Top 10 Greenhouse 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 - Starts opening between 55 - 75°F, depending on how you have adjusted the vent. Screw directly into polycarbonate panels, wood, or metal frames. Solar vent opener can lift up to 15 lbs.
BrandAgriculture Solutions #ad
ManufacturerAgriculture Solutions LLC #ad
Height1.97 Inches
Length11.81 Inches
Weight0.88 Pounds
Width1.97 Inches
Part Number441665
ModelUnivent

2. Leafy Creations

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Leafy Creations Replacement Cylinder for Automatic Window or Vent Opener. Temperature Controlled Greenhouse Opener

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Leafy Creations #ad - Opening temp range 60°f-78°f16°c-26°c 16°c-26°C helping to maintain optimal growing conditions in your greenhouse. Simple diy installation and suitable for single or double sprung vents.

If your autovent has stopped opening or doesnt fully open, it is simply the cylinder that needs replacing. Suitable for orbesen, gardman, if it looks the same, B&Q and most other US and foreign branded vent openers. Why buy a complete opener, when you can save money by only replacing the cylinder. Please see 'product description' below for a guide to fitting and see images for a dimension diagram. Compare with your existing opener, it is the same.
BrandLeafy Creations #ad
ManufacturerLeafy Creations #ad
Height0.59 Inches
Length11.81 Inches
Width0.59 Inches
Part NumberLC176

3. Palram

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Palram Automatic Roof Vent Opener

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Palram #ad - Replaces manual vent arm. Simple, oil-filled cylinder, no power needed. Installs quickly and easily. Opens automatically when temperature rises.
BrandPalram #ad
ManufacturerPalram #ad
Height3 Inches
Length16 Inches
Weight1 Pounds
Width3 Inches
Part NumberHG1005
ModelHG1005

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

5. Aramox

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

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Aramox #ad - Easy to install. 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. Great function：Prevent greenhouse overheating. Can be clamped onto or screwed onto your greenhouse frame.
BrandAramox #ad
ManufacturerAramox #ad
Height0.39 Inches
Length0.39 Inches
Width0.39 Inches
Part NumberAramox7mwy0g5qez

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

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

7. JINGOU

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Greenhouse Window Opener Automatic Solar Powered Temperature Controlled Vent Opener Up to 7kg Load

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JINGOU #ad - The temperature drops to 15℃, the opener will close completely. Maintains the best growing temperature and prevents your greenhouse from overheating. Easy to install: equipped with screws, or metal frames with a screwdriver, screw directly into panels, very simple and convenient.

If neccsories, wood, you need to use the drilling tools to screw into the channel and fix it. Greenhouse helper. The window opener automatically opens and closes through the thermal induction of the temperature. When the temperature exceeds 25℃, the window opener will remain open.

Premium quality. Made of steel with zinc coating, weather resistant, durable and rust-proof. Auto open/closed. The greenhouse window opener does not consume any power, no batteries or electrical power needed. 15℃-25℃. Applicable to most windows, the maximum weight of the ventilation window is less than 7kg can be used with confidence.
BrandJINGOU #ad
ManufacturerJINGOU #ad
Part NumberBL-JK-090

8. Vent-L

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Vent-L Automatic Vent Opener N03 Opening Temperature 75-90°F Load up to 66lb for Window/Doors of Greenhouse

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Vent-L #ad - Stem diameter of 6 mm and a metal piston is able to open the window up to 30 kg 66lb and can withstand enormous wind loads. Easy disconnect from the vents for opening and closing manually.

4 screws for setting only. Vent-l» does not require electric power and operates exclusively on the temperature fluctuations of the greenhouse. The automatic ventilator is located in the upper level of the greenhouse, it heats up faster, the plants at the lower levels are in conditions with lower temperatures. An opening temperature between 24-32 ° C 75-90 ° F is better suited for most plant species.

This is its uniqueness compared to other similar devices. It does not require dismantling during winter. All the major fasteners are galvanized coating that protects them from corrosion in an environment of high humidity of greenhouse. It can be fixed both for the opening doors and vents of greenhouses. Control of the starting of opening.
BrandVent-L #ad
ManufacturerONIKS-LTD #ad

9. ROBTLE

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Standard Opener for Palram Greenhouse Solar Heat Sensitive, ROBTLE Automatic Vent Opener Lifts, 15 Lbs

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ROBTLE #ad - Greenhouse helperprevent greenhouse overheating. Start to open - 15°c - 25°c 60°-77f; fully open temperature 35° 19f or above; Fully open distance 45cm 18". Premium qualityelongated aluminum cylinder with paint spraying, weather resistant.

To use with the palram greenhouse, you need to use the drilling tools to screw into the channel and fix it. Solar heat sensitive vent opener can lift up to 15 lbs. Automatic vent openeras the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Aluminum frame looks more lustrous, durable and rust-proof.

 . Tipsdo not use this opener anywhere the temperature will exceed 45° 122F. Solar energynon electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. The cylinder closes well before deep freezing and opens again with no problem. Ideal for your greenhouse window--opens and closes your greenhouse window.
BrandROBTLE #ad
ManufacturerROBTLE #ad
Height1.97 Inches
Length14.96 Inches
Width3.74 Inches
Part Numberh4tn175xrf

10. A ANLEOLIFE

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A ANLEOLIFE Automatic Roof Vent Opener Snap Grow Greenhouse Acessories Solar Window Louvre Thread Opener, Up to 15lbs Centre Shalf 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. Ideal for your greenhouse window, wall and hobby vents in higher wind situations. Automatic window Opener Prevent hobby greenhouse overheating. Auto open/closed. The greenhouse window opener does not consume any power, no batteries or electrical power needed.
BrandA ANLEOLIFE #ad
ManufacturerA ANLEOLIFE #ad