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 - 57 of 57 items
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Growlink Nutrient System Controller / Doser Growlink Remote Dosing Pump Growlink Remote Pro Relay Panel
Growlink Nutrient System Controller / DoserGrowlink Remote Dosing PumpGrowlink Remote Pro Relay Panel

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.

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.

$898.99

$859.99

$198.99

$189.99

$298.99

$284.99

Growlink Wireless Power Block Growlink Environment Controller iPonic 624 Two Zone Grow Room Controller
Growlink Wireless Power BlockGrowlink Smart Environment - Grow Room Environmental ControlleriPonic 624 Two Zone Grow Room Controller

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.

Controls 2 grow rooms from 1 controller

$98.99

$93.99

$698.99

$664.99

$2,448.99

$2,199.99

iPonic 600 Environmental Controller Bio Wave Indoor Unit Autopilot Greenhouse Master Controller
iPonic 600 Environmental ControllerBioWave Subsonic Harmonic Wave Machine (Indoor Unit)Autopilot Greenhouse Master Controller

All in 1 grow room controller

Increases yield by 20% - up to 1 acre

Controls temperature, humidity & CO2

$1,698.95

$1,399.99

$2,399.95

$2,099.99

$604.95

$549.99

Autopilot Digital CO2 Controller - Fuzzy Logic Autopilot Analog CO2 Controller Autopilot Analog Enviromental Controller
Autopilot Digital CO2 Controller - Fuzzy LogicAutopilot Analog CO2 ControllerAutopilot Analog Enviromental Controller

Very efficient CO2 controller

Economical & simple CO2 control

Controls temperature & humidity

$534.95

$469.99

$294.95

$264.99

$166.95

$154.99

Autopilot Digital Automatic pH Controller Autopilot Desktop CO2 Monitor & Data Logger Titan Controls Mercury 3 - Day/Night Fan Controller
Autopilot Digital Automatic pH ControllerAutopilot Desktop CO2 Monitor & Data LoggerTitan Controls Mercury 3 - Day/Night Fan Controller

Automatically maintains proper pH

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

Automatic controller, based on garden temperature.

$369.95

$332.99

$139.95

$119.99

$122.95

$107.99

Titan Controls Mercury 4 - Multi Function Fan Speed Controller Titan Controls Zephyr 1 - Day/Night Temp Controller Titan Controls Zephyr 2 - High Temp Shut Off
Titan Controls Mercury 4 - Multi Function Fan Speed ControllerTitan Controls Zephyr 1 - Day/Night Temp ControllerTitan Controls Zephyr 2 - High Temp Shut Off

Set fan speed between 25% and 60%.

Use with heating and cooling technologies.

Use with heating and cooling technologies.

$122.95

$107.99

$91.95

$76.99

$91.95

$76.99

Titan Controls Eos 1 - Humidify/Dehumidify Controller Titan Controls Atlas 2 - Preset CO2 Monitor/Controller Titan Controls Atlas 3 - Day/Night CO2 Monitor/Controller
Titan Controls Eos 1 - Humidify/Dehumidify ControllerTitan Controls Atlas 2 - Preset CO2 Monitor/ControllerTitan Controls Atlas 3 - Day/Night CO2 Monitor/Controller

Complete solution for humidity control.

Preset CO2 controller for explosive growth

CO2 controller that offers CO2 enrichment or CO2 exhaust

$128.95

$109.99

$333.95

$269.99

$495.95

$419.99

Titan Controls Atlas 7 - Analog CO2 Controller Titan Controls Atlas 8 - Digital CO2 Controller w/ Fuzzy Logic Titan Controls Saturn 5 - Digital Environmental Controller
Titan Controls Atlas 7 - Analog CO2 ControllerTitan Controls Atlas 8 - Digital CO2 Controller w/ Fuzzy LogicTitan Controls Saturn 5 - Digital Environmental Controller

co2 controls for proper ppm and explosive growth

Digital CO2 controller for efficient CO2 usage.

Controls temperature, humidity and CO2.

$280.95

$229.99

$549.95

$479.99

$236.95

$189.99

Titan Controls Saturn 6 - Digital Environmental Controller Titan Controls Hyperion 1 Wireless Environmental Controller Active Air Fan Speed Adjuster
Titan Controls Saturn 6 - Digital Environmental ControllerTitan Controls Hyperion 1 Wireless Environmental ControllerActive Air Fan Speed Adjuster

Controls temperature, humidity and CO2.

High quality wireless grow room controller, 150' range.

