For a large attic where the buyer wants the most claimed airflow and an adjustable panel at a mid range price, without warranty assurance.
Amazon $3503 OmniPV solar attic fans ranked. Each one is scored and ranked against every brand in its mount, so "#3 mid-size" means third of all mid-size solar attic fans here, not third among OmniPV's own.
OmniPV makes 3 current solar attic fans: 2 roof mount and 1 gable mount. Prices run from $268.99 for the OmniPV OP-SWF-40 Solar Gable Fan to $350 for the OmniPV OP-SAF-50 Hybrid Solar Attic Fan. Its best-rated model in each size: the OmniPV OP-SAF-50 Hybrid Solar Attic Fan (#3 of 12 roof mount, rated 3.7) and the OmniPV OP-SWF-40 Solar Gable Fan (#2 of 5 gable mount, rated 3.3).
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.
OmniPV solar attic fans 3
- OmniPV OP-SAF-50 Hybrid Solar Attic Fan#3 roof mountFull review
For a large attic where the buyer wants the most claimed airflow and an adjustable panel at a mid range price, without warranty assurance.
Amazon $350$3502,850 CFM50 W- - OmniPV OP-SWF-40 Solar Gable Fan#2 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$268.992,100 CFM40 W- - OmniPV OP-SAF-40 Hybrid Solar Attic Fan#8 roof mountFull review
A hybrid roof fan with a thermostat for a medium attic at a fair price. The newer 50 W model is the better buy if the price gap stays small.
Amazon $299.90$299.902,100 CFM40 W-