45 Best automatic greenhouse vent opener in 2022: Analysis Based on 172 Reviews

Features

• NO ELECTRICITY REQUIREDEnvironmental awareness preprogrammed - the automatic window opener is a temperature-controlled, fully automatic device.
• OPTIMAL VENTILATIONYour 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.
• INDIVIDUALLY ADAPTABLECan 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.
• 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.
• SCOPE OF DELIVERY1x window regulator | Lifting force: max. 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

Features

• Starts opening between 55 - 75°F, depending on how you have adjusted the vent.
• Solar Vent Opener can lift up to 15 lbs
• Screw directly into polycarbonate panels, wood, or metal frames.

Features

• Two springs are more strong and better withstand Wind.
• Great trouble free dual spring design.
• Best for awning style windows.Uses Solar energy only, no power required.
• 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.

Features

• 4.Both Clamp and screw for easy installation.
• 5.Pack well for shipment.
• 3.Solar energy sourced, no operating cost, environmentaly friendly.
• 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.

Features

• 4.Both Clamp and screw for easy installation.
• 5.Pack well for shipment.
• 3.Solar energy sourced, no operating cost, environmentaly friendly.
• 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.

Features

• Two springs are more strong and better withstand Wind.
• Great trouble free dual spring design.
• Best for awning style windows.Uses Solar energy only, no power required.
• 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.

Features

• 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.
• NO ELECTRICITY NEEDED -- Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars.
• 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.
• SUITABLE FOR MOST GREENHOUSES -- This opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating.

Features

• DOUBLE SPRING--Double spring mechanism protects against wind gusts. The Automatic vent opener is appropriated for most of the current garden greenhouses.
• AUTO WINDOW OPENER--As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• EASY TO INSTALL-- We have attached an Installation manual, and there is video in listing for your reference. There is two ways to install: 1. Clamps to greenhouse bars, no drilling needed. 2. Screw directly into polycarbonate panels, wood, or metal frames.
• MAXIMUM OPENING--Approx. 30°. Maximum window opening: 45 cm. lift up to 15lbs. If you have any questions, please don't hesitate to contact us.
• PREMIUM QUALITY--The window opener is made of high quality aluminum alloy. Durable and rust resistant in damp environments Long service life.

Features

• Important notice:Do not use this opener anywhere the temperature will exceed 50° (122F)
• This listing is a replacement CYLINDER only, for the full set of auto vent opener you can find it in my shop.
• Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Also suitable for Orbesen, Gardman & B&Q vents

Features

• Automatic window openers, allow thermostatic ventilation control through the roof windows of your greenhouse, be sure of an even temperature in your greenhouse day and night.
• Both the frame and cylinder are made of aluminum, rust-proof, even the surface was scratched, the window opener will not get rusty, and with longer using-life.
• Window opener, maximum height of the window opening about 45cm; The temperature of complete opening about 30° (depending on adjustment and load); Maximum weight vents not more than 7kg/15lb; Opening temperature regulated 16° to 25°.
• Easy fitting by clamps or screws provided, no batteries or electricity required
• Automatic window opener is easy to install, it comes with instructions in English and descriptive graphics to facilitate installation. Ideal for your greenhouse window, wall and hobby vents in higher wind situations.

Features

• Working Condition：The 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°
• Excellent Quality：Stainless steel galvanized sheet, double spring design, automatic temperature adjustment 15-25°
• Suitable for Most Greenhouses：The maximum load-bearing capacity of the glass of the ventilation window does not exceed 15lb
• Automatic Opening/ClosingUses Solar energy only, no power required.

Features

• 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.
• 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).
• 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°
• 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.
• HIGH QUALITYAll parts corrosion resistant. Spring controlled - Resists wind damage when opening and closing. 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.

Features

• STRONG FORCE-Lifts up to 15.4 Lbs(7kg),suitable for most of greenhouse.
• HIGH QUALITY MATERIALS-Made of high quality of aluminum and stainless steel.Durable and no rust.
• OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.
• EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation.
• NO ELECTRIC POWER NEEDED&AUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops.

