High Profile 20W Solar Attic Fan Custom Brushless DC Motor Max 1599cfm

High Profile 20W Solar Attic Fan Custom Brushless DC Motor Max 1599cfm. Custom Brushless DC Motor: High performance brushless DC motor with long lifespan and extremely quiet operation. High Airflow Capacity: Max air flow rate reaches 1599 cfm with 4-wing nylon fan blade for efficient ventilation. Eco-Friendly Solar Power: Fully powered by 20W high-efficiency solar panel, reducing electric bills and heat build-up. Durable Construction: Heavy duty powder coated steel shroud and stainless steel screen for strong and durable use. Smart Thermostat Control: Preset thermostat/humidistat automatically controls temperature and humidity for optimal comfort. Versatile Roof Installation: Suitable for tile, metal, cement, glass roofs, and gabled dormers for easy installation. Multi-Scenario Application: Ideal for homes, factories, warehouses, greenhouses, sheds, and basements to improve air quality. Optional AC-DC Adapter: Optional auto AC-DC adapter ensures 24-hour operation when sunlight is insufficient.