{"product_id":"ecocalm-12-inch-solar-exhaust-fan-with-battery-adjustable-thermostat-680-cfm-2x-30w-bifacial-panels","title":"ecoCalm 12-inch Solar Exhaust Fan with Battery \u0026 Adjustable Thermostat – 680 CFM, 2x 30W Bifacial Panels","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the ecoCalm 12-inch Solar Exhaust Fan, a compact, solar-powered ventilation solution designed to move air in greenhouses, attics, sheds, and garages. It includes a built-in 5000mAh battery that stores daylight energy so you can enjoy air circulation after sunset or on cloudy days. The system intelligently switches between solar power and battery to keep things moving without manual intervention.\u003c\/p\u003e\n\n\u003ch2\u003eSmart, Solar-Powered Comfort\u003c\/h2\u003e\n\u003cp\u003eOur smart controller balances temperature and power, so the fan starts when cooling is needed and cycles off when the space feels comfortable. The built-in thermostat helps tailor operation to your preferences, while the battery can keep the fan running for about six hours after a bright day, offering continued ventilation when sun exposure is limited.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAutomatic on\/off behavior based on ambient temperature\u003c\/li\u003e\n\u003cli\u003eBattery backup for nighttime or low-sun periods\u003c\/li\u003e\n\u003cli\u003eQuiet, steady air movement to improve ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePower and Efficiency\u003c\/h2\u003e\n\u003cp\u003eTwo bifacial 30W solar panels capture light from both sides, delivering up to 48W of power under ideal conditions and boosting overall efficiency by up to 130% compared with single-face panels. This setup helps the exhaust fan operate reliably while charging the battery when sun shines, and acknowledges that performance can vary with weather.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eTwo-panel setup extends sun exposure and charging potential\u003c\/li\u003e\n\u003cli\u003e680 CFM of airflow moves air in spaces up to 1600 ft³\u003c\/li\u003e\n\u003cli\u003ePerformance adapts to sunlight; cloudy days may reduce output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDurable, Outdoor-Ready Design\u003c\/h2\u003e\n\u003cp\u003eBuilt for versatile mounting, the fan can install on a wall or window and features IP44-rated blades for splash resistance. A long 14.8-foot cable provides placement flexibility, making it suitable for greenhouses, barns, garden sheds, garages, and more. This design supports a range of environments without compromising reliability.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIP44 waterproof blades for outdoor-friendly use\u003c\/li\u003e\n\u003cli\u003e14.8 ft cable for flexible installation\u003c\/li\u003e\n\u003cli\u003eIdeal for greenhouse, attic, shed, barn, and garage ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePractical Benefits at a Glance\u003c\/h2\u003e\n\u003cp\u003eDesigned to reduce heat buildup and improve air movement, this unit offers solar autonomy with a battery boost, so you can experience better air quality and cooler spaces without relying on constant electrical power. It supports day-to-day comfort and potential plant health benefits in enclosed spaces, while presenting realistic expectations about performance under varying weather conditions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the ecoCalm 12-inch Solar Exhaust Fan operate at night?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, a 5000mAh battery provides about 6 hours of night ventilation after daylight charging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation difficult?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The unit mounts on a wall or window and includes a long 14.8 ft cable for flexible placement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ecoCalm","offers":[{"title":"Default Title","offer_id":48213864841460,"sku":"B0F4X7RX39","price":357.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/ecocalm-12inch-solar-exhaust-fan-battery.jpg?v=1778486510","url":"https:\/\/www.cerapatiogarden.com\/products\/ecocalm-12-inch-solar-exhaust-fan-with-battery-adjustable-thermostat-680-cfm-2x-30w-bifacial-panels","provider":"Cera Garden","version":"1.0","type":"link"}