Automate your greenhouse ventilation system with our quality climate controls including wired and plug-in thermostats, humidity controllers, cycle timers and more. Automating greenhouse cooling and ventilation is important for maintaining the optimal environment for plants. Choose from a variety of dependable and precise climate controls below.


Products 1-24 of 24
Show
AC Infinity 69 Pro WIFI Outlet Controller ac, infinity, CTR69P, thermostat, controller, greenhouse, humidity, temperature, control, wifi, bluetooth, pro, 69, smart, app, phone, humidistat, timer
Price: $99.00
review-star review-star review-star review-star review-star
(2)
Availability: In Stock - Usually ships in 1 to 2 days.
Item #: 4821310 -

    The AC Infinity 69 Pro controller connects with up to four different devices from fans and heaters to misting and lights and provides each with shared or independent temperature, humidity, or time-based programming. Simply add the number of AC Infinity control outlets you need for your system (4 max) when you order. Control outlets can be plugged into any standard 120v electrical receptacle (Even on different electrical circuits) up to 10' from the 69 Pro controller (Cord extensions are...

    AC Infinity Control Outlet / Plug ac, infinity, AC-ADA3, outlet, controller, greenhouse, plug, plug-in, control, , pro, 69, smart, app, phone,
    Price: $19.99
    Availability: In Stock - Usually ships in 1 to 2 days.
    Item #: 4821320 -

      The AC Infinity Control Outlets / Plugs connect to the 69 Pro controller and allow you to control up to four different devices from fans and heaters to misting and lights and provides each with shared or independent temperature, humidity, or time-based programming. Simply add the number of AC Infinity control outlets you need for your system (4 max) when you order. Control outlets can be plugged into any standard 120v electrical receptacle (Even on different electrical circuits) up to 10' from...

      AC Infinity Smart Outlet Controller ac, infinity, controller, control, thermostat, outlet, plug, in, dual, smart, bluetooth, greenhouse, climate, humidity, temperature, timer, cycle, 70, outlet
      Price: $69.99
      review-star review-star review-star review-star review-star
      (1)
      Availability: In Stock - Usually ships in 1 to 2 days.
      Item #: 4821330 -

        The AC Infinity 79 smart outlet controller is equipped with two outlet sockets to power and distribute unique programming to two devices. Each outlet can be independently programmed with temperature, humidity, or time-based controls. It is built with a large backlit LCD display with climate readings and settings. It includes a 12-foot sensor probe with a waterproof head that accurately detects current temperature and humidity conditions. The controller’s two outlets can automate devices up to...

        Autopilot Environmental Controller autopilot, environment, control, controller, temperature, humidity, timer, eclipse, F60, F90, digital
        Price: $229.00
        Availability: In Stock - Usually ships in 1 to 2 days.
        Item #: 4821110 -

          The Autopilot Digital Environmental Controller combines precise temperature and humidity control along with cycle timing to create an intelligent yet easy-to-use unit. Three digital screens continuously display current temperature, relative humidity, and a cycle timing countdown clock. LED lights indicate active modes and inform the user of any errors. Controller mounts to both walls and grow tents. Two mounting kits are included. It has four outlets: Cooling, Heating, Humidify/Dehumidify,...

          Plug-in Digital Dual Temperature Controller temperature, thermostat, dual, control, controller, humidistat, humidify, dehumidify, portable, plug, in, prewired
          Price: $74.95
          review-star review-star review-star review-star review-star
          (1)
          Availability: In Stock - Usually ships in 1 to 2 days.
          Item #: 4821030 -

            This unique controller has 2 independent built-in thermostats each with its own power outlet which provides a lot of flexibility controlling temperture in a greenhouse or grow room. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller, select heating or cooling mode, and set the temperature you want to maintain.In Heating mode, in can control electric heaters, heating mats, and cables. In Cooling mode, it can automate fans, coolers,...

