The strongest gable fan here, for a big attic with a large gable vent. The price only makes sense if the lifetime warranty matters.
Amazon $864.70The Natural Light SAF65G Solar Gable Fan is the better solar attic fan overall, rated 3.8 to 3.3. The Natural Light SAF65G Solar Gable Fan leads on panel. The QuietCool AFG SLR SMT 50W Gable Fan wins on features. The QuietCool AFG SLR SMT 50W Gable Fan costs $505.70 less ($359 vs $864.70).
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.
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 $359Which should you buy?
- Choose the Natural Light SAF65G Solar Gable Fan for panel (65 W panel vs 50 W panel).
- Choose the QuietCool AFG SLR SMT 50W Gable Fan for features (thermostat, AC backup vs separate or tilting panel).
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 | Natural Light SAF65G Solar Gable Fan | QuietCool AFG SLR SMT 50W Gable Fan |
|---|---|---|
| Overall rating | 3.8/5 | 3.3/5 |
| Value 25% | 21 $0.41 per CFM ($864.70, 2,105 CFM) | 61 $0.20 per CFM ($359, 1,780 CFM) |
| Airflow 15% | 79 2,105 CFM | 62 1,780 CFM |
| Panel 20% | 100 65 W panel | 80 50 W panel |
| Features 15% | 30 separate or tilting panel | 70 thermostat, AC backup |
| Warranty 25% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| Natural Light SAF65G Solar Gable Fan | QuietCool AFG SLR SMT 50W Gable Fan | |
|---|---|---|
| Airflow | ||
| Mount | Gable | Gable |
| Airflow | 2,105 CFM | 1,780 CFM |
| Attic area | 3,350 sq ft | 2,250 sq ft |
| Motor | DC | DC |
| Power | ||
| Panel | 65 W | 50 W |
| Separate or tilting panel | Yes | - |
| Thermostat | No | Yes |
| AC backup | No | Yes |
| Build | ||
| Warranty | Lifetime | - |
| Released | - | 2026-09 |
