Top 10 Univent Automatic Vent Opener – Greenhouse Window Openers

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1. Agriculture Solutions

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Agriculture Solutions Univent Automatic Vent Opener Standard, Lifts 15 Lbs

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Agriculture Solutions #ad - Solar vent opener can lift up to 15 lbs. Starts opening between 55 - 75°F, depending on how you have adjusted the vent. Screw directly into polycarbonate panels, wood, or metal frames.
BrandAgriculture Solutions #ad
ManufacturerAgriculture Solutions LLC #ad
Height1.97 Inches
Length11.81 Inches
Weight0.88 Pounds
Width1.97 Inches
Part Number441665
ModelUnivent

2. Ycsst

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Ycsst Univent Automatic Vent Opener Standard Automatic Roof Vent Opener Solar Heat Sensitive Greenhouse Autovent Vent Opener Standard-Lifts 33 Lbs（15kg）. Double Spring

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Ycsst #ad - 4. Stainless steel galvanized sheet, double spring design, automatic temperature adjustment 15-25°. 3. Uses solar energy only, no power required. 2. The maximum height of the open window is about 45 cm 18 inches. 5. 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°. 1. The maximum load-bearing capacity of the glass of the ventilation window does not exceed 33lb.
BrandYcsst #ad
ManufacturerYcsst #ad

3. 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

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BIBISTORE #ad - Aluminum and Stainless steel material for durability. Easy to fit onto your greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes. Two springs are more strong and better withstand Wind. Best for awning style windows. Uses solar energy only, no power required. Great trouble free dual spring design.
BrandBIBISTORE #ad
ManufacturerBIBISTORE #ad
Part NumberBB-410

4. Just E Joy

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Just E Joy Greenhouse Automatic Window Opener Kit Solar Sensitive Cylinder Replacement Temperature Sensor Vent Opener Greenhouse Supplies

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Just E Joy #ad - High quality stainless steel materials for superior stability，and Automatic Greenhouse Window Opener can extended cylinder use lifetime.

With installation Accessory: Comes with a fitting accessory pack for easy installation. Non-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. Durable and rust-proof Iron windows opener for last long time use. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Great functionthis window openr can prevent greenhouse overheating well as you want.
BrandJust E Joy #ad
ManufacturerJust E Joy #ad
Height3.15 Inches
Length12.6 Inches
Weight0.02 Pounds
Width3.94 Inches
Part Number15922138104125

5. J. Orbesen Teknik Standard Hydraulic Cylinder

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Ventomax, Thermovent, Standard Hydraulic Cylinder Replacement for Univent, Optivent, & Sesam Liberty Window Opener

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J. Orbesen Teknik Standard Hydraulic Cylinder #ad - Orbesen teknik directly as instructed in the images for replacement. Our renowned hydraulic cylinders replace our small range of window openers: Optivent, Thermovent, Univent, Sesam Liberty Vent, and Ventomax.

Note: for j. Replaces worn out piston rod from your J. Orbesen teknik Brand Denmark Univent Window Openers. Core technology is the hydraulic cylinder that contains a plant-based special wax that works as the opener thermostat: No need for electrical power supply. You don't need any electricity in your greenhouse; the window opener will be very environmental and CO2-friendly throughout its whole lifetime. Orbesen teknik, products only, denmark, not interchangeable with any other brand AND NO RETURNS to Amazon, contact J.
BrandJ. Orbesen Teknik Standard Hydraulic Cylinder #ad
ManufacturerJ. Orbesen Teknik ApS #ad
Height0.59 Inches
Length7.87 Inches
Width0.59 Inches
Part NumberC00-0000-100
ModelNo. 1
WarrantyManufacturer warranty for 1 year from date of purchase.

6. A ANLEOLIFE

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A ANLEOLIFE Automatic Roof Vent Opener Snap Grow Greenhouse Acessories Solar Window Louvre Thread Opener, Up to 30lbs Dual Spring Opener

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A ANLEOLIFE #ad - Screw directly into polycarbonate panels, wood, or metal frames. Starts opening between 59 - 77°F, Replaces manual vent arm. Dual spring solar vent Opener with Stronger Force, up to 30lbs. Automatic window Opener Prevent hobby greenhouse overheating. Ideal for your greenhouse window, wall and hobby vents in higher wind situations.
BrandA ANLEOLIFE #ad
ManufacturerA ANLEOLIFE #ad

7. BIBISTORE

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BIBISTORE Solar Heat Sensitive Automatic Greenhouse Window Opener Hothouse Vent Openers Auto Vent Kit-Two Springs,Lifts 15 Lbs,No Power Needed

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BIBISTORE #ad - 1. Thicker and stronger material with 2-spring type, suitable for windy mountain area, resist wind twist. 4. Both clamp and screw for easy installation. 5. Pack well for shipment. 2. Aluminium and stainless steel material, No worry corrosion. 3. Solar energy sourced, no operating cost, environmentaly friendly.
BrandBIBISTORE #ad
Manufacturer053554638922 #ad
Part NumberBIBISTORE-320

8. Aramox

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Auto Vent Opener Automatic Greenhouse Vent Opener with Solar Power Sensor and Controllor

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Aramox #ad - Can be clamped onto or screwed onto your greenhouse frame. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Great function：Prevent greenhouse overheating. Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. Easy to install.
BrandAramox #ad
ManufacturerAramox #ad
Height0.39 Inches
Length0.39 Inches
Width0.39 Inches
Part NumberAramox7mwy0g5qez

9. Keenso-

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Automatic Window Opener, Double Spring Automatic Vent Opener Solar Heat Sensitive Auto Thermo for Window Open Greenhouse Vent Autovent

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Keenso- #ad - Ideal for your greenhouse windowThe greenhouse window opener can be clamped onto or screwed onto your greenhouse frame, opens and closes your greenhouse window. Premium materialautomatic window opener is made of aluminum alloy, maximum window opening: 45cm/17.

7inch. Maximum opening about: 30°. The automatically adjusted temperature is 15 to 25°C. Size: 38 x 9. 5 x 9. 5 cm / 14. 96 x 3. 74 x 3. 74 inch appr. Maximum opening weight: 7kg/15lb. High performanceas the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. The temperature drops to 15-18 degrees Celsius and the opener will close completely.

Solar heat sensitivenon electric, our window vent opener uses solar energy. Double spring designcompared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable. When the temperature exceeds 25 degrees, the window regulator will remain open.
BrandKeenso- #ad
ManufacturerKeenso- #ad
Height1.97 Inches
Length14.96 Inches
Weight0.99 Pounds
Width3.74 Inches
Part Numberlyrlody4ovnk75gsp

10. Beennex

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Greenhouse Window Opener Vent Solar Heat Sensitive Automatic Greenhouses Roof, Solar Vent Opener

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Beennex #ad - This solar vent opener Can be clamped onto or screwed onto your greenhouse frame. 1. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. 5. 3. Starts opening between 68 - 77°F, depending on how you have adjusted the vent. Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. 2. Greenhouse window Openers can lift up to 15 lbs. 4.
BrandBeennex #ad
ManufacturerBeennex #ad
Part Numberyx0268