Best Wiwir in 2026

Suitable for Most Greenhouses-- Up to 15lb load-bearing capacity, JINGOU greenhouse Automatic Vent Opener kit is suitable for most greenhouse. Maximum opening weight 7 kg, Maximum height approx. 45 cm.

Solar Heat Sensitive Working Condition-- Solar greenhouse vent opener works when the temperature exceeds 77°F /25°C, solar vent opener will open. while temperature drops to 59°F /15°C, the greenhouse kit will shut down completely.

Upgraded Material, Reliable and Reusable-- JINGOU greenhouse side window automatic vent opener made of Zinc-coated Steel, Durable and Anti-rust , makes it has a longer servies time. Product Size 12x1.4 x1.57inch/31.5x3.5x4cm, Weight 0.97lb/440g.

Intelligent temperature control: Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops, As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating

Important notice:The proper temperature range of the opening cylinder of the greenhouse winder is 15 ° - 25 °/60 ° - 77 ° F. Do not use this opening cylinder where the temperature exceeds 50 ° (122F, This products need to be refrigerated before use it.

Convenient to use: The opening cylinder of the greenhouse winder is made of high-quality materials, durable and easy to use

DOUBLE SPRING -- Dual Spring Solar Vent Opener with Stronger Force, up to 15lbs. If 1 Set is still not enough for your window, you could use two window openers together.

PREMIUM QUALITY -- The window opener is made of high quality aluminum alloy. Durable and rust resistant in damp environments Long service life.

EASY TO INSTALL-- Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes. If you have any questions, please don't hesitate to contact with us.

1.Thicker and stronger material with 2-spring type, suitable for windy mountain area, resist wind twist.

2.Aluminium and stainless steel material, No worry corrosion.

3.Solar energy sourced, no operating cost, environmentaly friendly.

Suitable for Most Greenhouses：The maximum load-bearing capacity of the glass of the ventilation window does not exceed 15lb.

Working Condition：The maximum height of the open window is about 45 cm (18 inches).

Automatic Opening/ClosingUses Solar energy only, no power required.

Assembled dimension: 11" w x 2" d x 2" h

Automatically control ventilation

Protect your plants from heat exposure

Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

Can be clamped onto or screwed onto your greenhouse frame; Please ensure your greenhouse window can be opened freely by at least 45cm (18").Do not apply excessive loads by locking or covering window

Ideal for your greenhouse window--opens and closes your greenhouse window.

Automatic Adjustment and Overheating Prevention: This is the ideal window opener for opening and closing greenhouse window automatically. With the change of temperature, this window opener can maintain the most ideal growing temperature automatically in order to prevent greenhouse from being overheating

Easy to Set and Maintain Suitable Temperature: It is easy to clamp and set this window opener on the greenhouse frame. After set process, it can keep the greenhouse temperature

Powered by Solar Energy: This window opener is not powered by electricity, it can open or close the greenhouse vents as temperature rises or drops with solar energy

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.

👍【HIGH QUALITY】The window opener is made of premium aluminum alloy materials. The paint spraying aluminum frame looks more lustrous, durable and rust-proof.

👍【NO ELECTRIC POWER NEEDED】Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction.

👍【APPLICATION】Maximum window opening approximately 45cm/18'', depending on adjustment and load. Lifts vent weight up to 15.3 lbs ( 7 kg ),covers most of greenhouse windows.If it is still not enough for your window,you could use two window openers together.

Auo Window Opener:The bracket can open or closed the green house automatically based on temperature and prevents your greenhouse from overheating

Durable: The window opener made by galvanized sheet aluminum, durable and anti-rust

Working Condition:Auto vents opener adjust the temperature from 15 to 25°C (59 degree F-73 degree F) , helping to maintain optimal growing conditions in your greenhouse

1.Black Color powder coating for frame,looks nice and not rust.

2.Solar energy sourced, cost nothing to operate,environment friendly.

3.Both clamp and screws included, easy installation.

Changes Automatically: Automatic Opener Ideal for your greenhouse window,opens and closes your greenhouse window as the temperature changes automatically.It maintains the best growing temperature and prevents your greenhouse from overheating.

Adjustable Design: The Window Opener Kit can be fully adjusted between 15 - 25 ° C (60- 77 ° F) to better meet the greenhouse temperature regulation requirements.

Environmentally Friendly: Non need Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. The window opener will be very environmental and CO2-friendly throughout its whole lifetime.

BRILLIANT SUITABLE: Ideal for your greenhouse window--opens and closes your greenhouse window.

EXCELLENT PERFORMANCE: Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

SUPER BRIGHTNESS: Automatic window opener Kit can prevent greenhouse overheating. Can be clamped onto or screwed onto your greenhouse frame.

★Ideal for your greenhouse window--opens and closes your greenhouse window.

