ItemOracle

VIVOSUN G4 4" Inline Duct Fan & Temp/Humidity Controller

VIVOSUN ★ 3.9/5 · ItemOracle Score Mid-Range

$100 USD
Price subject to change
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VIVOSUN G4 4" Inline Duct Fan & Temperature Humidity Controller, E42A WiFi-App Control AeroZesh Grow Tent Fan& Smart Thermostat, 195 CFM EC Motor Exhaust Fan for Heating Cooling, Greenhouse Accessory

Compact 4" inline exhaust with built-in temp/humidity gauge and app control. Supports unified GrowHub ecosystem for automated environmental management

Highlights

  • built-in temp/humidity gauge
  • app-based control
  • energy-efficient PWM fan

Pros

  • built-in temperature and humidity gauge
  • PWM-controlled, energy-efficient fan
  • quiet operation at 28 dB
  • app controllable and pluggable into GrowHub
  • mixed-flow design for longer air reach

Cons

  • requires GrowHub for full automation
  • EC motor may require setup for optimal VPD
  • limited user feedback mentions only one main model

Best For

  • greenhouse climate control
  • grow tent airflow management
  • remote monitoring via app
  • integrated environmental monitoring
  • cooling and exhaust for heating seasons
  • multi-device automation through GrowHub

Features

  • Unified control via GrowHub E42A platform for multiple devices
  • PWM-controlled, energy-efficient 4" inline duct fan with low noise (28 dB)
  • Built-in temperature and humidity gauge with a probe
  • GrowHub E42A monitors internal and external environment and VPD
  • App-based data viewing and automated program for growth stages (light, spectrum, on/off, fan speed, airflow)

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