OmniPV OP-SWF-40 Solar Gable Fan
#2 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
The OmniPV OP-SWF-40 Solar Gable Fan is the better solar attic fan overall, rated 3.3 to 3.1. The OmniPV OP-SWF-40 Solar Gable Fan leads on features. The VEVOR 14 in Solar Gable Fan costs $123.09 less ($145.90 vs $268.99).
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 OmniPV OP-SWF-40 Solar 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 | OmniPV OP-SWF-40 Solar Gable Fan | VEVOR 14 in Solar Gable Fan |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 25% | 78 $0.15 per CFM ($268.99, 1,800 CFM credited of 2,100 claimed (45 per panel watt)) | 94 $0.11 per CFM ($145.90, 1,300 CFM) |
| Airflow 15% | 63 1,800 CFM credited of 2,100 claimed (45 per panel watt) | 37 1,300 CFM |
| Panel 20% | 60 40 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
| OmniPV OP-SWF-40 Solar Gable Fan | VEVOR 14 in Solar Gable Fan | |
|---|---|---|
| Airflow | ||
| Mount | Gable | Gable |
| Airflow | 2,100 CFM | 1,300 CFM |
| Attic area | - | 1,850 sq ft |
| Fan | - | 14 in |
| Motor | brushless DC | - |
| Power | ||
| Panel | 40 W | - |
| Thermostat | Yes | Yes |
| AC backup | Yes | - |
| Build | ||
| Weight | 12 lb | 16.8 lb |