★As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

★Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

【practicality 】This is a replacement cylinder for automatic window opener

【excellent performance 】High sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse

【how it works 】Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops

DURABLE MATERIALS-Made of high quality of galvanized steel.Durable and strong for long time use.

PERFECT FOR GREENHOUSE WINDOW-This vent opener will automatically open and close your greenhouse window while the environment temperature changes , which will help you maintain the best growing temperature and prevents your greenhouse from overheating.

SOLAR POWERED&ECONOMIC-Use solar energy only,no batteries or electricity required..Economic and Eco-friendly.

⭐【More Reliable and Stable】Compared with the single spring vent opener, the double vent opener has stronger thrust force, more solid, and much durable. Universal fit for all aluminum frame greenhouse. The double spring window opener can be closed manually.

⭐【Auto Adjustment】Solar heat sensitive vent opener, automatic stretch or shrink the vent while the temperature is changing. Auto-opening temperature range is adjustable from 15-25℃(60-77℉) by turning the cylinder. (Clockwise for higher, counter-clockwise for lower)

⭐【High Weighting and Big Opening】Vents weighting up to 7kg/15lb. Maximum opening at about 30℃/86℉(depending on adjustment and load).

No Electricity Needed: Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars.

Working Conditions: Start to open:15°c:25°c (60°：77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.

Maximum Opening Weight: Window roof vent opener Suitable for greenhouse window up to 7kg/15lb (if more than 7kg, we recommend you to use two window opener).

Greenhouse Window Opener: The window opener is suitable for many greenhouses, it can be can be open and close greenhouse window, good ideal for yours.

Maximum window opening: 45cm, Maximum opening about: 30°, depending on adjustment and load, Maximum opening weight: 7kg/15lb, Adjustable open temperature range: 20°- 25°/68°-77F.

Automatically: The window opener changes automatically follow the temperature, which can maintains the best growing temperature and prevents your greenhouse from overheating.

Automatic Outlet Valve: The greenhouse window opener consumes no electricity and requires no batteries or electricity. The temperature changes automatically to maintain the optimal growth temperature and prevent the greenhouse from overheating

Solar Energy: Non-electricity that uses solar energy when the temperature rises or falls opens or closes the greenhouse openings. The solar heat sensitive vent can lift up to 15 pounds. The cylinder can be closed well before freezing and then opened again

Easy Installation: The window opener is equipped with screws that can be screwed directly into the plate using a screwdriver in a wooden or metal frame, which is very simple and convenient. If necessary, you will need to use a drilling tool to tighten and secure the catheter

Greenhouse Helper : As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

Solar Energy : Non-electric, this greenhouse vent automatic opener uses solar energy, open or close the greenhouse vents as temperature rises or drops.

Automatic Vent Opener Replacement : Ideal for your greenhouse window. This greenhouse window opener cylinder need to be refrigerated before use it.

This is a kit containing 1 of window opening bar, 2 of pegs and 6 of A2 stainless steel nuts.

Fits for the vast majority of greenhouse windows (roof vents).

Adopts high quality aluminum material, sturdy and durable.

1.Ideal for your greenhouse window--opens and closes your greenhouse window.

2.As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

3.Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

【Optimal Ventilation】Your plants are optimally ventilated through temperature-controlled opening and closing. Depending on the temperature, the piston of the cylinder moves and opens or closes the window.

【Prevent Your Greenhouse】As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating

【Individually Adaptable】This greenhouse window opener can be installed quickly and easily for the windows of common garden and greenhouses. You can steplessly adjust the opening angle by turning the cylinder and thus achieve the right ventilation for your bed.

Automation: High sensitivity, according to temperature changes can switch greenhouse vents automatic, maintaining optimal temperature

Environmental protection: Using solar energy, no need to charge, safe and reliable

Practical: No need to manually adjust the indoor temperature, save time and labor, create maximum efficiency

[Cylinder Replacement]: This is a replacement cylinder for automatic window opener, as the temperature changes automatically, the window regulator will remain open, prevents your greenhouse from overheating

[Automatical Design]: The automatically adjusted temperature is 15 to 25°C. When the temperature exceeds 25 degrees, the window regulator will remain open, can maintains the best growing temperature

[Solar Sensitive]: Non-electric, the greenhouse vent opener cylinder uses solar energy, open or close the greenhouse vents as temperature rises or drops; It is ideal for your greenhouse window

Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

This is a replacement cylinder for automatic window opener. Deal for your greenhouse window--opens and closes your greenhouse window.

High sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

No Electricity Needed: Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars. Do not use this opener cylinder anywhere the temperature will exceed 50° (122F).

Working Conditions: Start to open:15°c:25°c (60°：77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load.

Maximum Opening Weight: Window roof vent opener Suitable for greenhouse window up to 7kg/15lb (if more than 7kg, we recommend you to use two window opener).

Automatic Window Opener Prevent greenhouse overheating.

Ideal for your greenhouse window--opens and closes your greenhouse window.

As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.