G.A.S EC5 Fan Speed Controller UK | Intelligent EC Climate Controller
The G.A.S EC5 Fan Speed Controller is an advanced intelligent digital climate controller designed for EC extractor fans used in grow rooms, grow tents, and hydroponic ventilation systems. Featuring Reactive Temperature Technology (RTT), built-in fan balancing, OLED display, and silent EC fan modulation, the EC5 delivers precise environmental control for professional indoor growing setups.
- ✔ Intelligent EC grow room fan controller
- ✔ Reactive Temperature Technology (RTT)
- ✔ Built-in intake and extraction fan balancer
- ✔ OLED display for precise environmental monitoring
- ✔ Compatible with G.A.S Vector & HyperFan V2 EC fans
Original price was: £160.00.£144.50Current price is: £144.50. incl. Vat
2 in stock
🌬 G.A.S EC5 Fan Speed Controller Guide & Product Information
🌱 Intelligent Climate Control for Professional Grow Rooms
The G.A.S EC5 Fan Speed Controller is a premium intelligent digital climate controller designed specifically for EC extractor fan systems used in grow rooms, grow tents, and hydroponic ventilation setups.
Built for advanced environmental management, the EC5 automatically adjusts intake and extraction fan speeds to maintain stable grow room temperatures and negative pressure. Featuring Reactive Temperature Technology (RTT), the controller intelligently responds to environmental changes to create smoother and more stable airflow management.
Unlike traditional AC fan controllers, the EC5 uses EC fan communication technology for ultra-quiet and highly efficient fan speed control without humming or vibration.
The EC5 is ideal for growers wanting professional-level climate management with highly accurate airflow balancing and silent operation.
If you are upgrading your extraction system, read our guide to proper grow room ventilation.
- ✔ Intelligent EC fan climate management
- ✔ Maintains stable grow room temperatures
- ✔ Ultra-quiet EC fan modulation
- ✔ Ideal for professional hydroponic ventilation systems
⚡ Reactive Temperature Technology (RTT)
The EC5 features advanced Reactive Temperature Technology (RTT), allowing the controller to intelligently respond to changing environmental conditions inside the grow room.
If temperatures rise suddenly, the controller reacts rapidly by increasing extraction airflow to stabilise the environment. During gradual temperature changes, fan speeds are adjusted smoothly and progressively to maintain environmental consistency without unnecessary fluctuations. :contentReference[oaicite:0]{index=0}
This intelligent control system helps:
- ✔ Stabilise grow room temperatures
- ✔ Improve airflow consistency
- ✔ Reduce environmental stress on plants
- ✔ Reduce abrupt fan speed fluctuations
💨 Built-In Fan Balancer & Negative Pressure Control
One of the standout features of the G.A.S EC5 is its integrated intake and extraction fan balancing system.
The built-in fan balancer allows growers to fine-tune intake and extraction airflow to maintain stable negative pressure within the grow room. :contentReference[oaicite:1]{index=1}
Maintaining negative pressure is essential for:
- ✔ Effective carbon filter odour control
- ✔ Preventing air leaks from grow tents
- ✔ Stable airflow direction
- ✔ Improved extraction efficiency
Unlike many traditional systems, the EC5 eliminates the need for a separate balancing controller. :contentReference[oaicite:2]{index=2}
🔇 Ultra-Quiet EC Fan Operation
The EC5 is designed specifically for EC fan technology, allowing ultra-smooth airflow control without the humming and vibration associated with traditional voltage-controlled AC fan systems.
EC fan technology provides:
- ✔ Silent airflow modulation
- ✔ Improved energy efficiency
- ✔ Reduced motor wear
- ✔ Smoother airflow management
This makes the EC5 ideal for:
- ✔ Grow tents in indoor environments
- ✔ Acoustic extraction systems
- ✔ Quiet hydroponic grow rooms
- ✔ Professional indoor cultivation setups
🖥 OLED Display & Digital Control
The EC5 features a high-visibility OLED display allowing growers to easily monitor and configure environmental settings. :contentReference[oaicite:3]{index=3}
Growers can configure:
- ✔ Desired grow room temperature
- ✔ Minimum fan speeds
- ✔ Maximum fan speeds
- ✔ Intake and extraction balance
The intuitive controls allow growers to fine-tune ventilation performance precisely for different grow room environments.
⚡ Compatible Fan Systems
The G.A.S EC5 Fan Speed Controller is compatible with EC fans utilising 0-10V communication technology. :contentReference[oaicite:4]{index=4}
Compatible systems include:
- ✔ G.A.S Vector EC fans
- ✔ HyperFan V2 EC systems
- ✔ Systemair Revolution EC fans
- ✔ EC intake and extraction systems
The controller uses Active Cable technology and is powered directly from the fan itself, meaning no separate power pack is required. :contentReference[oaicite:5]{index=5}
🌬 Benefits for Indoor Growing
The EC5 helps automate grow room ventilation systems for healthier and more stable indoor cultivation conditions.
Benefits include:
- ✔ Stable grow room temperatures
- ✔ Improved humidity management
- ✔ Reduced extraction noise
- ✔ Improved carbon filter efficiency
- ✔ Better plant health and environmental stability
🔧 Installation Guide
The G.A.S EC5 is designed for fast plug-and-play installation into compatible EC fan systems.
- ✔ Connect compatible EC intake and extraction fans
- ✔ Position temperature probe within the grow room
- ✔ Configure target environmental settings
- ✔ Allow automatic EC airflow management
For best performance, pair with Systemair Revolution Vector EC Fans, HyperFan V2 EC Fans, carbon filters, and acoustic ducting.
❓ FAQ
What does RTT mean?
RTT stands for Reactive Temperature Technology, allowing the controller to intelligently respond to environmental temperature changes. :contentReference[oaicite:6]{index=6}
Does the EC5 include a built-in fan balancer?
Yes, the EC5 includes an integrated intake and extraction fan balancing system to maintain negative pressure. :contentReference[oaicite:7]{index=7}
What fans is the EC5 compatible with?
The EC5 is compatible with G.A.S Vector EC fans, HyperFan V2 systems, Systemair EC fans, and most EC fans using 0-10V communication. :contentReference[oaicite:8]{index=8}
Does the controller need a separate power supply?
No, the EC5 is powered directly from the connected EC fan using Active Cable technology. :contentReference[oaicite:9]{index=9}
Does the EC5 reduce fan noise?
Yes, EC fan technology provides ultra-quiet airflow control without humming or vibration.