Features

• Maximum Window Opening: 45 cm and maximum weight 7 kg, fit for most of the current garden greenhouses
• Auo Window Opener:The bracket can open or closed the green house automatically based on temperature and prevents your greenhouse from overheating
• Easy to Install: Window cpener comes with user manual and very easy to install. Please note:Temperature higher than 50°C can not be used
• 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
• Durable: The window opener made by galvanized sheet aluminum, durable and anti-rust

Features

• Automatic DesignThe automatic window opener opens and closes your greenhouse window as the temperature changes automatically, maintaining the best growing temperature and prevents your greenhouse from overheating.
• Easy InstallationThe window could 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.
• Hydraulic Cylinder with WaxOur core technology is the hydraulic cylinder that contains a plant-based wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply. So that our renowned hydraulic cylinders replaces the small range of window openers.
• CO2 FriendlyThe window opener will be very environmental and CO2-friendly throughout its whole lifetime because there is no need of electricity in your greenhouse.
• Solar EnergyUsing the solar energy, instead of electric, open or close the greenhouse vents as temperature rises or drops. Save your energy and time, and no need for human operation.

Features

• Durable and FunctionalPrevent greenhouse overheating.
• Prevent Your GreenhouseAs the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating
• Easy to OperateThis greenhouse window opener can be clamped onto or screwed onto your greenhouse frame
• Automatic Open/CloseThere is non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Widely ApplicationIdeal for your greenhouse window--opens and closes your greenhouse window

Manufacturer: ‎Zerone

Part Number: ‎AYNEFYbdhm0gstfq

Item Weight: ‎13 ounces

Product Dimensions: ‎0.39 x 0.39 x 0.39 inches

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Voltage: ‎1 Volts

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Included Components: ‎Inc

Batteries Required?: ‎No

Features

• Working ConditionsDo not apply excessive load by locking or covering the windows. Greenhouse automatic ventilation window openers cannot be used in environments where the temperature is higher than 60°/140℉ in greenhouse sheds.
• Good window opening toolThis opener will automatically open and close your greenhouse windows to maintain the best desired temperature and prevent your greenhouse from overheating
• High QualityThis automatic window opener is constructed from quality iron. The plastic-sprayed aluminum frame is more shiny, durable and anti-rust.
• Easy to stallEasy to install to your greenhouse vents or windows using the provided screws and clips or your own fasteners to enter the pre-perforated.
• Environmental friendlyUsing solar energy, non-electric power, the greenhouse windows can be opened or closed as the temperature rises or falls.

Features

• Working Conditions--Start opening at 15°C-25°C (59-77°F);Fully open temperature at 30° (86°F) or above;Full opening distance :45 cm (18 inches).The greenhouse automatic roof vent opener kit will shut down completely when the temperature drops to bellow 59°F (15°C).Up to Load Capacity:7-15kgs(15-33lbs).
• Warm Tips-- Do not use this automatic roof vent Opener lifts anywhere the temperature will exceed 45° (122F). If you want to use this greenhouse autovent vent opener with the Palram greenhouse, you need to use the drilling tools to screw into the channel and fix it.
• Greenhouse Automatic Vent Opener-- As the temperature changes,This double spring auto thermo for window will automatically open and close your garden greenhouse vent to maintains the best growing temperature and prevents your greenhouse from overheating.
• Premium Quality-- This double spring Automatic Window Opener is made of quality built anodised aluminium.The paint spraying aluminum frame looks more lustrous, durable and rust-proof.The thicker and stronger material with two springs type, suitable for windy mountain area, resist wind twist.
• Environmental friendly-- Non electric, uses solar energy,open or close the greenhouse window as temperature rises or drops. This solar heat sensitive auto vent opener can lift up to 15 lbs. The cylinder closes well before deep freezing and opens again without problem.

