Best Temperature And Humidity Controller For Grow Tent

#1 · Best Overall

1. AC Infinity Controller 69 PRO

• Weight: 0.5 kg
• Material: Plastic

Best for: Multi-device AC Infinity systems.

Why it ranks #1: Controls up to four devices with independent programming and temperature, humidity, and VPD automation; app graphs and alerts add useful climate insight.

Independent programming for up to four devices makes the AC Infinity Controller 69 PRO a strong fit for growers coordinating fans and lights. Its temperature, humidity, and VPD automation can adjust speed and brightness, connecting climate readings to how compatible AC Infinity equipment operates.

The controller supports grow cycles, schedules, timers, minimum levels, and custom transitions, giving users multiple ways to coordinate equipment across a tent cycle. Temperature, humidity, and VPD readings can drive dynamic changes to speed and brightness, while the phone app enables remote monitoring and control. Interactive graphs display climate data, and customizable alerts can respond to events. Its central advantage is the ability to program four devices independently, making it most relevant to an AC Infinity-based equipment setup.

Skip it if you need a two-outlet controller for non-AC Infinity equipment; the AC Infinity Controller 79 supports two outlet devices.

The Controller 69 PRO is for growers with compatible AC Infinity equipment who want centralized, independent programming and remote climate oversight. Its four-device capability matters most when the tent already uses supported equipment; it is not presented as a universal outlet controller.

Listed on Amazon as: AC Infinity Controller 69 PRO, Environmental Controller for Grow Tents

#2 · Best Stage Automation

2. MARS HYDRO iControl

• Weight: 2.29 lb

Best for: Stage-based app climate management.

Why it ranks #2: Offers app control, real-time VPD monitoring, and stage-based automation; it can adjust fans, humidifiers, and dehumidifiers when RJ12 connections are used.

Real-time VPD monitoring paired with stage-based automation is the MARS HYDRO iControl’s central draw, letting growers tailor climate and lighting settings to plant-cycle scenarios. After targets are set, it can adjust fans, humidifiers, and dehumidifiers, with RJ12 required for those device connections.

The controller uses temperature and humidity strategies alongside real-time VPD monitoring to manage a grow environment against set target parameters. Its stage-based settings allow customized lighting and climate approaches across a plant cycle, rather than relying on one unchanging configuration. App control supports this workflow, while fan, humidifier, and dehumidifier adjustments are specified with an RJ12 connection required. Buyers should verify that their equipment supports the required connection before expecting the automated adjustments described.

Skip it if you need a simple two-outlet controller without RJ12 device requirements; the AC Infinity Controller 79 powers two outlet devices.

The MARS HYDRO iControl fits growers who want app-managed, stage-based climate strategies and VPD monitoring through a plant cycle. Check RJ12 compatibility with the fans and humidity equipment you intend to automate before choosing it.

Listed on Amazon as: MARS HYDRO iControl Controller for Grow Tent Plant Cycle with App Control

#3 · Best Built-In Monitoring

3. VIVOSUN GrowHub E42A+

• Weight: 1.18 kg
• Material: Plastic
• Voltage: 12 V

Best for: GrowHub-connected environment monitoring.

Why it ranks #3: Its built-in temperature and humidity gauge and probe monitor internal and external conditions, with app-based data viewing and programming.

A built-in temperature and humidity gauge plus one probe lets the VIVOSUN GrowHub E42A+ monitor conditions inside and outside the grow environment. Its app-based platform can unify compatible smart devices, helping growers view climate changes and manage equipment through a shared system.

The E42A+ monitors temperature and humidity using its built-in gauge and one probe, with the product information specifying visibility into internal and external environmental changes. Users can view that data and program through the GrowHub platform, which can operate devices individually or unify smart devices. This supports a consolidated monitoring workflow when paired equipment is compatible with the platform. The listed operating voltage is 12V; buyers should account for that requirement when planning installation and power arrangements.

Skip it if you need a stand-alone 120V smart outlet with a stated 15A/1800W rating; the VIVOSUN GrowHub Outlet Controller A22 lists those outlet details.

The E42A+ suits growers who want temperature and humidity monitoring plus a unified GrowHub workflow for compatible smart devices. Its 12V specification and platform-based approach are important fit considerations for installation and equipment selection.

Listed on Amazon as: VIVOSUN E42A+ GrowHub Environmental Controller for Grow, Smart APP Control

#4 · Best Smart Outlet

4. VIVOSUN GrowHub A22

• Material: Acrylonitrile Butadiene Styrene
• Voltage: 120 V

Best for: Wi-Fi smart-plug tent control.

Why it ranks #4: Combines a temperature and humidity sensor probe with app scheduling and environmental triggers; it supports wired devices with mechanical switches or basic on/off operation.

