{"product_id":"automatic-vent-window-opener-for-greenhouse","title":"Automatic Vent\/Window Opener for Greenhouse","description":"\r\n\u003ch2\u003eAutomatic Greenhouse Vent Opener – Hassle-Free Climate Control\u003c\/h2\u003e\r\n\u003cp\u003eTake the guesswork out of greenhouse ventilation with this Automatic Vent Opener by Canopia. Designed to maintain the ideal temperature and airflow inside your greenhouse, this clever device opens and closes your roof vent automatically—no electricity required. It’s the perfect low-maintenance solution for protecting your plants from overheating, especially during spring and summer.\u003c\/p\u003e\r\n\u003ch3\u003eSelf-Regulating Temperature Control\u003c\/h3\u003e\r\n\u003cp\u003eThe opener works by using a heat-sensitive wax piston that expands and contracts based on the internal temperature. Once the temperature rises above 12–15°C, the arm starts to open the vent gradually, allowing excess heat and humidity to escape. As the greenhouse cools, the vent closes again—completely automatically.\u003c\/p\u003e\r\n\u003ch3\u003eEnergy-Free and Compatible\u003c\/h3\u003e\r\n\u003cp\u003eIdeal for any gardener looking to automate greenhouse care, this mechanical opener doesn’t rely on electricity or batteries. It fits all Palram – Canopia greenhouses that feature roof vents, and is quick and easy to install using the included mounting hardware.\u003c\/p\u003e\r\n\u003ch3\u003eKey Features \u0026amp; Benefits:\u003c\/h3\u003e\r\n\u003cul\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eAutomatic operation:\u003c\/strong\u003e Opens and closes the roof vent based on internal temperature.\u003c\/li\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eSolar-powered system:\u003c\/strong\u003e Heat-activated with no need for electricity or wiring.\u003c\/li\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eOptimises plant health:\u003c\/strong\u003e Ensures steady airflow and prevents overheating.\u003c\/li\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eStarts at 12–15°C:\u003c\/strong\u003e Opens progressively for precise ventilation control.\u003c\/li\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eMaintenance-free:\u003c\/strong\u003e Simple, robust mechanism with long-term reliability.\u003c\/li\u003e  \r\n\t\u003cli\u003e\n\u003cstrong\u003eUniversal fit:\u003c\/strong\u003e Compatible with all Canopia greenhouses that have roof vents.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eWhat’s Included:\u003c\/h3\u003e\r\n\u003cul\u003e  \r\n\t\u003cli\u003eAutomatic vent opening mechanism\u003c\/li\u003e  \r\n\t\u003cli\u003eMounting hardware and fittings\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eThis automatic opener is the ideal accessory for any greenhouse owner who wants to create a healthier growing environment while saving time and effort. With no electricity needed, it's a sustainable and dependable upgrade for year-round gardening comfort.\u003c\/p\u003e ","brand":"Palram","offers":[{"title":"Default Title","offer_id":56503351148930,"sku":"GRN20524","price":59.67,"currency_code":"DKK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/8581\/3378\/files\/automatic_window_opener_for_greenhouses__1__65595.webp?v=1774261756","url":"https:\/\/greenhouse-shop.co.uk\/products\/automatic-vent-window-opener-for-greenhouse","provider":"Greenhouse","version":"1.0","type":"link"}