kpa grow tent GrowHub Controller E42A+ for Grow Tent, Smart Environmental WiFi-Controller with Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, Cooling
SKU: 37696791811
kpa grow tent

kpa grow tent GrowHub Controller E42A+ for Grow Tent, Smart Environmental WiFi-Controller with Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, Cooling

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Description

kpa grow tent GrowHub Controller E42A+ for Grow Tent, Smart Environmental WiFi-Controller with Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, CoolingVivosun GrowHub E42A+ Smart Grow Tent Controller Tired of manually adjusting your grow environment multiple times a day? The GrowHub Controller E42A+ eliminates the guesswork and constant monitoring by automating your entire grow tent setup. This WiFi enabled smart controller unifies your grow lights, ventilation fans, and accessories into one intelligent system, giving you precise control over temperature, humidity, and VPDall from your smartphone.


Vivosun GrowHub E42A+ Smart Grow Tent Controller

Tired of manually adjusting your grow environment multiple times a day? The GrowHub Controller E42A+ eliminates the guesswork and constant monitoring by automating your entire grow tent setup. This WiFi-enabled smart controller unifies your grow lights, ventilation fans, and accessories into one intelligent system, giving you precise control over temperature, humidity, and VPD—all from your smartphone.

The GrowHub E42A+ features high-precision sensors that track environmental conditions in real time, automatically adjusting your equipment to maintain optimal growing conditions. Whether you're nurturing seedlings in a Vivosun grow tent or pushing through the bloom phase in a custom setup, the controller adapts to each growth stage with customizable automated cycles. The intuitive color display and magnetic mounting system make installation and operation effortless, while the Vivosun App provides remote access to advanced features like grow recipes and guided grow pilots—perfect for beginners learning the ropes and experienced growers optimizing their yields.

With VPD management built in, you can simplify complex environmental calculations and focus on what matters: healthy, thriving plants. The E42A+ connects seamlessly to your WiFi network, allowing you to monitor conditions, make real-time adjustments, and receive alerts from anywhere. Pair it with other Vivosun smart devices including LED grow lights, inline duct fans, clip-on oscillating fans, and complete grow tent kits for a fully integrated growing experience. Stop reacting to environmental swings and start growing with confidence using automation that works as hard as you do.

Features

Real-Time VPD Management

High-precision sensors continuously monitor temperature, humidity, and VPD for optimized plant health throughout every growth stage.

Your Garden in Your Pocket

WiFi-enabled remote control via Vivosun App lets you monitor and adjust your entire grow space from anywhere, anytime.

Full Grow Automation

Customize automated cycles for germination, vegetative, and bloom stages with precision control over lights, fans, and environmental conditions.

Unified Smart Control

Integrate grow lights, fans, humidifiers, and accessories into one intelligent system controlled through the app or directly on the device.

Intuitive Design & Easy Setup

Color display with simple navigation and quick magnetic or screw mounting for hassle-free installation and operation.

Precision Sensors & Power Memory

Accurate environmental tracking with built-in power failure memory to resume your settings automatically after outages.

Specifications

Specification Value
Model GrowHub Controller E42A+
Connectivity WiFi-enabled
Sensors Temperature, Humidity, VPD
Display Intuitive color display
Mounting Options Magnetic mounts or expansion screws
App Compatibility Vivosun App (iOS & Android)
Control Functions Temperature, humidity, VPD, timer, cycle, schedule
Automated Stages Germination, vegetative, bloom


Manual


Warranty

The Vivosun GrowHub Controller E42A+ includes a 2-year after-sales warranty, providing reliable support and peace of mind for every grower.


FAQs

What devices can I control with the GrowHub E42A+? +

The GrowHub E42A+ allows you to control your grow lights, inline fans, circulation fans, humidifiers, dehumidifiers, and other compatible grow tent accessories. All devices connect through the controller or Vivosun App, creating a unified automated system for your entire grow space. For best results, pair the E42A+ with Vivosun's complete line of smart growing equipment for seamless integration and maximum automation.

What is VPD and why does it matter? +

VPD (Vapor Pressure Deficit) measures the difference between the moisture in the air and the moisture plants can hold at saturation. The E42A+ calculates and displays VPD in real time based on temperature and humidity readings, helping you maintain optimal conditions for each growth stage without complex manual calculations.

Do I need WiFi to use the controller? +

While WiFi is required for remote access and advanced app features like grow recipes and guided pilots, the GrowHub E42A+ can still function as a standalone controller using its built-in color display and manual controls. WiFi connectivity simply unlocks the full range of smart features and remote monitoring capabilities.

