42W 12" Solar Attic Fan with Smart Power Adapter+Remote
Premium Solar Attic Fan LANGY 42W Solar Attic Fan Reduce HVAC Costs Up to 40% & Protect Your Home Year-Round Key Features & Benefits Slash HVAC Costs Winter: Prevents moisture buildup, reducing mold, rot, and insulation damage risks. Summer: Reduces attic temperatures by up to 40°F, lowering AC workload and energy bills. 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. 10-Year Limited Warranty Smart Thermostat Operation The fan features intelligent thermostat control to optimize energy efficiency and maintain ideal attic conditions automatically. 73°F OFF 77°F ON Cool Comfortable Hot 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 Download Full Specifications (PDF) 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