SFA 20W Model Fans (GEN II)

Designed for roofs with good sun exposure throughout the day, our second generation SFA model series solar attic fans feature an adjustable unit mounted solar panel and offer a self-flashing base with pre-drilled mounting holes for easy installation on roofs with composite shingles, cedar shake, flat concrete tiles, or other low profile roofing materials.  Equipped with a high-efficiency 20 watt monocrystalline solar panel and designed with our proprietary UltraFlo® technology, the SFA model series offers both superior performance and durability, delivering up to 1400 CFM of airflow performance under full sun exposure.  In addition to industry leading performance, the SFA model series solar attic fans also come with an industry leading LIFETIME WARRANTY.