App-based scheduling and temperature or humidity triggers distinguish the VIVOSUN GrowHub Outlet Controller A22, letting growers automate compatible plugged-in equipment around changing tent conditions. Its sensor probe and 15A/1800W title rating make it an option for users seeking smart outlet control rather than a multi-device environmental hub.

The A22 can control wired devices with mechanical switches or basic on/off operation, so compatibility depends on the equipment’s controls. App scheduling and temperature/humidity triggers can automate those devices, while individual operation or integration with the GrowHub A22 supports a unified workflow. Pairing requires a 2.4 GHz Wi-Fi network, not 5 GHz. The product information lists 15A/1800W in the title and 120V operating voltage in specifications; check the connected equipment against those limits.

Skip it if you need independent programming for four AC Infinity devices; the Controller 69 PRO handles up to four devices.

Pick the VIVOSUN A22 for app-triggered control of compatible on/off equipment in a tent with 2.4 GHz Wi-Fi. Its usefulness depends on device compatibility and wireless pairing, so check both before planning the setup.

Listed on Amazon as: VIVOSUN GrowHub Outlet Controller A22 with Temperature and Humidity Sensor Probe, Smart Environmental WiFi-Controller, Smart Plug, Thermostat, 15A 1800W, Compatible with Vivosun App for Grow Tent

#5 · Best Dual Outlet

5. AC Infinity Controller 79

• Weight: 0.76 kg
• Material: Metal, Plastic
• Voltage: 250 V

Best for: Two-outlet climate automation.

Why it ranks #5: Provides two independently programmed outlets and temperature, humidity, and VPD triggers, with app notifications and climate graphs.

Independent programming for two outlet devices lets the AC Infinity Controller 79 apply separate climate logic to equipment in one grow setup. Temperature, humidity, and VPD triggers, along with timers and cycles, give growers several ways to automate plugged-in devices without assigning both outlets identical behavior.

The two outlets collectively support up to 1100W, so connected equipment must remain within that combined limit. Separate programming can base each device on different climates or automation settings, while schedules, cycles, timers, and custom buffers help shape when outlets respond. Bluetooth or Wi-Fi app pairing unlocks advanced programs, notifications, and climate data graphs. This makes the controller useful for coordinating two outlet devices, but not for managing a larger number through its stated outlet capacity.

Skip it if you need four independently controlled devices; the AC Infinity Controller 69 PRO supports up to four devices.

The Controller 79 suits growers automating two outlet devices with separate climate settings and app-based data access. Confirm their combined draw stays within 1100W; choose a different setup if your tent requires control of more than two devices.

Listed on Amazon as: AC Infinity Controller 79, Temperature Humidity Outlet Controller, WiFi App

#6

6. DIGITEN THT1032

• Weight: 0.47 kg
• Material: Plastic

Best for: Three-function tent controller.

Why it ranks #6: Three outlets support temperature, humidity, and timed control, while separate probes measure each climate variable with stated accuracy of ±0.7°F and ±3% RH.

Separate temperature and humidity probes let the DIGITEN THT1032 measure each condition independently, while its timer adds a third control mode. That combination lets growers manage climate readings and timed lighting or other equipment from one plug-in controller, with four buttons and simple instructions for setup.

The temperature probe is specified at ±0.4°C/±0.7°F accuracy and the humidity probe at ±3%, giving each measurement its own sensor rather than coupling the readings. Temperature control spans -10°C to 120°C, and three modes cover temperature, humidity, and timed automation. The product information says it can simultaneously control temperature, humidity, and light time, making it a practical fit for a tent that needs those functions coordinated. Its 100–240VAC, 10A power requirement is an important installation constraint.

Skip it if you need app-based monitoring or control; the VIVOSUN GrowHub Outlet Controller A22 offers Wi-Fi and app automation.

Choose the DIGITEN THT1032 if you want independent temperature and humidity sensing plus timed control in a straightforward plug-in unit. Its 10A power requirement and lack of listed app control make it a better fit for basic, locally managed setups.

Listed on Amazon as: DIGITEN Temperature and Humidity Controller with Timer,3 Outlet Dual Probes

#7

7. DIGITEN DHTC-1011

• Voltage: 240 V

Best for: Wide-range plug-in climate control.

Why it ranks #7: A combined temperature and humidity sensor covers -40°F to 248°F and 1% to 100% RH, with heating, cooling, humidifying, and dehumidifying control.

A combined temperature-and-humidity sensor with unusually broad stated ranges gives the DIGITEN DHTC-1011 flexibility across different tent targets. It can trigger heating or cooling and humidifying or dehumidifying from configured settings, while a large LCD and three-button interface keep adjustments on the controller.

Temperature control spans -40°F to 248°F, and humidity control spans 1% to 100% RH, supporting a wide range of setpoints for grow-space management. The two-in-one sensor measures both conditions, and the controller starts heating, cooling, humidifying, or dehumidifying according to configured parameters. Its pre-wired design and plug-in format reduce setup steps, while the large LCD and three-button controls support direct operation. The listed voltage is 240V, an important requirement to match before installation.