Features

• DOUBLE SPRING-Double spring type, suitable for windy mountain area, resist wind twist.Stronger Force,lifts up to 15.4 Lbs(7kg).
• OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.
• HIGH QUALITY MATERIALS-Made of high quality of aluminum and stainless steel.Durable and no rust.
• EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation.
• NO ELECTRIC POWER NEEDED&AUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops.

Features

• 1.Black Color powder coating for frame,looks nice and not rust.
• 4.Thicker and stronger steel material, suitable for windy mountain area, resist wind twist.
• 3.Both clamp and screws included, easy installation.
• 5.100% MONEY BACK GUARANTEE - ONLY BIBISTORE is the owner of this listing,and offer the super customer service.If you buy from BIBISTORE,and were not satisfied with our product.Please just contact us freely,we seriously promise to offer 100% money back guarantee.
• 2.Solar energy sourced, cost nothing to operate, environment friendly.

Features

• 100% brand new and high quality.
• Maximum opening : about 30°, depending on adjustment and load ./Maximum window opening : 45cm.
• Simply opens and closes when the temperature changes.
• Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
• Suitable for most greenhouses.

Features

• Durable Material: Greenhouse Winder Opener Cylinder is made of high quality steel material, durable and convenient to use, can be used for a long time
• High Sensitive: As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating, temperature range 15°- 25°/60°-77F
• Perfect For Greenhouse: This is a replacement cylinder for automatic window opener, perfect for your greenhouse to open or close window automatically
• Auto Open/Close: Non‑electric greenhouse automatic vent opener uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Warm Note: This product need to be refrigerated before use it; Do not use this greenhouse window opener cylinder anywhere the temperature will exceed 50° (122F)

Manufacturer: ‎Ejoyous

Part Number: ‎Ejoyous09qa2tgsvn1384

Item Weight: ‎4 ounces

Product Dimensions: ‎14.17 x 3.94 x 0.79 inches

Color: ‎Black

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Handle Material: ‎Default

Accessory Connection Type: ‎Default

Included Components: ‎Inc

Features

• Excellent Quality: JINGOU automatic greenhouse vents are made of zinc-coated steel, durable and anti-rust, it has a long service life
• Suitable for Most Greenhouses: Up to 15lb load-bearing capacity, JINGOU automatic greenhouse vent kit is suitable for most greenhouse
• 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.
• Working Condition: When the temperature exceeds 77°F (25°C), solar vent opener will open. When the temperature drops to 59°F (15°C), the greenhouse kit will shut down completely
• Easy To Install: Vent opener greenhouse equipped with screws, screw it into the panel , wood or metal frame directly with a screwdriver, simple and convenient

Features

• Solar Heat Sensitive:Non electric, our window vent opener uses solar energy. The automatically adjusted temperature is 15 to 25°C. When the temperature exceeds 25 degrees, the window regulator will remain open. The temperature drops to 15-18 degrees Celsius and the opener will close completely.
• Ideal for Your Greenhouse Window: The greenhouse window opener can be clamped onto or screwed onto your greenhouse frame, opens and closes your greenhouse window.
• Double Spring Design: Compared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable.
• High Performance: As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• Premium Material: Automatic window opener is made of aluminum alloy, maximum window opening: 45cm/17.7inch. Maximum opening about: 30°. Maximum opening weight: 7kg/15lb. ?Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)

Features

• Energy saving and environmental protection: Non-electric equipment, using solar energy, the window opener closes well before freezing, and then there is no problem when it is opened again.
• Easy to install: simple installation, no complicated operations, can be clamped or screwed to the greenhouse frame
• High quality: The automatic window opener is made of high-quality anodized aluminum, and the painted aluminum frame looks more shiny, rust-resistant, resistant to high temperature and corrosion, and more durable
• Automatic opening: As the temperature changes, the greenhouse windows are opened or closed as the temperature rises or falls to maintain the optimal growth temperature and prevent the greenhouse from overheating.
• Work limitation: The maximum opening of the window is 45cm, and the maximum opening is about 30°, depending on the adjustment and load. Maximum opening weight 7 kg/15 lbs, adjustable opening temperature range 15°-25°/60°-77F

