Description
AC Infinity CLOUDLINE S-Series Inline Duct Fan – the benchmark for quiet, high-performance grow-room ventilation. Built for growers who demand serious airflow, whisper-quiet operation and full control, the S-Series mixes EC-motor efficiency, PWM speed control and a precision inline kit to deliver exactly what your climate setup needs.
Each fan comes with a manual 8-speed controller using PWM (Pulse-Width Modulation) technology, giving you ultra-smooth control over airflow from low whisper levels up to full extraction capacity. The mixed-flow fan design combined with EC motor means low noise, low power draw and high static pressure performance — ideal for carbon filter setups, tents, rooms or recirculating systems.
All mains powered products are UK specification and have UK plug.
What Makes It Stand Out
- EC motor with PWM control — means fan runs cooler, quieter & more efficiently compared to standard AC motors. (Rated for 67,000 hours life)
- Mixed-flow blade design + stator elements — maintains airflow even under high static pressure (so when your filter or ducting is big, the performance stays strong)
- 8-speed manual controller included — set your optimum speed, memory function means it remembers after power-cuts
- Ultra-quiet operation — 28 dBA on 4″ model, advanced models 32-48 dBA typical for S6-S10 sizes
- Low energy use — efficient design draws minimal watts even at full speed (e.g., 28W on S4 at 348 m³/h)
- Detachable motor housing for easy cleaning and maintenance — extend the life of your extraction setup
- IP44 rated construction and dual ball bearings make it robust for grow-room environments.
Sizes & Performance at a Glance
| Model | Duct Size | Airflow (m³/h) | Noise (dBA) | Max Power Draw |
|---|---|---|---|---|
| CLOUDLINE S4 | 4″ | 348 m³/h | 28 dBA | 28 W |
| CLOUDLINE S6 | 6″ | 683 m³/h | 32 dBA | 64 W |
| CLOUDLINE S8 | 8″ | 1,371 m³/h | 39 dBA | 110 W |
| CLOUDLINE S10 | 10″ | 2,040 m³/h | 48 dBA | 250 W |
Who Is This For?
- Indoor grow tents and hydroponic rooms needing reliable extraction & low noise
- Carbon filter odour control systems where static pressure is high
- Any ventilation scenario where noise matters — apartment setups, discreet tents, housing systems
- Commercial or hobby setups wanting professional airflow with minimal fuss
Why Choose This Model?
Many fans claim “quiet & efficient” — but the AC Infinity CLOUDLINE S-Series actually delivers it. The EC/PWM combo reduces motor heat & vibration; the mixed-flow design keeps performance up even when ducting gets restrictive; the included controller gives you real control, not just “on/off”. For growers who mean business, you won’t settle for less.
Compatible with AC Infinity CONTROLLER 69 (for temperature/humidity automation) and part of the UIS™ ecosystem. Works with UK/EU voltage standard (100-240V, 50/60Hz) and ships with UK plug.