            Plug-in Digital Humidity Controller humidity, control, controller, humidistat, humidify, dehumidify, portable, plug, in, prewired, outlet, receptacle
            Price: $49.95
            review-star review-star review-star review-star review-star
            (3)
            Availability: In Stock - Usually ships in 1 to 2 days.
            Item #: 4821010 -

              This humidity controller is both a humidistat and a dehumidistat. It has separate outlets for humidify and dehumidify modes which allows you to automate both types of equipment at the same time. In Humidify mode, it can be used to turn on a device like a solenoid valve which powers a misting system when the humidity level drops below the level you select. In Dehumidify mode, the controller can turn on a circulation fan, exhaust fan, or dehumidifier when the humidity level rises...

              Plug-in Digital Temperature & Humidity Controller temperature, thermostat, humidity, control, controller, humidistat, humidify, dehumidify, portable, plug, in, prewired
              Price: $79.95
              review-star review-star review-star review-star review-star
              (2)
              Availability: In Stock - Usually ships in 1 to 2 days.
              Item #: 4821020 -

                This unique controller can be used as both a heating or cooling thermostat and humidistat or dehumidistat at the same time! Temperature and humidity are controlled by separate outlets. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller, and select the set point you want to maintain.In Heating mode, in can control electric heaters, heating mats, and cables. In Cooling mode, it can automate fans, coolers, and mist cooling systems....

                SureStat DT10 Plug-in Digital Thermostat temperature, thermostat, digital, control, controller, portable, plug, in, prewired, cheap, greenhouse, prewired
                Price: $38.95
                review-star review-star review-star review-star review-star
                (6)
                Availability: In Stock - Usually ships in 1 to 2 days.
                Item #: 4821230 -

                  This plug-in temperature controller comes with a remote temperature sensor can be used to control heating and cooling devices at the same time. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller and set the temperature you want to maintain. You can also customize the differential or dead-band for heating and cooling modes giving the controller maximum adjustability. Thermostat Features -50° to 210°F temperature rangeAdjustable...

                  SureStat DT20 Plug-in Digital Thermostat / Cycle Timer temperature, thermostat, digital, control, controller, portable, plug, in, prewired, cycle, timer, cheap, greenhouse, prewired
                  Price: $26.95
                  review-star review-star review-star review-star review-star
                  (4)
                  Availability: In Stock - Usually ships in 1 to 2 days.
                  Item #: 4821220 -

                    This unique controller can be used as a thermostat with remote temperature sensor or a cycle timer. Thermostat mode allows you to set both the ON and OFF temperatures instead of setting a single temperature like most thermostats. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller and set the temperature range you want to maintain. Cycle Timer mode is designed to control devices that must be activated on a repeating cycle like a...

                    10 Amp Fan Speed Control
                    Price: $65.95
                    Availability: In Stock - Usually ships in 1 to 2 days.
                    Item #: 4820254 -

                      This variable control lets you manually adjust the fan speed for fans in your greenhouse from 30% to 100% of output capacity (Minimum output depends on fan). It also has the ability to turn a fan on and off. Controller comes in a weather proof electrical enclosure suited for greenhouse environments. Great option for equipment requiring a controller that can handle higher amperages like the ACF 24" variable speed exhaust fan. Operates on 110/120 voltage up to 10 amps. Wiring required. Speed...

                      Fan Speed Control (5 amp)
                      Price: $38.95
                      review-star review-star review-star review-star review-star
                      (3)
                      Availability: In Stock - Usually ships in 1 to 2 days.
                      Item #: 4820450 -

                        This variable control lets you manually adjust the fan speed for exhaust and circulation fans in your greenhouse from 30% to 100% of output capacity (Minimum output depends on fan). It also has the ability to turn a fan on and off. Controller comes in weather proof electrical enclosures with watertight cover. This controller is very helpful in the winter when less ventilation is necessary and too much cold air flow at once from outside can cause temperature shock to nearby plants. Only use...

                        Portable Plug In Fan Speed Control (5 amp) fan, speed control, portable, plug, in, cord, exhaust, circulation, greenhouse, garage, shop, amp
                        Price: $52.95
                        review-star review-star review-star review-star review-star
                        (2)
                        Availability: In Stock - Usually ships in 2 to 4 days.
                        Item #: 4820460 -

                          This variable control lets you manually adjust the fan speed for exhaust and circulation fans in your greenhouse from 30% to 100% of output capacity (Minimum output depends on fan). It also has the ability to turn a fan on and off. Controller comes in weather proof electrical enclosures with watertight cover. This controller is very helpful in the winter when less ventilation is necessary and too much cold air flow at once from outside can cause temperature shock to nearby plants. Only use...