Features

• WIDELY USED-it could be widely used at all kinds of greenhouse,especially perfect for Geodesic Dome Greenhouse or other greenhouse with heavy or big window.As it is specially designed for heavy wooden frame glass windows,so it is a piece of cake for it to work for Aluminum frame&polycarbonate panel windows.
• ECO-FRIENDLY&NO POWER NEEDED- It is driven by thermostat gas cylinder, no need any electronic power.Driven by its thermostat gas cylinder, it can automatically open and close the window when the room temperature rises or drops, save your time to operate it. As it works by solar power, the installation is much easy, and no electric wiring required.
• SUPER HEAVY DUTY CAPACITY-This heavy duty window opener is specifically designed for wooden frame glass windows, it has the capacity to open the window weight up to 132Lbs/60kg.
• DURABLE&MUCH STABLE-We take plenty of Stainless steel and Aluminum materials to manufacture, durable and no corrosion worry.The materials? weight of this opener is up to 1.9kgs,which is much more heavy than normal window opener of around 0.45kgs.That means it definitely will be more strong and stable for your greenhouse windows.Why not take a more durable and stable window opener,you will have no worry at windy day!

Features

• 2.Solar energy sourced, cost nothing to operate,environment friendly.
• 4.Thicker and stronger steel material with 2-spring type, suitable for windy mountain area, resist wind twist.
• 1.Black Color powder coating for frame,looks nice and not rust.
• 3.Both clamp and screws included, easy installation.
• 5.This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.

Features

• Compatable:The cylinder fits most common autovents,Screw directly into polycarbonate panels,wood,or metal frames
• High quality:Durable and rust-proof stainless steel materials windows opener for last long time use
• Important:Operating temperature range 60°F-86°F,Maximum load 33Ibs
• Warranty:You are backed by our 30 day.No hassle.No questions asked money back guarantee.If there is any quality problems or question,please feel free to contact LONGCO.
• Non-electric:The hydraulic cylinder that contains a plant-based special of temperature sensor,auto open or close the greenhouse vents as temperature rises or drops,No need for electrical power supply

Features

• 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.
• Thicker and stronger material: Auto thermo for window made of aluminum alloy and stainless steel, no worry corrosion, and exquisite workmanship makes it has long service life. Window opener can be open and close greenhouse window, good ideal for yours.
• Automatic Window Opener Prevent hobby greenhouse overheating. 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.
• Working principle of greenhouse vent automatic opener: If the temperature of the greenhouse rises, the gas in the gas field will become hot, and the spring force will push it out due to the increase in pressure. (window opens). If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window closes).
• Greenhouse Automatic Vent Opener: Window opener is non electric, uses solar energy. The greenhouse window opener works by temperature: As the temperature changes automatically, open or close the greenhouse vents as temperature rises or drops.

Features

• High-Quality Structure Reliable, high-quality anodized anodized aluminum automatic window opener.
• Environmental Protection Non Electric uses solar energy to open or close the greenhouse vents as the temperature rises or falls, including accessories and installation manuals.
• Suitable for Most Greenhouses This corkscrew will automatically open and close your greenhouse windows to maintain the optimal growing temperature and prevent the greenhouse from overheating.
• Convenience Sensitive opener can be clamped or screwed on the greenhouse frame without drilling holes.
• Working Conditions Start opening 20°C-25°C (68-77°F); full opening distance 45 cm (18 inches), maximum opening weight: 7kg / 15lb.

Features

• SOLAR POWERED&ECONOMIC-Use solar energy only,no batteries or electricity required..Economic and Eco-friendly.
• DURABLE MATERIALS-Made of high quality of galvanized steel.Durable and strong for long time use.
• EASY INSTALLATION- Fit for most of aluminum&wooden frame greenhouse. Comes with a fitting accessory pack and a detailed manual for easy installation.
• 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.
• HIGH LIFT CAPABILITY-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.

