42W 12" Solar Attic Fan with Smart Power Adapter+Remote
42W 12" Solar Attic Fan with Smart Power Adapter+Remote
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LANGY 42W Solar Attic Fan
Reduce HVAC Costs Up to 40% & Protect Your Home Year-Round
Why Choose the 42W Solar Attic Fan
Slash HVAC Costs
Summer: Reduces attic temperatures by up to 40°F, lowering AC workload and energy bills.
Winter: Prevents moisture buildup, reducing mold, rot, and insulation damage risks.
Smart Thermostat Control
Built-in preset thermostat for automatic operation:
- Automatically starts at 77°F
- Automatically stops at 73°F
This feature can be disabled for manual control.
Quite & Maintenance-Free
42W high-efficiency solar panel provides quiet, clean energy operation.
Low noise level and no maintenance required
Built to Last
Steel support parts guarrantee solid structures and aluminum alloy frame delivers lightweight and conveniences
Hybrid solar + AC power ensures non-stop airflow 24/7.
Smart Thermostat Operation
The fan features intelligent thermostat control to optimize energy efficiency and maintain ideal attic conditions automatically.
The fan automatically activates when attic temperature reaches 77°F and stops when it cools to 73°F, maintaining optimal conditions without manual intervention.
Technical Specifications
| Model | SF-42 |
|---|---|
| Solar Panel Power | 18V/42W |
| Solar Panel Size | 20.2" x 17.75" |
| Airflow | Up to 1200 CFM |
| Coverage Area | 2,200 sq/ft |
| Adapter Voltage | 100-240V AC, 50/60 Hz |
| Fan Speeds | 8 levels |
| Controls | Built-in Preset Thermostat |
|---|---|
| Motor Type | DC 30W |
| Cap Dimension | 18.25" x 18.25" |
| Rough Cut-out | 12.3" x 12.3" |
| Flashing size | 22" x 22" |
| Remote control distance | 65ft |
| Warranty | 10 Years |
| Model | SF-42 |
|---|---|
| Solar Panel Power | 18V/42W |
| Solar Panel Size | 20.2" x 17.75" |
| Coverage Area | 2,200 sq/ft |
| Solar Panel Size | Up to 1200 CFM |
| Adapter Voltage | 100-240V AC, 50/60 Hz |
| Fan Speeds | 8 levels |
| Controls | Built-in Preset Thermostat |
| Motor Type | DC 30W |
| Cap Dimension | 18.25" x 18.25" |
| Rough Cut-out | 12.3" x 12.3" |
| Flashing size | 22" x 22" |
| Remote control distance | 65ft |
| Warranty | 10 Years ※ |
24/7 Hybrid Power Operation
The LANGY 42W's hybrid power system ensures continuous operation regardless of weather conditions, providing year-round attic ventilation.
Daytime Operation
Powered by high-efficiency solar panels using clean, renewable energy
42W solar panel provides ample power for maximum airflow
Night & Cloudy Days
Automatically switches to AC power when solar is insufficient or unavailable.
The adapter is a great supplement for the solar supply. And they can work independently.
The hybrid power system ensures your attic stays ventilated day and night, 365 days a year.
DIY-Friendly Installation
Installation is intuitive and a breeze
Video Guide
Step-by-step installation video
All Hardware
Everything included
Leak-Proof
Watertight design
Quick Setup
1-2 hours installation
Enhanced Energy Efficiency
The 42W solar attic fan utilizes renewable energy to operate efficiently, making it a sustainable choice for any home. This solar attic fan converts sunlight into power, thus reducing reliance on electricity and minimizing utility bills. Homeowners can save on costs while contributing positively to the environment, and that's a win-win for everyone!
Smart Power Adapter for Maximum Performance
This innovative attic fan comes with a smart power adapter that optimizes energy use according to weather conditions. It ensures that the fan operates at its highest efficiency, even on cloudy days. Because of this feature, the fan adjusts its power intake based on available sunlight, allowing it to work seamlessly throughout various weather scenarios and ensuring your attic remains well-ventilated.
Convenient Remote Control Feature
The included remote control adds exceptional convenience, allowing you to operate the fan from anywhere in your home. You no longer need to climb into the attic to turn it on or off. This is especially beneficial during hot summer months when immediate comfort is crucial. With just a click, you can optimize your attic's air circulation and maintain a more comfortable living environment.
SKU:SF-42W
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