{"product_id":"solar-attic-fan-40w-1230-cfm-roof-vent-thermostat-smart-adapter","title":"Solar Attic Fan 40W 1230 CFM Roof Vent with Thermostat \u0026 Adapter","description":"\n\u003ch2\u003eSolar Attic Fan 40W – 1230 CFM Roof Ventilation with Smart Adapter \u0026amp; Thermostat\u003c\/h2\u003e\n\u003cp\u003eKeep your attic cool, your energy bills lower, and your home more comfortable year-round with this powerful \u003cstrong\u003e40W MPPT Solar Attic Fan\u003c\/strong\u003e. Designed for homeowners who want an eco-friendly, low-maintenance ventilation solution, this solar roof vent delivers \u003cstrong\u003e1230 CFM of airflow\u003c\/strong\u003e using clean solar energy — and seamlessly switches to grid power at night so your attic stays ventilated 24\/7.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Solar Attic Fan?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40W MPPT Solar Panel:\u003c\/strong\u003e The Maximum Power Point Tracking (MPPT) controller extracts the maximum available energy from the solar panel, even in low-light conditions, maximizing efficiency throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1230 CFM High-Airflow Brushless DC Motor:\u003c\/strong\u003e The quiet, energy-efficient brushless DC motor moves up to 1230 cubic feet of air per minute, making it ideal for large attics, great rooms, and wide-span roof spaces. Low noise operation keeps your home peaceful.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Thermostat with Auto Speed Control:\u003c\/strong\u003e Set your desired temperature range and the fan automatically adjusts its speed — no manual intervention needed. This intelligent control helps maintain consistent attic temperatures throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24\/7 Operation with Smart Power Adapter:\u003c\/strong\u003e Includes a power adapter with a 9.84 ft cord that automatically switches from solar to electric power when sunlight is unavailable — perfect for cloudy days, rainstorms, or nighttime use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Control (Up to 65 ft):\u003c\/strong\u003e Conveniently turn the fan on or off from across your property with the included portable remote — no need to climb back onto the roof.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeatherproof \u0026amp; Hail-Resistant Panel:\u003c\/strong\u003e The tilted solar panel features 5 adjustable angles to maximize sun exposure at any roof pitch. Built to withstand hail, lightning, and harsh weather conditions for long-lasting outdoor durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsect Screen Included:\u003c\/strong\u003e Keeps insects, debris, and small animals from entering your attic through the vent opening.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Roof Compatibility:\u003c\/strong\u003e Compatible with both metal and masonry (shingle) roofs. Detailed installation guides for multiple roof types are included — no electrician required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSolar Panel Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e40W MPPT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eAirflow Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1230 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eBrushless DC (Low Noise)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Adapter Cord\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e9.84 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRemote Control Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eUp to 65 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePanel Angle Adjustments\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e5 positions\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eCE Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRoof Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMetal \u0026amp; Masonry\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGo Green \u0026amp; Reduce Energy Costs\u003c\/h3\u003e\n\u003cp\u003eSolar-powered attic ventilation is one of the most effective ways to reduce your home's cooling load during warm months. By expelling superheated attic air before it radiates down into living spaces, an attic fan helps your HVAC system run more efficiently. Learn more about home energy efficiency from the U.S. Department of Energy – Attic Ventilation.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Attic_fan\" target=\"_blank\" rel=\"noopener\"\u003eAttic fan\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can the solar attic fan run at night or on cloudy days?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The included smart power adapter (with 9.84 ft cord) automatically switches the fan from solar to standard electric power when sunlight is insufficient — including at night, during heavy cloud cover, or on rainy days. This ensures continuous 24\/7 attic ventilation regardless of weather conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How difficult is installation? Do I need an electrician?\u003c\/h4\u003e\n\u003cp\u003eA: The solar attic fan works right out of the box and is designed for DIY installation. Detailed step-by-step instructions are provided for multiple roof types — including metal and masonry (shingle) roofs. No electrician is required for standard solar-only operation. Connecting the power adapter to a standard outlet is straightforward as well.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the built-in thermostat do?\u003c\/h4\u003e\n\u003cp\u003eA: The thermostat lets you set a target temperature range for your attic. Once the temperature exceeds your set threshold, the fan automatically increases its speed to expel hot air faster. When temperatures drop back to your desired level, it slows down or stops — conserving energy and extending the fan's lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this solar attic fan weatherproof?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The solar panel and fan housing are engineered to withstand hail, lightning, and prolonged weathering. The brushless DC motor is also waterproof, making this unit built for long-term outdoor use through multiple seasons.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How large of an attic can this fan ventilate?\u003c\/h4\u003e\n\u003cp\u003eA: With a 1230 CFM airflow rating, this fan is suited for ventilating large attics and great room spaces. For best results, ensure there is adequate intake ventilation (soffit vents) to allow replacement air to enter while the fan expels hot air from the roof.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can the solar attic fan run at night or on cloudy days?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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