Features

• High performance: As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• High performance: As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• Good design: Can be clamped onto or screwed onto your greenhouse frame.
• Best quality: Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
• Great after-sales service: If you have any problems, please contact with us first, we will offer solution to you in time.
• Application: Ideal for your greenhouse window, to opens and closes your greenhouse window.

Manufacturer: ‎AYMARIO

Part Number: ‎RINTOWAman9frgbgu

Item Weight: ‎13.1 ounces

Product Dimensions: ‎0.39 x 0.39 x 0.39 inches

Color: ‎Sliver

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Included Components: ‎Inc

Batteries Included?: ‎No

Batteries Required?: ‎No

Features

• Heat activated, no electricity necessary
• Assembled dimension: 11" w x 2" d x 2" h
• Automatically control ventilation
• Easy to install
• Protect your plants from heat exposure

Features

• Replaces manual vent arm
• Installs quickly and easily
• Simple, oil-filled cylinder, no power needed
• Opens automatically when temperature rises

Features

• SOLID FIR WOOD STRUCTURE - This outdoor garden potting bench is made of solid fir wood, the high quality wood provides excellent stability and will not warp, split or splinter, durable for long term use.
• LARGE METAL TABLETOP - Equipped with a large metal plated tabletop, it is convenient for various garden tasks in daily life. And with the iron material, it is more durable and easy for you to clean after use.
• EASY TO ASSEMBLE - This outdoor garden potting bench comes with a complete set of accessories and a detailed manual. You will have the potting bench table assembled in a very short time. If you have any problem in assembling the work station table, you can always contact our customer service. We will help you solve the problem in time.
• TIER SPACE - Features 3 wide shelves for all your potted plants, gardening tools and other equipment. 5 side hooks can be used to hang some tools for gardening work. Its elegant and simple design can suit your different styles of lawn, yard, garden.
• ANTI-CORROSION DESIGN - The 4 galvanized legs are designed to make this garden work station more corrosion resistant and less likely to collapse, so it can be used outdoors and indoors.

Features

• Energy Saving: Solar heat sensitive greenhouse roof ventilation opener, non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Prevent Greenhouse Overheating: Automatic roof vent opener with temperature sensitive part, because the temperature will change automatically, it can maintain the optimal growth temperature and prevent the greenhouse from overheating
• Aluminum Alloy Structure: Durable, rust-proof aluminum alloy window opener tube, which can be used for a long time, you can rest assured that greenhouse auto vent opener is an ideal tool of your seeds and crops in the greenhouse
• Easy To Install: Without any special skills and tools, you can clip or screw it to the greenhouse frame; If you have any questions about the window opener for greenhouse, you can contact us at any time, we will quickly help you solve the problem until you are satisfied
• 15lb Load Bearing: The size of this automatic window opener is approximately 14.96 x 3.74 x 3.74 inches, Maximum window opening: 18 inch; Maximum opening weight: 15lb, fit for most of aluminum frame greenhouse

Features

• Uses solar energyNon-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
• MaterialHigh quality ABS materials for superior stability，and Automatic Greenhouse Window Opener can extended cylinder use lifetime. Durable and rust-proof window opener for last long time use.
• Maintains the best growing temperatureAs the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
• AdvantageTime and labor saving, also can supply a better temperature condition of plant’s growth
• High sensitiveHigh sensitive,automatic respond to weather changes,don't need to stay near the greenhouse.

Manufacturer: ‎EVTSCAN

Part Number: ‎EVTSCANwr2mt17v8z

Item Weight: ‎4.2 ounces

Product Dimensions: ‎0.39 x 0.39 x 0.39 inches

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Included Components: ‎Inc

Features

• Time and labor saving, also can supply a better temperature condition of plant's growth
• Great for most greenhouse to open or close window automatically
• Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• High sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse

