Solar Attic Ventilation Exhaust Fan

This Solar Attic Ventilation Exhaust Fan, developed for attics and roof spaces, is an attic-specific ventilation exhaust device powered by solar energy and installed on roofs. Attic temperatures can soar above 60°C under direct summer sunlight, with high temperatures not only accelerating roof waterproof material aging and shortening roof service life, but also conducting heat through floor slabs to downstairs rooms, leading to increased air conditioning load and soaring electricity bills. Traditional attic ventilation openings rely on natural convection with extremely low ventilation efficiency, while grid-powered exhaust fans require cable laying on roofs, with complex construction and electric leakage hazards. Our Solar Attic Ventilation Exhaust Fan is equipped with a high-efficiency solar panel installed on the sunny side of the roof, directly driving the fan to operate in sunlight at zero electricity cost and zero wiring, powerfully expelling hot air from the attic while drawing in cool external air from eave vents, effectively reducing attic temperature by 15-20°C, significantly reducing roof aging and downstairs air conditioning energy consumption. The device uses a high-airflow axial fan with maximum exhaust airflow up to 2,000m³/h, suitable for 100-300 square meter attic spaces.

For structure and durability, this Solar Attic Ventilation Exhaust Fan is specially designed for roof outdoor environments. The fan housing and base use aluminum alloy material, lightweight, corrosion-resistant, and rust-free, usable long-term in outdoor sun and rain environments with a service life of over 15 years. The solar panel uses tempered glass laminated panel with IP65 waterproof and dustproof rating, hail-impact resistant, resisting various harsh weather. The fan is equipped with an insect-proof mesh cover to prevent birds, insects, and fallen leaves from entering the duct, while protecting blades from external damage. The device can be optionally equipped with a thermostat - automatically turning on the fan for exhaust when attic temperature exceeds the set value (default 40°C), and automatically stopping when temperature drops below the set value, achieving unattended smart temperature-controlled ventilation, both ensuring coolingeffect and avoiding unnecessary operation. Our factory has decades of fan manufacturing experience, predecessor being the state-owned Shengxian Grain Machinery Factory, with deep technical accumulation in axial fan impeller and motor manufacturing, producing 10,000 complete fan units monthly with all core components self-produced. Each Solar Attic Ventilation Exhaust Fan undergoes airflow testing, waterproof testing, salt spray corrosion testing, and 8-hour continuous operation testing before shipment. For overseas building materials channel dealers, roof engineering contractors, and energy-conscious residential owners, the Solar Attic Ventilation Exhaust Fan is a zero-operating-cost, easy-to-install, effective attic cooling solution, suitable for promotion in building materials channels, roof engineering support, and online energy-saving product zones, with particularly strong market demand in hot summer regions such as North America, Australia, and Southeast Asia.

Residential attic and roof space summer cooling and exhaust; villa and duplex roof ventilation; warehouse and factory building roof heat dissipation and exhaust; farm and livestock house roof ventilation; old building energy-saving renovation roof ventilation.

Our production base is located in Shengzhou Economic Development Zone, Zhejiang Province, with a 10,000-square-meter production workshop and over 80 employees, equipped with a full set of metal processing equipment including laser cutting machines, turret punch presses, CNC lathes, and punch presses, as well as multiple automated assembly lines. Our predecessor was the state-owned Shengxian Grain Machinery Factory with over 40 years of mechanical manufacturing history, with deep technical accumulation in axial fan impeller dynamic balance correction, aluminum alloy housing precision processing, and outdoor anti-corrosion treatment. Monthly production capacity reaches 10,000 complete fan units and 50,000 impellers, with annual output value exceeding 13 million RMB and products exported to Southeast Asia, Latin America, Europe, North America, and other markets, stablyhandling bulk orders for roof ventilation projects.

We are ISO9000 quality management system certified and have established a dedicated quality inspection process for roof ventilation products. Each Solar Attic Ventilation Exhaust Fan undergoes before shipment: 8-hour continuous operation aging test, standard airflow test bench verification of actual airflow, waterproof performance test (IP65 verification), salt spray corrosion test (verifying outdoor corrosion resistance), motor temperature rise test, and electrical safety test. Aluminum alloy housings have undergone anodizing treatment, and solar panels have undergone efficiency testing and impact resistance testing. We accept third-party inspection and can cooperate with agencies such as SGS and BV for pre-shipment inspection.

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