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The maximum load-bearing capacity of the glass of the ventilation window does not exceed 33lb. Excellent quality:stainless steel galvanized sheet, double spring design, automatic temperature adjustment 15-25°.


Double spring--double spring mechanism protects against wind gusts. Auto window opener--as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.



Automatic opening/closing: the greenhouse window opener automatically opens and closes through the thermal induction of temperature, it does not consume any power, energy-saving and environmentally friendly.

Individually adaptablecan be installed quickly and easily for the windows of common garden and greenhouses. Optimal ventilationyour plants are optimally ventilated through temperature-controlled opening and closing.
You can steplessly adjust the opening angle by turning the cylinder and thus achieve the right ventilation for your bed. No electricity requiredenvironmental awareness preprogrammed - the automatic window opener is a temperature-controlled, fully automatic device. Depending on the temperature, the piston of the cylinder moves and opens or closes the window.

The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50°. High qualityall parts corrosion resistant. Spring controlled - resists wind damage when opening and closing.
Applicationmaximum 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. Non electricuses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction.

Working principle of greenhouse vent automatic opener: if the temperature of the greenhouse rises, and the spring force will push it out due to the increase in pressure. Window opener can be open and close greenhouse window, no worry corrosion, good ideal for yours.
Window opens. The greenhouse window opener works by temperature: As the temperature changes automatically, open or close the greenhouse vents as temperature rises or drops. Maintains the best growing temperature and prevents your greenhouse from overheating, this plays a vital role in greenhouse planting and can better promote crop growth. Ideal for your greenhouse window, wall and hobby vents in higher wind situations. Automatic window opener prevent hobby greenhouse overheating.
1. A ANLEOLIFE
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Up to 30lbs Dual Spring Opener, Automatic Roof Vent Opener Snap Grow Greenhouse Acessories Solar Window Louvre Thread Opener
#adA ANLEOLIFE #ad - Starts opening between 59 - 77°F, Replaces manual vent arm. Screw directly into polycarbonate panels, wood, or metal frames. Dual spring solar vent Opener with Stronger Force, up to 30lbs.More information #ad
Automatic window Opener Prevent hobby greenhouse overheating. Ideal for your greenhouse window, wall and hobby vents in higher wind situations.Brand | A ANLEOLIFE #ad |
Manufacturer | A ANLEOLIFE #ad |
More information #ad
2. Ycsst
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Ycsst Univent Automatic Vent Opener Standard Automatic Roof Vent Opener Solar Heat Sensitive Greenhouse Autovent Vent Opener Standard Two Springs Solar Automatic Ventilation Openers-Lifts 33 Lbs.
#adYcsst #ad - Suitable for most greenhouses:the automatic window opener is suitable for greenhouse planting. This product is only suitable for windows installed in greenhouses.The maximum load-bearing capacity of the glass of the ventilation window does not exceed 33lb. Excellent quality:stainless steel galvanized sheet, double spring design, automatic temperature adjustment 15-25°.
More information #ad
Working conditionthe maximum height of the open window is about 45 cm 18 inches. Tips:note: 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°. Easy to install:Uses Solar energy only, no power required.Brand | Ycsst #ad |
Manufacturer | Ycsst #ad |
Height | 1.57 Inches |
Length | 12.4 Inches |
Weight | 1.23 Pounds |
Width | 1.38 Inches |
More information #ad
3. Palram
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Gray, Palram HG1005 Auto Greenhouse Vent Opener
#adPalram #ad - Simple, oil-filled cylinder, no power needed. Replaces manual vent arm. Installs quickly and easily. Opens automatically when temperature rises.More information #ad
Brand | Palram #ad |
Manufacturer | Palram #ad |
Height | 3 Inches |
Length | 16 Inches |
Weight | 1 Pounds |
Width | 3 Inches |
Part Number | HG1005 |
Model | HG1005 |
More information #ad
4. GM G-MORE
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With Solar Power Sensor Window Vent Opener, G-More Greenhouse Automatic Window Opener Automatic Vent Opener with Double Spring Solar Vent Roof Opener Replacement Cylinder Temperature Control
#adGM G-MORE #ad - Screw directly into polycarbonate panels, or metal frames. 2. Premium quality--the window opener is made of high quality aluminum alloy. Easy to install-- we have attached an installation manual, and there is video in listing for your reference.Double spring--double spring mechanism protects against wind gusts. Auto window opener--as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
More information #ad
30°. Maximum opening--approx. Clamps to greenhouse bars, wood, no drilling needed. The automatic vent opener is appropriated for most of the current garden greenhouses. Lift up to 15lbs. Durable and rust resistant in damp environments Long service life. There is two ways to install: 1. If you have any questions, please don't hesitate to contact us. Maximum window opening: 45 cm.Brand | GM G-MORE #ad |
More information #ad
5. Agriculture Solutions
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Lifts 15 Lbs, Agriculture Solutions Univent Automatic Vent Opener Standard
#adAgriculture Solutions #ad - Screw directly into polycarbonate panels, wood, or metal frames. Starts opening between 55 - 75°F, depending on how you have adjusted the vent. Solar vent opener can lift up to 15 lbs.More information #ad
Brand | Agriculture Solutions #ad |
Manufacturer | Agriculture Solutions LLC #ad |
