- Why growers use this product
- Quick Specs
- Best For
• Centralised grow control → manage lights, fans, and equipment from one device
• Temperature & humidity monitoring → track environmental conditions in real time
• Automation scheduling → program lighting cycles and airflow adjustments
• WiFi app control → manage your grow room remotely
• Smart equipment integration → connect compatible GrowHub devices
• Monitoring: Temperature and humidity sensor
• Connectivity: WiFi (2.4 GHz required)
• Control functions: Lighting, airflow, fan automation
• Interface: LED display with capacitive buttons
• Mounting: Grow tent fabric mount
• automated grow tents
• indoor hydroponic systems
• environmental monitoring
• fully controlled grow rooms
- Low stock - 6 items left
- Free shipping on orders over $499*
Pairs well with
The problem this solves
Managing lights, airflow, and environment separately is messy and inconsistent. Small changes in temperature or humidity can quickly impact plant growth.
The VIVOSUN GrowHub E42A Controller centralises your grow room control into one system.
It connects compatible equipment, monitors temperature and humidity, and automates lighting and airflow so your environment stays stable throughout the grow cycle.
🔥 Why growers rate it
• Centralised device control → manage lights, fans, and equipment from one controller
• Built-in temperature & humidity monitoring → track environmental conditions in real time
• Automated grow scheduling → control light cycles, fan speeds, and airflow automatically
• Smart equipment integration → synchronise compatible grow devices through GrowHub
• WiFi connectivity → monitor and adjust your grow remotely via the mobile app
• Clear LED display with capacitive buttons → simple on-device adjustments
• Flexible mounting design → attaches easily to grow tent fabric without brackets
📦 Key specs
• Controller type: Smart grow environment controller
• Monitoring: Temperature and humidity sensor with probe
• Connectivity: WiFi (2.4 GHz network required)
• Control functions: Lighting schedule, fan speed, airflow automation
• Interface: LED display with capacitive touch buttons
• Mounting: Grow tent compatible fabric mount
🌱 Grow Guys tip
Automation makes consistency easy.
Use the E42A Controller to maintain stable airflow and lighting cycles so plants experience fewer environmental swings - something that dramatically improves canopy health in indoor grow rooms.
🛠️ How to dial it in properly
Connect compatible equipment
Link your compatible lights, ventilation fans, and circulation equipment to the GrowHub platform so everything can be managed from one controller.
Configure your grow stages
Program lighting cycles, fan speed, and airflow patterns based on your plant’s growth stage.
Monitor environment trends
Use the built-in temperature and humidity sensor to track changes inside the grow tent and adjust airflow or lighting accordingly.
App control setup
Connect the controller to the VIVOSUN app using a 2.4 GHz WiFi network to unlock remote monitoring and advanced automation features.
Fine-tune automation
Once baseline settings are established, adjust automation rules to keep conditions stable as plant size and canopy density increase.
🧩 What it pairs with
The VIVOSUN GrowHub E42A Controller works best when integrated into a complete indoor grow system.
Growers typically connect their grow lighting, inline extraction fans, and air circulation fans so the controller can coordinate lighting schedules and airflow responses automatically.
When combined with proper environmental monitoring, ventilation systems, and lighting control, the controller helps stabilise temperature and humidity - two of the most important factors in consistent indoor plant growth.
Using automation also reduces manual adjustments, making it easier to maintain a balanced environment throughout the entire grow cycle.
❓ Frequently asked questions
What does the VIVOSUN E42A controller control?
The VIVOSUN E42A GrowHub controller manages compatible lighting, ventilation, and airflow devices.
It can automate light schedules, adjust fan speeds, and monitor temperature and humidity in your grow space.
Does the E42A controller require WiFi?
No, but WiFi unlocks its full capabilities.
Connecting to the VIVOSUN app allows remote monitoring, automation settings, and grow recipe programming.
What WiFi network does the controller require?
The controller connects using 2.4 GHz WiFi networks.
5 GHz networks are not supported when pairing the GrowHub controller.
Can beginners use the GrowHub E42A?
Yes. The interface is designed to be beginner-friendly.
The app interface and automation features make it easy to set schedules and stabilise a grow environment.
🚀 Take control of your grow environment
Indoor growing becomes much easier when your equipment works together.
The VIVOSUN GrowHub E42A Controller automates lighting, airflow, and environmental monitoring so growers can maintain stable conditions and focus on plant performance.