An efficient 8 in fan for a garage, shop or grow room where it can run out of earshot.
Amazon $119.99
An 8 in EC fan for large tents and small grow rooms, with high static pressure. It draws more power at full speed than rivals that move more air.
- 724 CFMAirflow
- 190 WPower
- 42 dBANoise
- ECMotor
Price checked November 8, 2026. As an Amazon Associate we earn from qualifying purchases.
- Ten-speed controller included, and it plugs into AC Infinity’s smart controllers later
- High rated static pressure, so it keeps pulling through a carbon filter and long duct runs
- Draws more power per CFM than the most efficient fans its size
The AC Infinity CLOUDLINE A family
Every AC Infinity CLOUDLINE A model we rank, smallest first. Ratings compare each against its own duct size.
| Model | Airflow | Rating | Price |
|---|---|---|---|
| AC Infinity CLOUDLINE A4 | 165 CFM | 2.8/5 | $79.99 |
| AC Infinity CLOUDLINE A6 | 352 CFM | 3.0/5 | $89.99 |
| AC Infinity CLOUDLINE A8 (this one) | 724 CFM | 2.7/5 | $139 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its duct size. How we rank explains each one.
Specifications
| Model number | AI-CLA8 |
|---|---|
| Performance | |
| Duct size | 8 in |
| Rated airflow | 724 CFM |
| Static pressure (not scored) | 746 Pa |
| Power at full speed | 190 W |
| Power figure | Max power draw |
| Average power (not scored) | 72 W |
| Airflow per watt | 3.8 CFM/W |
| Price per 100 CFM | $19.20 |
| Noise at full speed | 42 dBA |
| Controls | |
| Motor | EC |
| Controller | 10-speed controller |
| Speeds | 10 |
| Temperature and humidity control | No |
| Phone app | No |
| Timer or cycle modes | No |
| Build | |
| Housing | Plastic |
| Ingress rating | IP44 |
| Voltage | 100-240 V |
| Warranty | 2 years |
Alternatives in this duct size
A 10 in fan for grow rooms that costs less than EC rivals its size, if you add your own speed controller.
Amazon $194.95A 10 in EC fan for grow rooms and big carbon filters, with the highest static pressure in the range. Loud near full speed.
Amazon $279Compare
Compare the AC Infinity CLOUDLINE A8 with any other inline duct fan →
More from AC Infinity: every AC Infinity product ranked.