Natural Light SAF65G Solar Gable Fan
#1 in Gable mountFull review
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 $864.70$864.70
The 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 OmniPV OP-SWF-40 Solar Gable Fan wins on features. The OmniPV OP-SWF-40 Solar Gable Fan costs $595.71 less ($268.99 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.
OmniPV OP-SWF-40 Solar Gable Fan
#4 in Gable mountFull review
A hybrid gable fan with a strong airflow claim at a mid range price, for a buyer who can live without a stated warranty.
Amazon $268.99$268.99
Which should you buy?
- Choose the Natural Light SAF65G Solar Gable Fan for panel (65 W panel vs 40 W panel).
- Choose the OmniPV OP-SWF-40 Solar 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 | OmniPV OP-SWF-40 Solar Gable Fan |
|---|---|---|
| Overall rating | 3.8/5 | 3.3/5 |
| Value 25% | 21 $0.41 per CFM ($864.70, 2,105 CFM) | 78 $0.15 per CFM ($268.99, 1,800 CFM credited of 2,100 claimed (45 per panel watt)) |
| Airflow 15% | 79 2,105 CFM | 63 1,800 CFM credited of 2,100 claimed (45 per panel watt) |
| Panel 20% | 100 65 W panel | 60 40 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 | OmniPV OP-SWF-40 Solar Gable Fan | |
|---|---|---|
| Airflow | ||
| Mount | Gable | Gable |
| Airflow | 2,105 CFM | 2,100 CFM |
| Attic area | 3,350 sq ft | - |
| Motor | DC | brushless DC |
| Power | ||
| Panel | 65 W | 40 W |
| Separate or tilting panel | Yes | - |
| Thermostat | No | Yes |
| AC backup | No | Yes |
| Build | ||
| Weight | - | 12 lb |
| Warranty | Lifetime | - |