How difficult is the installation process? +

Installation is designed to be quick and simple. The controller includes magnetic mounts for metal surfaces or expansion screws for other mounting options. Most users complete installation in just a few minutes. The intuitive interface guides you through device pairing and initial setup step by step.

Can the E42A+ adjust settings automatically as my plants grow? +

Yes, the E42A+ allows you to create customized automated cycles for germination, vegetative, and bloom stages. You can program specific light spectrums, intensity levels, on/off timing, temperature ranges, and airflow settings for each stage. The controller will automatically adjust your environment as your plants progress through their life cycle.

What are grow recipes and guided grow pilots? +

Grow recipes are pre-programmed environmental settings optimized for specific plant types and growth stages. Guided grow pilots provide step-by-step instructions throughout the entire grow cycle, making it easier for beginners to achieve successful harvests. Both features are accessible through the Vivosun App and take the guesswork out of creating ideal growing conditions.

Is the sensor accuracy reliable for professional growing? +

The GrowHub E42A+ features high-precision sensors that continuously track temperature, humidity, and VPD in real time with professional-grade accuracy. The sensors provide the reliable data needed for both hobbyist and commercial growing operations, enabling precise environmental control and consistent results.

Can I make adjustments while I'm away from home? +

Absolutely. Once connected to WiFi, the Vivosun App gives you full remote control over your grow space from anywhere with an internet connection. You can monitor real-time conditions, adjust settings, receive alerts, and make immediate changes to protect your plants even when you're not physically present.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37696791811

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W. Morgan
San Leandro, US
★★★★★ 4
Need power AND data? You'll need a second power supply.
Style: 8-in-1
If you only need to connect peripherals like an external drive to your computer or tablet and provide power to the peripheral devices, then this hub should work for you. Please note that it WILL NOT provide pass-through power to your computer or tablet without adding an additional power source. Read on if you feel this may apply to you. I purchased this Anker hub for the very specific purpose of connecting my DSLR camera to the Cascable App on my 4th generation iPad Air. This allows my clients to preview their portraits on a larger screen during a photoshoot. My hope was, that out of the box, the hub would connect my camera and iPad (which it did) as well as charge my iPad throughout an entire day of work. Unfortunately the product description provided by Anker does not clearly state that pass-through power to your laptop or tablet is only possible by connecting an additional power supply to the PD in port (USB-C) which is located next to the DC power port that connects to the included power supply. It's by no means an elegant solution, but it gets the job done. UPDATE: this is now addressed by amazon in the "About this item" section. Fortunately I had a spare 65W USB power adapter that I was able to connect to the PD port and get power to my iPad. If not I would have to buy that additional piece of equipment to make this work for my needs. My thanks to others who have taken the time to mention this in their reviews - saving me the frustration of sending this back.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 13, 2024
J
Verified Purchase
J.
Massapequa, US
★★★★★ 5
Good buy
Style: 8-in-1
Its a life saver!!! There's this device that isn't being detected by my phone so i was thinking what a waste but then my brother suggested to buy this. Lo and behold! Everything works!!! Thanks to this hub im able to transfer and backup my files in a short amount of time.
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Reviewed in the United States on February 15, 2026
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Juliana Millon
Battle Creek, US
★★★★★ 5
Great Fans!!
Color: Brushed Aluminum, Style: 3000K Warm White LED, Color: Brushed Aluminum, Style: 3000K Warm White LED
We bought 3! This is second set of fans we buy. The blow a great amount of air. The quality is great and install was easy. The app works great and is simple! You can control the fans thru app. Great fans!! Highly recommend!!
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Reviewed in the United States on April 20, 2024
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Frannysojo
Waukegan, US
★★★★★ 5
Amazing fan
Color: Brushed Aluminum, Style: 3000K Warm White LED, Color: Brushed Aluminum, Style: 3000K Warm White LED
Work with Alexa or you can use the remote control, easy installation, a perfect size, look beautiful, best price.
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Reviewed in the United States on May 25, 2026
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speed4tu
Belleville, US
★★★★★ 5
Best fan ever
Color: Brushed Aluminum, Style: 3000K Warm White LED
Fan works great, light is more than bright enough to light a large room, fan is great, on high it will provide more air than you will ever need, also works with Alexa flawlessly so that you dont even need the remote or your phone.
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