Not every attic requires the largest ventilation system available. For smaller attics with good southern sun exposure, a compact solar attic fan can provide the airflow needed to help manage excessive heat without taking up unnecessary roof space.
The Attic Depot 25W Roof-Mount Solar Attic Fan is designed specifically for this purpose. Delivering up to 1,365 cubic feet per minute of airflow, it is recommended for attics up to 1,300 square feet.
Compact Size Without Sacrificing Performance
The 25W Solar Attic Fan measures just 18 inches by 18 inches by 8 inches. Its low-profile roof-mount design creates a clean finished appearance while providing active attic ventilation whenever adequate sunlight is available.
The fixed 25-watt solar panel powers a variable-speed 24-volt brushless motor. Because the fan operates using solar energy, it requires no connection to the home’s electrical system and does not add to the homeowner’s electric bill.
The fixed-panel design is best suited for a roof surface with strong southern sun exposure. When properly positioned and supported by adequate attic intake ventilation, the fan can help exhaust hot, stagnant attic air and draw replacement air through the home’s soffit or other intake vents.
Automatic Temperature Control
The 25W model includes an automatic thermostat. The fan activates when the attic temperature reaches approximately 85°F and turns off when the temperature falls to approximately 70°F.
This means the homeowner does not have to operate a switch or manually monitor attic conditions. The fan responds automatically when attic heat reaches the activation point and solar energy is available.
Unlike The Attic Depot’s larger solar attic fan models, the 25W model does not include a humidistat or an adjustable solar panel. It is intentionally designed as a straightforward, compact solution for smaller attics with suitable sun exposure.
Built for Roof-Mount Applications
The Attic Depot 25W Solar Attic Fan includes features designed for dependable exterior performance:
- Fixed 25-watt solar panel
- Up to 1,365 CFM
- Recommended for attics up to 1,300 square feet
- Variable-speed 24-volt brushless motor
- Automatic thermostat
- Activates at approximately 85°F
- Deactivates at approximately 70°F
- Whisper-quiet poly-vinyl fan blades
- Corrosion-resistant powder-coated finish
- Protective wildlife screen
- Hail- and wind-resistant design
- Compact 18-inch by 18-inch by 8-inch profile
- No electrical wiring required
Why Smaller Attics Still Need Proper Ventilation
A smaller attic can still trap substantial heat. During sunny weather, the roof absorbs solar radiation and transfers that heat into the attic. Without a clear path for air to enter and exit, elevated attic temperatures can place additional thermal stress on the roof, insulation and HVAC components located in the space.
Active solar ventilation helps exhaust heated attic air when solar exposure is strongest. The system works without adding electrical operating costs, making it a practical upgrade for appropriately sized attics.
However, an exhaust fan must have access to replacement air. Before installing any powered attic fan, contractors should confirm that soffit vents, baffles and other intake pathways are present, properly sized and free of obstructions.
Designed by The Attic Depot for Professional Contractors
The 25W Solar Attic Fan was designed by The Attic Depot and is manufactured to our specifications. It is branded and distributed exclusively by The Attic Depot through our professional contractor network.
The Attic Depot does not sell directly to homeowners. This protects our authorized dealers and ensures homeowners can work with qualified contractors who understand product placement, attic sizing and balanced ventilation.
Lifetime Product Protection
The complete fan is protected by The Attic Depot’s lifetime warranty against manufacturing defects. Labor and installation costs are not included.
This warranty gives contractors a strong product benefit to present to homeowners while providing long-term protection for the product itself.
Is the 25W Solar Attic Fan the Right Choice?
The 25W model may be the right fit when:
- The attic is no larger than approximately 1,300 square feet.
- The installation location receives strong southern sun exposure.
- A compact, low-profile roof-mounted fan is preferred.
- Automatic temperature-based operation is sufficient.
- The homeowner wants solar-powered ventilation with no electrical operating cost.
For larger attics, roofs with challenging sun exposure or applications requiring humidity control, one of The Attic Depot’s adjustable-panel models may be a better solution. Learn more about our solar attic fans.
Contractors interested in offering The Attic Depot Solar Attic Fans can apply to become an authorized dealer. Homeowners can use The Attic Depot’s dealer locator to find an authorized contractor serving their area.