Features

• Automatic Window Opener : As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating
• Not Electric Design : Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Easy to Use : This auto thermo for window can be easily and quickly installed for the windows of common garden and greenhouses. The opening angle can be infinitely adjusted by turning the cylinder and thus achieving the appropriate ventilation for your bed, easy to operate and use
• Application : Our solar heat sensitive auto thermo's maximum window opening is 45cm/17.7inch. Maximum opening about : 30°. Maximum opening weight: 7kg/15lb. ​Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.). Ideal for your greenhouse
• Fine Quality Aluminum Alloy Material : The automatic window opener is made of aluminum alloy, it is durable to use

Manufacturer: ‎Estink

Part Number: ‎Estinkcxaeg6fhdb

Item Weight: ‎13.5 ounces

Product Dimensions: ‎0.39 x 0.39 x 0.39 inches

Finish: ‎Finish

Material: ‎Material

Power Source: ‎Ource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Included Components: ‎Inc

Features

• Feature: Can be clamped onto or screwed onto your greenhouse frame. Including fittings & installation manual
• Function: Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
• Long lasting: Made of high quality material, durable and reliable, can prevent your greenhouse from overheating
• Widely use: Suitable for most greenhouses. This opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating
• Function: Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops

Manufacturer: ‎Dylander

Part Number: ‎Dylandern9usb7yrod

Item Weight: ‎1.1 pounds

Product Dimensions: ‎14.96 x 3.94 x 2.36 inches

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Included Components: ‎Inc

Batteries Included?: ‎No

Batteries Required?: ‎No

Features

• Easy to install with 2-sided plastic pop rivets
• Fits with any fabric covered Instant Garage or storage shelter
• Vents are screened to keep out insects and debris
• A bimetallic spring that is heat sensitive will open the vent at 74 degrees, fully open at 104 degrees; and will close automatically when the internal temperature cools down
• Promotes air circulation and temperature regulation by reducing the humidity and moisture buildup in your fabric garage or shelter

Features

• High QualityMade of high quality material, durable and reliable, can prevent your greenhouse from overheating
• Working ConditionsMaximum window opening 45cm, Maximum opening about 30°, depending on adjustment and loadMaximum opening weight 7kg/15lb, Adjustable open temperature range 15°- 25°/60°-77F, Do not use this opener anywhere the temperature will exceed 50° (122F)
• FunctionThis opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating
• Easy to InstallCan be clamped onto or screwed onto your greenhouse frame, Including fittings & installation manual
• Non ElectricNon 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

Manufacturer: ‎Floverd

Part Number: ‎Upg4o30myb

Item Weight: ‎1.1 pounds

Product Dimensions: ‎14.96 x 3.94 x 2.36 inches

Size: ‎18in

Color: ‎Silver

Finish: ‎Finish

Material: ‎Material

Power Source: ‎PowerSource

Installation Method: ‎InstallationMethod

Item Package Quantity: ‎1

Spout Height: ‎1 Centimeters

Included Components: ‎Inc

Batteries Included?: ‎No

Batteries Required?: ‎No

Features

• 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
• Please make sure your greenhouse window can be opened freely by at least 45cm (18").
• Can be clamped onto or screwed onto your greenhouse frame
• Ideal for your greenhouse window--opens and closes your greenhouse window

Features

• Automatic Design:The automatic window opener opens and closes your greenhouse window as the temperature changes automatically, maintaining the best growing temperature and prevents your greenhouse from overheating.
• Hydraulic Cylinder with Wax:Our core technology is the hydraulic cylinder that contains a plant-based wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply. So that our renowned hydraulic cylinders replaces the small range of window openers.
• CO2 Friendly:The window opener will be very environmental and CO2-friendly throughout its whole lifetime because there is no need of electricity in your greenhouse.
• Solar Energy:Using the solar energy, instead of electric, open or close the greenhouse vents as temperature rises or drops. Save your energy and time, and no need for human operation.
• Easy Installation:The window could 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.

Manufacturer: ‎Estink

Part Number: ‎Yosooy34zfd9pqc

Item Weight: ‎3.52 ounces

Product Dimensions: ‎12.01 x 0.63 x 0.63 inches

Item Package Quantity: ‎1

Batteries Included?: ‎No

Batteries Required?: ‎No