                          Programmable 7 Day / Repeat Cycle Timer timer, cycle, repeat, interval, programmable, 7, day, seconds, digital, cheap, greenhouse, mist, water, misting
                          Price: $29.95
                          review-star review-star review-star review-star review-star
                          (3)
                          Availability: In Stock - Usually ships in 1 to 2 days.
                          Item #: 4820355 -

                            This multifunctional timer can be used as an interval / repeat cycle timer, 7 day programmable timer, or countdown timer. The programmable timer function operates off of an internal clock and can be programmed with up to 15 different on & off settings. Each setting can be set to occur daily or during specific days of the week. The interval timer function is designed to control devices that must be activated on a repeating cycle like a solenoid valve controlling misting, drip, and irrigation...

                            SureStat TS110 Waterproof Heating / Cooling Thermostat
                            Sale!
                            Retail: $42.89
                            Price: $35.95
                            review-star review-star review-star review-star review-star
                            (11)
                            Availability: In Stock - Usually ships in 1 to 2 days.
                            Item #: 4820930 -

                              SureSTAT TS110 thermostats have a watertight enclosure making them an excellent option for wet environments. The single stage thermostat can be used to automatically control ventilation fans or heaters. This thermostat was developed with the harsh greenhouse environment in mind. Temperature coil is stainless steel to prevent corrosion. SPDT switch. Wiring required. SureStat Thermostat Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential Can be used with...

                              SureStat TS116 Plug In Portable Thermostat Control thermostat, plug, in, portable, control, heater, fan, greenhouse, garage, shop, room, home, ac, 4820940, 4820945
                              Sale!
                              Retail: $59.95
                              Price: $48.95
                              review-star review-star review-star review-star review-star
                              (24)
                              Availability: In Stock - Usually ships in 1 to 2 days.
                              Item #: 48209 -

                                This single stage thermostat comes prewired with an 6' grounded Plug-in power cord. Simply plug the thermostat into a standard 110/120 volt outlet. Then plug any 110/120 volt appliance into the outlet on the plug of the thermostat. Select heating thermostat to control a heater or cooling thermostat to control fans and/or louvers. *Plug-in thermostats can not be used with our gas heaters. They require 24 volt thermostats. SureStat Thermostat FeaturesWide temperature range: 30° to 110° FFixed 3...

                                Heavy Duty 24 Hour Grounded Timer timer, 24, hour, light, plant, grow, auto, greenhouse, heavy, duty, 120, volt
                                Price: $15.95
                                review-star review-star review-star review-star review-star
                                (1)
                                Availability: In Stock - Usually ships in 1 to 2 days.
                                Item #: 5620100 -

                                  This 24 hour timer plugs directly into a wall outlet and can handle 1875 watts. You can set up to 48 cycles in 15 minute increments and set intervals from 15 minutes up to 24 hours making this timer excellent for lighting systems. No little pins to lose! Timer also features a manual override switch and LED light to indicate when power is on. 120 volt

                                  JDDT1 Adjustable Digital Thermostat (Wired) thermostat, water, proof, greenhouse, remote, sensor, j&d, temperature, control, digital, adjustable
                                  Price: $105.00
                                  review-star review-star review-star review-star review-star
                                  (2)
                                  Availability: Factory Direct - Usually ships in 2 to 4 days.
                                  Item #: 4820075 -

                                    This thermostat is very accurate and can be used to control heating or cooling equipment. It has a NEMA 4X waterproof enclosure which was developed with harsh greenhouse environments in mind (it can even be used outdoors). The JDDT1 thermostat has a 10' waterproof temperature sensor which allows you to control temperatures remotely, and it retains settings in memory in case of power failure. The current temperature is shown on the digital display when thermostat is on. Digital Thermostat...

                                    Modulating Temperature Control
                                    Price: $249.00
                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                    Item #: 4821210 -

                                      The Modulating Temperature Control allows you to automatically control the speed of fans with variable speed motors according to the ambient temperature. When the temperature is at the set point, fans operate at the idle speed setting.When the temperature exceeds the set point, it increases the fan speed.When the temperature increases 6°F above the set point, the fan speed will be at the maximum.When the temperature drops below the set point, the controller shuts off the fans (in shut-off...

