OmniPV OP-SAF-50 Hybrid Solar Attic Fan
#3 in 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$350
The OmniPV OP-SAF-50 Hybrid Solar Attic Fan is the better solar attic fan overall, rated 3.7 to 2.9. The OmniPV OP-SAF-50 Hybrid Solar Attic Fan leads on features and panel. The DC House 32W Solar Attic Fan costs $200.01 less ($149.99 vs $350).
DC House 32W Solar Attic Fan
#10 in Roof mountFull review
A low cost, solar only fan for a shed, garage or small attic where any extra airflow helps. The airflow claim and short coverage make it a gamble for a whole house.
Amazon $149.99$149.99
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-SAF-50 Hybrid Solar Attic Fan for features (thermostat, AC backup, separate or tilting panel vs none of the three) and panel (50 W panel vs 32 W panel).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every roof mount solar attic fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | OmniPV OP-SAF-50 Hybrid Solar Attic Fan | DC House 32W Solar Attic Fan |
|---|---|---|
| Overall rating | 3.7/5 | 2.9/5 |
| Value 25% | 75 $0.16 per CFM ($350, 2,250 CFM credited of 2,850 claimed (45 per panel watt)) | 98 $0.10 per CFM ($149.99, 1,440 CFM credited of 2,400 claimed (45 per panel watt)) |
| Airflow 15% | 87 2,250 CFM credited of 2,850 claimed (45 per panel watt) | 44 1,440 CFM credited of 2,400 claimed (45 per panel watt) |
| Panel 20% | 80 50 W panel | 44 32 W panel |
| Features 15% | 100 thermostat, AC backup, separate or tilting panel | 0 none of the three |
| Warranty 25% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| OmniPV OP-SAF-50 Hybrid Solar Attic Fan | DC House 32W Solar Attic Fan | |
|---|---|---|
| Airflow | ||
| Mount | Roof | Roof |
| Airflow | 2,850 CFM | 2,400 CFM |
| Attic area | 4,000 sq ft | 3,000 sq ft |
| Fan | - | 9 in |
| Motor | brushless DC | brushless, IP68 |
| Power | ||
| Panel | 50 W | 32 W |
| Separate or tilting panel | Yes | - |
| Thermostat | Yes | - |
| AC backup | Yes | No |
| Build | ||
| Warranty | - | 1 year |