Hon&Guan Solar Attic Fan with Thermostat, 40 Watt Solar Roof Vent Exhaust Fan, 12", 2000 CFM, Cools up to 2500 Sq.Ft, Brushless Copper Motor, 2 Modes, Dual Power Auto-Switch

Hon&Guan Solar Attic Fan with Thermostat, 40 Watt Solar Roof Vent Exhaust Fan, 12", 2000 CFM, Cools up to 2500 Sq.Ft, Brushless Copper Motor, 2 Modes, Dual Power Auto-Switch

• Efficient Ventilation to Remove Heat & Humidity: Solar attic exhaust fan delivers up to 2000 CFM of airflow, cooling spaces up to 2500 sq ft. It removes indoor heat and moisture, protects your attic from damage, keeps home air fresh, and eases the load on your air conditioning system.
• Multi-Angle Adjustment & 24/7 Operation: Solar-powered attic fan can be adjusted 0-70° both horizontally and vertically for optimal solar exposure. Comes with an AC/DC adapter for continuous day-and-night operation. No Battery Backup.
• Two Modes & Thermostat: Mode Ⅰ (Energy Saving): Solar roof fan's airflow varies with sunlight. The adapter also is used as an energy supplement for steady airflow. Mode Ⅱ (Performance): Adjust solar roof ventilation fan speed (1–4) via the control knob (4 = max). (AC/DC adapter required for Mode 2. ) In both modes, you can enable/disable the roof vent fan's auto-start at a set temperature (68–113°F).
• AC/Solar Auto-Switching & Reduce Energy Bill: With the adapter connected, the system prioritizes solar power on sunny days, with mains power as supplementary support to reduce reliance on home electricity. On cloudy days or at night, it automatically switches to household electricity as the primary source for continuous, stable fan operation. Solar exhaust fan is ideal for attics, workshops, garages, and more.
• Durable & Weatherproof: Weatherproof brushless copper motor. High strength metal housing is hail and weather resistant. Solar vent fan is your reliable and ideal ventilation solution.
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