Best Automatic Window Closures

BIBISTORE Solar Automatic Window Opener for Greenhouse Heat Sensitive Auto Greenhouse Vent Opener Greenhouse Accessories Hothouse Roof Vent Kit-Lifts 15 Lbs

... 【APPLICATION】Maximum window opening approximately 45cm/18'', depending on adjustment and load. Window roof vent opener Suitable for greenhouse window up to 7kg (if more than 7kg, we recommend you to use two window opener)..
【AUTOMATIC】This opener will automatically open and close your greenhouse window, as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating..
【NOTICE】 Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50°.

Automatic Temperature Control: Our solar-powered greenhouse window opener opens and closes vents according to the temperature, ensuring optimal growing conditions without any manual intervention..
Energy-Efficient and Eco-Friendly: With no batteries or electricity required, this automatic greenhouse vent opener is a smart, sustainable choice that helps reduce your carbon footprint and save on energy costs..
Durable and Rust-Proof: Featuring an aluminum spray-painted cylinder, the solar window opener is built to last and withstand harsh weather conditions. Its shiny finish adds a touch of elegance to your greenhouse..
Wide Vent Angle and Maximum Opening: This automatic greenhouse vent opener opens vents at an angle of about 30°, allowing for optimal air circulation. With a maximum opening of 18 inches, it provides ample ventilation for your plants..
Easy to Install: The greenhouse window opener comes with a comprehensive installation kit and a detailed manual, making it easy to install even for beginners. Get the most out of your greenhouse with our reliable and convenient automati....

【HIGH QUALITY】All parts corrosion resistant. Spring controlled - Resists wind damage when opening and closing. When temperature above 25°/77°F,....
【NON ELECTRIC】Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling....
【APPLICATION】Maximum window opening approximately 45cm/18'', depending on adjustment and load. Window roof vent opener Suitable for greenhouse....
【AUTOMATIC】This opener will automatically open and close your greenhouse window, as the temperature changes automatically, maintains the best....
【NOTICE】 Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an....