QuietCool AFG SLR SMT 50W Gable Fan
#3 in Gable mountFull review
For a gable vented attic where the owner wants app control and steady airflow around the clock, at the same price as the simpler AFG SLR-40.
Amazon $359$359
The QuietCool AFG SLR SMT 50W Gable Fan is the better solar attic fan overall, rated 3.3 to 3.1. The QuietCool AFG SLR SMT 50W Gable Fan leads on features. The VEVOR 14 in Solar Gable Fan costs $213.10 less ($145.90 vs $359).
VEVOR 14 in Solar Gable Fan
#4 in Gable mountFull review
A low cost gable fan for a garage, shop or small attic where a short warranty is acceptable.
Amazon $145.90$145.90
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the QuietCool AFG SLR SMT 50W Gable Fan for features (thermostat, AC backup vs thermostat).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every gable mount solar attic fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | QuietCool AFG SLR SMT 50W Gable Fan | VEVOR 14 in Solar Gable Fan |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 25% | 61 $0.20 per CFM ($359, 1,780 CFM) | 94 $0.11 per CFM ($145.90, 1,300 CFM) |
| Airflow 15% | 62 1,780 CFM | 37 1,300 CFM |
| Panel 20% | 80 50 W panel | 50 panel rating not published (neutral score used) |
| Features 15% | 70 thermostat, AC backup | 40 thermostat |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| QuietCool AFG SLR SMT 50W Gable Fan | VEVOR 14 in Solar Gable Fan | |
|---|---|---|
| Airflow | ||
| Mount | Gable | Gable |
| Airflow | 1,780 CFM | 1,300 CFM |
| Attic area | 2,250 sq ft | 1,850 sq ft |
| Fan | - | 14 in |
| Motor | DC | - |
| Power | ||
| Panel | 50 W | - |
| Thermostat | Yes | Yes |
| AC backup | Yes | - |
| Build | ||
| Weight | - | 16.8 lb |
| Released | 2026-09 | - |