Natural Light SAF48 Solar Attic Fan
#5 in Roof mountFull review
For a larger attic where the owner wants a lifetime warranty and a big panel. Buyers who need night running should look at hybrid fans.
Amazon $729.70$729.70
The Natural Light SAF48 Solar Attic Fan is the better solar attic fan overall, rated 3.6 to 3.3. The Natural Light SAF48 Solar Attic Fan leads on panel and features. The Natural Light SAF35 Low Profile Fan costs $199.75 less ($529.95 vs $729.70).
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.
Natural Light SAF35 Low Profile Fan
#10 in Roof mountFull review
For a south or west facing roof where looks matter and the owner wants a lifetime warranty. On a roof that faces away from the sun, a tilting panel does better.
Amazon $529.95$529.95
Which should you buy?
- Choose the Natural Light SAF48 Solar Attic Fan for panel (48 W panel vs 35 W panel) and features (separate or tilting panel vs none of the three).
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 | Natural Light SAF48 Solar Attic Fan | Natural Light SAF35 Low Profile Fan |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 25% | 24 $0.39 per CFM ($729.70, 1,881 CFM) | 32 $0.34 per CFM ($529.95, 1,575 CFM credited of 1,599 claimed (45 per panel watt)) |
| Airflow 15% | 67 1,881 CFM | 51 1,575 CFM credited of 1,599 claimed (45 per panel watt) |
| Panel 20% | 76 48 W panel | 50 35 W panel |
| Features 15% | 30 separate or tilting panel | 0 none of the three |
| Warranty 25% | 100 lifetime warranty | 100 lifetime warranty |
Specifications
| Natural Light SAF48 Solar Attic Fan | Natural Light SAF35 Low Profile Fan | |
|---|---|---|
| Airflow | ||
| Mount | Roof | Roof |
| Airflow | 1,881 CFM | 1,599 CFM |
| Attic area | 2,825 sq ft | 2,400 sq ft |
| Motor | DC | DC |
| Power | ||
| Panel | 48 W | 35 W |
| Separate or tilting panel | Yes | No |
| Thermostat | No | No |
| AC backup | No | No |
| Build | ||
| Warranty | Lifetime | Lifetime |