Natural Light SAF48G Solar Gable Fan
#3 in Gable mountFull review
For a larger gable vented attic where the owner wants a big panel and a lifetime warranty. Night running needs a hybrid fan instead.
Amazon $703.70$703.70
The Natural Light SAF48G Solar Gable Fan is the better solar attic fan overall, rated 3.6 to 3.3. The QuietCool AFG SLR SMT 50W Gable Fan wins on features. The QuietCool AFG SLR SMT 50W Gable Fan costs $344.70 less ($359 vs $703.70).
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.
QuietCool AFG SLR SMT 50W Gable Fan
#5 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
Which should you buy?
- 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 SAF48G Solar Gable Fan | QuietCool AFG SLR SMT 50W Gable Fan |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 25% | 26 $0.37 per CFM ($703.70, 1,881 CFM) | 61 $0.20 per CFM ($359, 1,780 CFM) |
| Airflow 15% | 67 1,881 CFM | 62 1,780 CFM |
| Panel 20% | 76 48 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 SAF48G Solar Gable Fan | QuietCool AFG SLR SMT 50W Gable Fan | |
|---|---|---|
| Airflow | ||
| Mount | Gable | Gable |
| Airflow | 1,881 CFM | 1,780 CFM |
| Attic area | 2,825 sq ft | 2,250 sq ft |
| Motor | DC | DC |
| Power | ||
| Panel | 48 W | 50 W |
| Separate or tilting panel | Yes | - |
| Thermostat | No | Yes |
| AC backup | No | Yes |
| Build | ||
| Warranty | Lifetime | - |
| Released | - | 2026-09 |