                                      Portable Thermostatic Outlets
                                      Sale!
                                      Retail: $21.95
                                      Price: $15.95
                                      review-star review-star review-star review-star review-star
                                      (3)
                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                      Item #: 48202 -

                                        Need an inexpensive and simple thermostat? Thermostatic outlets are the answer. These unique devices plug into a standard electrical outlet and have an internal preset thermostat. Outlets come in two models. The Cooling outlet supplies power at 78° and cuts off at 70° and works great for all types of fans including exhaust, circulation, window, attic, and ceiling fans. The Heating outlet supplies power at 35° and cuts off at 45° and is great for automating heaters to keep room temperatures...

                                        SureStat TS200 2 Stage Thermostat Control thermostat, 2, two, stage, control, heating, cooling, water, proof, tight, weather, greenhouse, wet
                                        Retail: $68.95
                                        Price: $49.95
                                        review-star review-star review-star review-star review-star
                                        (1)
                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                        Item #: 4820910 -

                                          This thermostat has a watertight enclosure making them an excellent option for wet environments. The two stage thermostat can be used to automatically open motorized louvers before cutting on an exhaust fan(s), stage multiple fan or heater systems, or operate multiple speed exhaust fans that do not already have a built-in control. Wiring required. SureStat Thermostat Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential between stages Can be used with...

                                          SureStat T110 Weatherproof Heating / Cooling Thermostat thermostat, water, proof, greenhouse, remote, sensor, surestat, temperature, control
                                          Price: $44.95
                                          review-star review-star review-star review-star review-star
                                          (9)
                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                          Item #: 4820400 -

                                            UPDATEThis has been replaced by the Surestat TS110 thermostat. Click here to view the updated version.This thermostat has a weatherproof enclosure making them an excellent option for wet environments. The single stage thermostat can be used to automatically control ventilation fans or heaters. This thermostat was developed with the harsh greenhouse environment in mind. Temperature coil is stainless steel to prevent corrosion. SPDT switch. Wiring required. SureStat Thermostat Features Wide...

                                            SureStat T118P Plug In Portable Heating Thermostat thermostat, plug, in, prewired, cord, line, voltage, heater, fan, cooling, control, portable, 110, 120
                                            Price: $55.95
                                            review-star review-star review-star review-star review-star
                                            (5)
                                            Availability: In Stock - Usually ships in 1 to 2 days.
                                            Item #: 4820410 -

                                              UPDATEThis has been replaced by the Surestat TS116 thermostat. Click here to view the updated version.This single stage thermostat comes prewired with an 8' grounded Plug in power cord. Simply plug the thermostat into a standard 110/120 volt outlet. Then plug any 110/120 volt appliance into the outlet on the plug of the thermostat. Heating thermostat is great for automating portable electric heaters. SureStat Thermostat Features Wide temperature range: 30° to 110° F Fixed 3 degree differential...

                                              AC Infinity 10 Extension Cords ac, infinity, AC-EXR9, outlet, AC-EXQ9, greenhouse, plug, plug-in, control, uis, replacement, smart, extension, cord
                                              Price: $8.99
                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                              Item #: 482135 -

                                                These 10' cords are for use with the AC Infinity Control Outlets and 69 Pro controller. Use the male to male replacement cord to connect the Pro 69 controller to other devices. Note the AC Infinity control outlets each include one of these cords already. Use the male to female extension cord if you need to locate a control outle more than 10' away from the Pro 69 controller. Just connect this to the device's male to male connector. Up to 5 of these extension cords can be added together. ...

                                                Thermostat Piggyback Cord
                                                Price: $15.95
                                                review-star review-star review-star review-star review-star
                                                (1)
                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                Item #: 48201 -

                                                  These cords can be wired to the Surestat T110 or the TS110 thermostats to convert them into plug-in thermostats. They can also be used as replacement plug-in cords for the Surestat thermostats that come with a piggyback plug-in cord installed. Item # 4820188, 4820190, 4820191 Piggyback Cord Wiring for Surestat Thermostats ...