AC Infinity CLOUDLINE A8
#7 in 8 in and upFull review
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.
Amazon $139$139
The AC Infinity CLOUDLINE A8 and the AC Infinity CLOUDLINE S10 are evenly matched, rated 2.7 and 2.7. The AC Infinity CLOUDLINE A8 leads on value and noise. The AC Infinity CLOUDLINE S10 wins on airflow and efficiency. The AC Infinity CLOUDLINE A8 costs $140 less ($139 vs $279).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
AC Infinity CLOUDLINE S10
#8 in 8 in and upFull review
A 10 in EC fan for grow rooms and big carbon filters, with the highest static pressure in the range. Loud near full speed.
Amazon $279$279
Which should you buy?
- Choose the AC Infinity CLOUDLINE A8 for value ($19.20 per 100 CFM ($139, 724 CFM) vs $23.23 per 100 CFM ($279, 1,201 CFM)) and noise (42 dBA at full speed vs 48 dBA at full speed).
- Choose the AC Infinity CLOUDLINE S10 for airflow (1,201 CFM through 10 in duct vs 724 CFM through 8 in duct) and efficiency (4.7 CFM per watt (1,201 CFM, 255 W) vs 3.8 CFM per watt (724 CFM, 190 W)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 8 in and up inline duct fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | AC Infinity CLOUDLINE A8 | AC Infinity CLOUDLINE S10 |
|---|---|---|
| Overall rating | 2.7/5 | 2.7/5 |
| Value 25% | 41 $19.20 per 100 CFM ($139, 724 CFM) | 23 $23.23 per 100 CFM ($279, 1,201 CFM) |
| Efficiency 25% | 9 3.8 CFM per watt (724 CFM, 190 W) | 19 4.7 CFM per watt (1,201 CFM, 255 W) |
| Airflow 15% | 56 724 CFM through 8 in duct | 80 1,201 CFM through 10 in duct |
| Noise 15% | 51 42 dBA at full speed | 34 48 dBA at full speed |
| Controls 10% | 40 speed controller included | 40 speed controller included |
| Warranty 10% | 25 2-year warranty | 25 2-year warranty |
Specifications
| AC Infinity CLOUDLINE A8 | AC Infinity CLOUDLINE S10 | |
|---|---|---|
| Performance | ||
| Duct size | 8 in | 10 in |
| Rated airflow | 724 CFM | 1,201 CFM |
| Static pressure (not scored) | 746 Pa | 1,059 Pa |
| Power at full speed | 190 W | 255 W |
| Power figure | Max power draw | Max power draw |
| Average power (not scored) | 72 W | 136 W |
| Airflow per watt | 3.8 CFM/W | 4.7 CFM/W |
| Price per 100 CFM | $19.20 | $23.23 |
| Noise at full speed | 42 dBA | 48 dBA |
| Controls | ||
| Motor | EC | EC |
| Controller | 10-speed controller | 10-speed controller |
| Speeds | 10 | 10 |
| Temperature and humidity control | No | No |
| Phone app | No | No |
| Timer or cycle modes | No | No |
| Build | ||
| Housing | Plastic | Plastic |
| Ingress rating | IP44 | IP44 |
| Voltage | 100-240 V | 100-240 V |
| Warranty | 2 years | 2 years |