Height | 1.97 Inches |
Length | 11.81 Inches |
Weight | 0.88 Pounds |
Width | 1.97 Inches |
Part Number | 441665 |
Model | 441665 |
More information #ad
6. BIBISTORE
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BIBISTORE Auto Vent Greenhouse Window Opener with Two Springs Solar Automatic Ventilation Openers for Hothouse Cold Frame Gardening Tools-No Power Needed,Lifts 30 Lbs
#adBIBISTORE #ad - Aluminum and Stainless steel material for durability. Great trouble free dual spring design. Easy to fit onto your greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes.More information #ad
Best for awning style windows. Uses solar energy only, no power required. Two springs are more strong and better withstand Wind.Brand | BIBISTORE #ad |
Manufacturer | BIBISTORE #ad |
Part Number | BB-410 |
More information #ad
7. JINGOU
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JINGOU Automatic Greenhouse Window Opener, Lifts 15 Lbs, Auto Solar Vent Opener with Solar Power Sensor, Automatic Roof Vent Opener for Greenhouse
#adJINGOU #ad - Suitable for most greenhouses: up to 15lb load-bearing capacity, JINGOU automatic greenhouse vent kit is suitable for most greenhouse. When the temperature drops to 59°F 15°C, the greenhouse kit will shut down completely.Automatic opening/closing: the greenhouse window opener automatically opens and closes through the thermal induction of temperature, it does not consume any power, energy-saving and environmentally friendly.
More information #ad
Excellent quality: jingou automatic greenhouse vents are made of zinc-coated steel, durable and anti-rust, it has a long service life. Easy to install: vent opener greenhouse equipped with screws, wood or metal frame directly with a screwdriver, screw it into the panel, simple and convenient. Working condition: when the temperature exceeds 77°f 25°C, solar vent opener will open.Brand | JINGOU #ad |
Manufacturer | JINGOU #ad |
Part Number | BL-JK-090 |
More information #ad
8. Yziixi
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Auto Vent Opener Automatic Greenhouse Window Opener Cylinder Roof Vent Opener Autovent Kit Solar Heat Sensitive Agriculture Gardening Tools Automatic Greenhouses Supplies Single Spring Lifts 15 Lbs
#adYziixi #ad - Scope of delivery1x window regulator | lifting force: max. Ultralight easy to transport thanks to the ultra-light and practical construction and perfect for all windows of common garden and greenhouses made of aluminum.Individually adaptablecan be installed quickly and easily for the windows of common garden and greenhouses. Optimal ventilationyour plants are optimally ventilated through temperature-controlled opening and closing.
More information #ad
7. 5 kg | lifting height: max. 45 cm | temperature range: 15 ° c to 25 ° c | dimensions: L x W x H 38cm x 10cm x 5cm. You can steplessly adjust the opening angle by turning the cylinder and thus achieve the right ventilation for your bed. No electricity requiredenvironmental awareness preprogrammed - the automatic window opener is a temperature-controlled, fully automatic device. Depending on the temperature, the piston of the cylinder moves and opens or closes the window.
Brand | Yziixi #ad |
Manufacturer | UMISKY #ad |
Part Number | UM00-AL-S |
More information #ad
9. Yziixi
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Yziixi Solar Heat Sensitive Automatic Greenhouse Vent Opener Auto Vent Kit Gardening Tools for Greenhouses Roof Ventilation Single Spring Vent Opener
#adYziixi #ad - When temperature above 25°/77°F, the window opener will keep opening. Fully open temperature at 30° 86°f or above; once temperature drop to about 15°/59°F, the window opener will totaly close. 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°. High qualityall parts corrosion resistant. Spring controlled - resists wind damage when opening and closing.
More information #ad
Automaticthis 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. Applicationmaximum 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. Non electricuses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction.
Brand | Yziixi #ad |
Manufacturer | Wiwir Yziixi #ad |
Height | 4 Inches |
Length | 15 Inches |
Width | 2 Inches |
Part Number | PD-34252 |
More information #ad
10. Meisuk
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Meisuk Greenhouse Automatic Vent Opener, Lifts 15Lbs Solar Heat Sensitive Automatic Greenhouse Window Opener Single Spring Vent Opener Hothouse Vent Openers
#adMeisuk #ad - Thicker and stronger material: auto thermo for window made of aluminum alloy and stainless steel, and exquisite workmanship makes it has long service life. If the temperature lower again the cylinder cools down, the gas in the gas field will become hot, the spring pushes the air rod back into the cylinder the window closes.Working principle of greenhouse vent automatic opener: if the temperature of the greenhouse rises, and the spring force will push it out due to the increase in pressure. Window opener can be open and close greenhouse window, no worry corrosion, good ideal for yours.
More information #ad
Maximum window opening: 45cm, depending on adjustment and load, Maximum opening about: 30°, Maximum opening weight: 7kg/15lb, Adjustable open temperature range: 20°- 25°/68°-77F. Greenhouse automatic vent opener: window opener is non electric, uses solar energy. Window opens. The greenhouse window opener works by temperature: As the temperature changes automatically, open or close the greenhouse vents as temperature rises or drops. Maintains the best growing temperature and prevents your greenhouse from overheating, this plays a vital role in greenhouse planting and can better promote crop growth. Ideal for your greenhouse window, wall and hobby vents in higher wind situations. Automatic window opener prevent hobby greenhouse overheating.
Brand | Meisuk #ad |
Manufacturer | Meisuk #ad |
Part Number | Meisuk-jy1 |
More information #ad