Fan speed controller

$617.95

$549.99

$899.95

$799.99

$24.95

$19.99

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

$59.99

$74.95

$63.99

$99.95

$89.99

Adjustable Recycling Timer Complete Greenhouse Controller w/PPM option Photocontroller, ON at "Night"
Adjustable Recycling TimerComplete Greenhouse Controller w/PPM optionPhotocontroller, ON at "Night"

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

Controls lighting, CO2, pumps, cooling

Turns equipment ON during dark periods

$89.95

$82.95

$439.95

$379.99

$74.95

$59.99

Digital Cooling Thermostat Day/Night Adjustable Fan Speed Controller, 15A Glass Reservoir Heater 50W
Digital Cooling/Heating ThermostatDay/Night Automatic Fan Speed ControllerGlass Reservoir Heater 50W

With separate day & night settings

Temperature-based fan speed controller

Ideal for 15 gallon reservoirs

$86.95

$72.99

$109.95

$94.99

$29.99

$27.99

Glass Reservoir Heater 100W Glass Reservoir Heater 200W Glass Reservoir Heater 300W
Glass Reservoir Heater 100WGlass Reservoir Heater 200WGlass Reservoir Heater 300W

Ideal for 30 gal reservoir

Ideal for 65 gallon reservoir

Ideal for 80 gallon reservoirs

$30.99

$25.99

$35.95

$28.99

$38.95

$31.99

Titanium Submersible Reservoir Heater Jump Start Soil Heating Cable 12' Jump Start Soil Heating Cable 24'
Titanium Submersible Reservoir Heater 350WJump Start Soil Heating Cable 12'Jump Start Soil Heating Cable 24'

Ideal for large reservoirs

Increases soil temperature which leads to explosive growth! Can be arranged to fit any growing area.

Increases soil temperature which leads to explosive growth! Can be arranged to fit any growing area.

$39.95

$34.99

$24.95

$21.99

$29.95

$24.99

Jump Start Soil Heating Cable 48' Hanna BL981411-0 Automatic Mini pH Controller 12v DC Harvest-Master Climate Controller Pro
Jump Start Soil Heating Cable 48'Hanna BL981411-0 Automatic Mini pH Controller 12v DCHarvest-Master Climate Controller Pro

Increases soil temperature which leads to explosive growth! Can be arranged to fit any growing area.

Automatic pH controller - runs on DC power.

Controls lights, CO2, temp, humidity & more

$39.95

$34.99

$235.95

$199.99

$1,997.95

$1,775.99

HydroGEN CO2 Monitor iGS-221 CO2/RH/Temp Controller Day/Night Settings iGS-220 CO2/RH/Temperature Smart Controller
Hydro Innovations Universal CO2 MonitoriGS-221 CO2/RH/Temp Controller Day/Night SettingsiGS-220 CO2/RH/Temperature Smart Controller

CO2 monitor & controller

Complete environmental control

Controls temperature, humidity & CO2

$407.95

$329.99

$999.99

$919.99

$679.95

$619.99

iGS-100 CO2 Auxiliary Smart Controller iGS-061 CO2 Smart Controller with High-Temp shut-off iGS-110 Relative Humidity/Temperature Controller
iGS-100 CO2 Auxiliary Smart ControlleriGS-061 CO2 Smart Controller with High-Temp shut-offiGS-110 Relative Humidity/Temperature Controller

Controls CO2

CO2 controller with high-temp shut-off

Controls temperature & humidity

$509.95

$439.99

$499.95

$419.99

$439.95

$329.99

iGS-012 High Temperature Watchdog with Adjustable Delay Dial-A-Temp Fan Speed Controller iPonic 50' Extension Cable
iGS-012 High Temperature Watchdog with Adjustable DelayDial-A-Temp Fan Speed ControlleriPonic 50' Extension Cable

Protects plants from high temperatures

Fan speed controller

Extends the reach of your iPonic controller

$99.99

$89.99

$32.95

$28.99

$84.95

$79.99

DC Adapter 120 Vac - 12 Vdc, All iGS Controllers Titan Controls Saturn 6 RS45 Cable & Software Autopilot Internet Cable and Software for APCECOTH
DC Adapter 120 Vac - 12 Vdc, All iGS ControllersTitan Controls Saturn 6 RS45 Cable & SoftwareAutopilot Internet Cable and Software for APCECOTH

AC to DC adapter for all IGS controllers

use in conjunction with Saturn 6 DEC

Works with the Autopilot Greenhouse Master Controller. Allows you to monitor and control your grow room remotely.

$19.95

$17.99

$71.95

$59.99

$64.95

$54.99

1 - 57 of 57 items