Headwind HVC Smart EC Fan Speed Controller with Thermal & Humidity Probe

Total Climate Control for Your Grow Room — One Smart Device

The Headwind HVC Smart EC Fan Speed Controller takes the guesswork out of grow room ventilation. Plug it into your Headwind HVC EC fans and it automatically manages temperature, humidity, and airflow — so your plants always get the environment they need, day and night.

No extra power cords. No adapters. Just plug in and grow.

Why Growers Love It

• 🌡️ Auto temperature & humidity control — reacts in real time to keep conditions dialled in
• 💨 Controls up to 4 EC fans simultaneously — perfect for larger grow rooms
• 🌙 Day/Night mode — set different targets for lights-on and lights-off periods
• ⏱️ Timer & Cycle modes — automate your ventilation schedule with ease
• 🔔 Built-in alarm — alerts you if temp or humidity goes out of range
• 🌀 Circadian mode — gradually adjusts fan speed to mimic natural day cycles
• 🔧 Differential air pressure adjustment — fine-tune negative pressure in your space
• 📊 Temp & humidity calibration — accurate readings you can trust
• 🔌 No extra power cord needed — powered directly through Headwind HVC EC fans

8 Control Modes — Full Flexibility

Switch between modes to match your grow style and setup:

• Auto-Control — hands-free, reacts to live temp & humidity readings
• Manual — set fan speed exactly where you want it
• Day/Night — different speed targets for each light cycle
• Min/Max Speed — set upper and lower speed limits
• Timer — schedule fan operation by time
• Cycle — alternate between on/off intervals
• Alarm — get notified when conditions drift out of range
• Circadian — gradual speed changes that follow a natural daily rhythm

Specifications

• Compatible fans: Headwind HVC EC Mixed Flow Inline Fans
• Max fans supported: 4 x EC fans simultaneously
• Sensors: Temperature & humidity probe (included)
• Weight: 1.2kg
• Power: Powered via HVC EC fan connection — no separate adapter required

Perfect For

• Growers running Headwind HVC EC fans who want automated climate control
• Grow tents and rooms where temp and humidity need to stay consistent
• Day/night cycle grows where conditions shift between light periods
• Anyone tired of manually adjusting fan speed throughout the day

In the Box

• 1x Headwind HVC Smart EC Fan Speed Controller
• 1x Thermal & humidity probe

Compatible with Headwind HVC EC Mixed Flow Inline Fans (sold separately). Not compatible with standard AC fans.