Skip it if you need app-based remote control; the VIVOSUN GrowHub Outlet Controller A22 provides Wi-Fi and app automation.

The DIGITEN DHTC-1011 fits growers seeking broad temperature and humidity setpoint ranges with direct plug-in operation. Its listed 240V specification is a key installation boundary, so select it only when that electrical requirement suits the setup.

Listed on Amazon as: DIGITEN DHTC-1011 Temperature and Humidity Controller Outlet Plug in Thermostat Humidistat Reptile Humidity Controller Greenhouse Thermostat Heating Cooling Humidifier Dehumidifier

#8

8. DIGITEN THT103

• Material: Plastic
• Voltage: 120 V AC

Best for: Three-outlet timer controller.

Why it ranks #8: Offers three independently used outlets for temperature and humidity functions, plus timer capability and a probe designed to measure both conditions.

Three independently functioning outlets and three control functions give the DIGITEN THT103 a compact way to coordinate temperature, humidity, and timed equipment. Four simple buttons support setup, while its probe measures temperature and humidity simultaneously for growers seeking combined control without complicated programming.

The THT103’s three outlets can connect three devices simultaneously, with distinct functions that operate independently according to the supplied product information. Its temperature and humidity probe measures both conditions at once, and the three-in-one design adds timer control to climate management. Four buttons and a straightforward setup process make configuration accessible without complicated settings. The stated 120V AC specification should guide installation and device selection; the available information does not provide a temperature or humidity accuracy figure.

Skip it if you need stated sensor accuracy and app control; the VIVOSUN GrowHub Outlet Controller A22 lists Wi-Fi app automation.

Choose the DIGITEN THT103 for a straightforward three-outlet controller that combines temperature, humidity, and timer functions. Its listed details do not specify measurement accuracy, so it is a better fit when those figures are not essential to your selection.

Listed on Amazon as: DIGITEN Reptile Temp & Humidity Controller with Timer Outlet

#9

9. Inkbird IHC-200

• Weight: 15.84 oz
• Material: Plastic
• Voltage: 120 V AC

Best for: Humidity-focused tent automation.

Why it ranks #9: A dedicated humidity controller covers 5% to 99.99% RH and automatically switches between humidification and dehumidification, but it does not control temperature.

Automatic switching between humidification and dehumidification is the Inkbird IHC-200’s defining feature, letting one controller respond in either direction as tent humidity changes. Its 5–99.99% RH range and included humidity probe suit growers who want dedicated moisture management rather than combined temperature control.

The IHC-200 measures humidity with stated ±3% RH accuracy, and its calibration support gives users a way to adjust the humidity reading. Two sockets accommodate a humidifier and dehumidifier, while automatic mode switching can manage the two responses as conditions change. The controller is specified for 120V AC, which buyers should account for when placing it in a grow setup. Its humidity-only focus is useful when temperature control is already handled elsewhere.

Skip it if you need temperature and humidity automation together; the DIGITEN THT1032 adds a temperature probe and timed control.

The Inkbird IHC-200 suits a grower who wants focused humidity management, automatic humidifier and dehumidifier switching, and calibration support. Choose it when temperature is handled separately; it is not a combined temperature-and-humidity controller.

Listed on Amazon as: Inkbird Humidity Controller IHC200 Humidistat for Mushroom Greenhouse

#10

10. INKTEM Temperature Controller

• Material: Acrylonitrile Butadiene Styrene (ABS)

Best for: Alarm-equipped climate control.

Why it ranks #10: Combines heating, cooling, humidification, and dehumidification with alarms, but its listed adjustment ranges of 14°F to 122°F and 20% to 95% RH are narrower.

Four operating modes—humidification, dehumidification, heating, and cooling—let the INKTEM controller coordinate both temperature and moisture responses from one plug switch. Its adjustable high and low limits also trigger audible alerts, giving growers a direct warning when conditions cross their chosen thresholds.

Temperature adjustments cover 14–122°F and humidity adjustments cover 20–95% RH, allowing users to set operating points for both climate variables. The four modes let the controller respond with heating or cooling and humidification or dehumidification, while customizable high/low alarms alert users when limits are exceeded. Real-time calibration is listed as a feature, supporting measurement adjustment. The product is identified as a 120V plug-in humidifier controller, so its electrical setup and the connected devices should match that use.

Skip it if you want VPD graphs and remote app control; the AC Infinity Controller 79 offers app climate data and VPD triggers.

Choose the INKTEM if you want one plug-in controller to respond to temperature and humidity limits and sound an alarm when they are exceeded. Its 120V setup and stated adjustment ranges should match your equipment and target conditions.

Listed on Amazon as: Temperature and Humidity Controller, Thermostat Controlled Outlet