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The 10 Best Greenhouse Window Openers to Buy – April 2021 edition

Looking for the best Greenhouse Window Openers?

Discover now our comparison of the best Greenhouse Window Openers. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Greenhouse Window Openers are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Greenhouse Window Openers in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
G-More Greenhouse Automatic Window Opener Automatic Vent Opener with Double Spring Solar Vent Roof Opener Replacement Cylinder Temperature Control, with Solar Power Sensor (Window Vent Opener)
2 Reviews
G-More Greenhouse Automatic Window Opener Automatic Vent Opener with Double Spring Solar Vent Roof Opener Replacement Cylinder Temperature Control, with Solar Power Sensor (Window Vent Opener)
  • AUTO WINDOW OPENER--As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
  • DOUBLE SPRING--Double spring mechanism protects against wind gusts, clamps to greenhouse bars , no drilling needed.
  • 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-- The Automatic vent opener is appropriated for most of the current garden greenhouses.Easy to install ,we have attached a Installation manual ,if you have any questions, please don't hesitate to contact with us.
  • MAXIMUM OPENING--Approx. 30°. Maximum window opening: 45 cm. Suitable for most greenhouses.Easy to install,screw directly into polycarbonate panels, wood, or metal frames.
No. 2
Automatic Roof Vent Opener Snap Grow Greenhouse Acessories Solar Window Louvre Thread Opener, Up to 30lbs (Dual Spring Opener)
  • Automatic Window Opener Prevent hobby greenhouse overheating
  • Dual Spring Solar Vent Opener with Stronger Force, up to 30lbs
  • Ideal for your greenhouse window, wall and hobby vents in higher wind situations
  • Starts opening between 59 - 77°F, Replaces manual vent arm
  • Screw directly into polycarbonate panels, wood, or metal frames.
No. 3
Agriculture Solutions Univent Automatic Vent Opener Standard - Lifts 15 Lbs
  • 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.
No. 4
ROBTLE Automatic Vent Opener Lifts, Solar Heat Sensitive Window Opener Autovent Kit Standard Opener Greenhouses Roof Suitable for Palram Greenhouse, 15 Lbs
  • ✿【Automatic Vent Opener】-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating
  • ✿【Solar Energy】-- Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. This solar heat sensitive vent opener can lift up to 15 lbs. the cylinder closes well before deep freezing and opens again with no problem.
  • ✿【Greenhouse Helper】-- With this greenhouse vent autovent it can prevent greenhouse overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Start to open - 15°c - 25°c (60°-77F); Fully open temperature 35° (19f) or above; Fully open distance 45cm (18inch).
  • ✿【Premium Quality】-- This solar heat sensitive adopted elongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof.
  • ✿【Warm Tips】-- Do not use this opener anywhere the temperature will exceed 45° (122F). To use with the palram greenhouse, you need to use the drilling tools to screw into the channel and fix it.
No. 5
BIBISTORE Solar Heat Sensitive Automatic Greenhouse Window Opener Hothouse Vent Openers Auto Vent Kit-(Two Springs,Lifts 15 Lbs,No Power Needed)
  • 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.
  • 4.Both Clamp and screw for easy installation.
  • 5.Pack well for shipment
SaleNo. 6
Wiwir Solar Heat Sensitive Automatic Greenhouse Vent Opener Auto Vent Kit Gardening Tools for Greenhouses Roof Ventilation (Single Spring Vent Opener)
  • Suitable for Most Greenhouses--►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.
  • Quality Construction--►QUALITY CONSTRUCTION - Reliable, quality built anodised aluminium automatic window opener for greenhouses.
  • ►WORKING CONDITIONS - Start to open - 15°c - 25°c (60°-77F); Fully open temperature 35° (19f) or above; Fully open distance 45cm (18")
  • ►ENVIRONMENTAL FRIENDLY - Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
  • ►IMPORTANT NOTICE - Do not use this opener anywhere the temperature will exceed 45° (122F). To use with the palram greenhouse, you need to use the drilling tools to screw into the channel and fix it.
No. 7
Jack-Store Solar Heat Sensitive Automatic Thermofor Window Opener Greenhouse Autovent Vent Opener Standard - Lifts 15 Lbs
  • 100% brand new and high quality.
  • Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
  • Simply opens and closes when the temperature changes.
  • Maximum opening : about 30°, depending on adjustment and load ./Maximum window opening : 45cm.
  • Suitable for most greenhouses.
No. 8
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
  • Aluminum and Stainless steel material for durability.
  • Two springs are more strong and better withstand Wind.
  • 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.
  • Best for awning style windows.Uses Solar energy only, no power required.
No. 9
Window Opener for Greenhose, Single Spring Heat Sensitive Automatic Window Opener Skylight Temperature Sensor Auto Window Vent for Sheds and Greenhouse, Max Load 7kg 7kg/15lb
  • 【AUTOMATIC】This 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.
  • 【NON ELECTRIC】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. Window roof vent opener Suitable for greenhouse window up to 7kg (if more than 7kg, we recommend you to use two window opener).
  • 【HIGH QUALITY】All parts corrosion resistant. Spring controlled - Resists wind damage when opening and closing.Start open at about 25°C/77°F, when temperature above 25°/77°F, the window opener will keep opening. once temperature drop to about 15°F, the window opener will totaly close.
  • 【EASY TO ASSEMBLE】Window roof vent opener is Easy to fit - Screws into wood and clamps onto aluminium greenhouses without the need for drilling, Can be clamped onto or screwed onto your greenhouse frame, including fittings & installation manual.
No. 10
BIBISTORE Auto Vent Opener Agricultural Greenhouse Solar Powered Automatic Window Opener Heat Sensitive Roof Ventilation Controller-(Lifts 15 Lbs,No Power Needed,Two Springs)
  • 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.
  • 4.Thicker and stronger steel material with 2-spring type, suitable for windy mountain area, resist wind twist.
  • 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.

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Last update on 2021-04-16 at 08:18 / Affiliate links / Images from Amazon Product Advertising API