Heater 50WGlass Reservoir Heater 100W

Temperature-based fan speed controller

Ideal for 15 gallon reservoirs

Ideal for 30 gal reservoir

$109.95

$99.99

$29.99

$27.99

$30.99

$28.99

Glass Reservoir Heater 200W Glass Reservoir Heater 300W Titanium Submersible Reservoir Heater
Glass Reservoir Heater 200WGlass Reservoir Heater 300WTitanium Submersible Reservoir Heater 350W

Ideal for 65 gallon reservoir

Ideal for 80 gallon reservoirs

Ideal for large reservoirs

$35.99

$32.99

$38.99

$35.99

$39.95

$35.99

1 - 60 of 86 items