AC Infinity CLOUDRAY S9 Clip Fan - Tunable Grow Circulation

Our review of the AC Infinity CLOUDRAY S9 finds it is best for indoor growers who need tailored, durable air circulation without a bulky installation. The single biggest reason to buy is its combination of a long-life EC motor and flexible control options: 10 speeds, 10 dynamic wind modes and 10 oscillation settings let a grower mimic natural breezes or target hotspots precisely. This review focuses on real use in tents and small rooms, highlighting build quality, control flexibility and where the fan can earn its keep in a hydroponic environment.

Key Features

• Redesigned EC motor: The larger brushless EC motor with carbon steel gears and dual-ball bearings is built to extend service life in humid grow spaces.
• Multiple wind modes: Ten speeds and ten dynamic wind modes let growers simulate natural airflow patterns to strengthen plant stems and reduce stagnant pockets.
• Adjustable oscillation: Ten oscillation ranges allow focused circulation for canopy spots or wide coverage to evenly distribute air across a tent.
• Weatherproof rating: The IP54 weatherproofing helps protect the fan from moisture and light spray common in hydroponic setups.
• UIS controller compatibility: Links to UIS controllers for app and WiFi control enable timers, climate triggers and advanced automation for integrated environments.

Who It's For

The CLOUDRAY S9 suits hobbyists and small commercial growers using grow tents or compact indoor rooms who want a long-lasting clip fan with fine-grained control over airflow patterns. Its IP54 rating and robust motor make it a practical choice when moisture and continuous operation are concerns.

Those who need silent operation at all times or an ultra-low-cost basic fan should look elsewhere; some users report mixed experiences with noise and the unit carries more features (and cost) than a bare-bones clip fan. If full-room HVAC replacement is required, a dedicated inline system is still the better solution.

Pros & Cons

Pros

• Durable motor construction with carbon steel gears and dual-ball bearings for extended lifespan.
• Highly configurable airflow with 10 speeds, 10 wind modes and 10 oscillation ranges for targeted or broad circulation.
• Weatherproof IP54 rating suitable for humid hydroponic environments.
• Integrates with UIS controllers for WiFi app control, timers and climate automation.

Cons

• Noise level receives mixed feedback, so it may be intrusive at higher settings for some users.
• Price and feature set may be more than needed for casual users who only want basic airflow.

Specifications

Fan size	9 in clip-on fan
Motor type	Brushless EC motor with carbon steel gears
Bearings	Dual-ball bearings
Speeds and modes	10 speeds, 10 dynamic wind modes
Oscillation	10 oscillation ranges
Weatherproof rating	IP54
Control	Links with UIS controllers for WiFi app control and automation

Our Verdict

The CLOUDRAY S9 is a thoughtful, durable clip fan for growers who want precise airflow control and a motor built to last in humid conditions. It represents good value for those who will use the advanced speeds, oscillation and UIS connectivity, though quieter or simpler fans may suit light hobbyists better.

Frequently Asked Questions

Is this fan suitable for a hydroponic tent?
Yes. The IP54 rating and robust EC motor make it appropriate for humid tent environments and continuous use.

Can I control the fan remotely?
Yes. The fan links with UIS controllers for WiFi app control, timers and climate triggers when paired with compatible hardware.

Is the fan quiet?
Noise is subjective: many users find it acceptably quiet at lower speeds, but some report louder operation at higher settings.