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Best Greenhouse Window Openers

TOPINCN Automatic Greenhouse Window Opener, Automatic Greenhouse Vent Opener Easy to Install Greenhouse Accessories for Garden Greenhouse Roof

  • Non 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.
  • As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
  • Perfect for your greenhouse window‑‑opens and closes your greenhouse window.
  • Please make sure your greenhouse window can be opened freely by at least 45cm (18")..
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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

  • 【HIGH QUALITY】All parts corrosion resistant. Spring controlled - Resists wind damage when opening and closing. When temperature above 25°/77°F,....
  • 【NON ELECTRIC】Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling....
  • 【APPLICATION】Maximum window opening approximately 45cm/18'', depending on adjustment and load. Window roof vent opener Suitable for greenhouse....
  • 【AUTOMATIC】This opener will automatically open and close your greenhouse window, as the temperature changes automatically, maintains the best....
  • 【NOTICE】 Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an....
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SERIES 525 CASEMENT SINGLE VENT (X) LEFT/RIGTH OUTSWING (24\W x 72\H)

  • [Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
  • [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.
  • [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..
  • [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 greenhouse, you need to use the drilling tools to screw into the channel and fix it..
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AAADRESSES Greenhouse Window Ventilation Bracket, Automatic Ventilation Switch, Solar Thermal Window Opener, Automatic Window Opening Tool for Greenhouse

  • [Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
  • [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.
  • [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..
  • [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 greenhouse, you need to use the drilling tools to screw into the channel and fix it..
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1 White Recessed Screw Terminal Block Door Contacts NC Alarm Door Window Sensors with Magnetic Reed Switch. These 38 Door Contact Position switches DCS Work

  • [Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
  • [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.
  • [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..
  • [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 greenhouse, you need to use the drilling tools to screw into the channel and fix it..
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Quictent 95\ W x 36\ D x 36\ H Mini Portable Greenhouse, 2 Meshed Windows & Large U-Shaped Zipper Screen Door, Garden Green House, w/ 8 Stakes (Green)

  • 【MESHED WINDOW】--All windows of portable greenhouse are equipped with meshed layer, you can open all windows in hot days without disturbance of birds, crows, and sparrows. Keep your vegetables and fruits safe while ventilation. Also can be used as chicken coop..
  • 【LONGER GREENHOUSE DESIGN】-- Longer designed greenhouse makes it easy to protect more vegetables and flowers. Big enough to work for good sized plant pot & garden bed. Can be used both indoors & outdoors. Easy to move and convenient to store..
  • 【LARGE ZIPPER WINDOW】-- Mini long greenhouse is equipped with 1 large U-shaped meshed window & 2 small side windows, provides easy access to water your plant and more ventilation, and allows air flowing through on hot days..
  • 【OVERLONG COVER DESIGN】-- Makes greenhouse more airtight and secure, just bury it in the soil, easy way but useful and stable. And this cover can let more light in in the winter to keep enough warm inside..
  • 【DUAL ZIPPER】-- Main window with 2 zippers (4 zippers in total) can let the greenhouse be completely closed to keep warm. We had about a 95% germination rate instead of our usual 80% due to the good ground warmth!.
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ORORANY Automatic Ventilation Greenhouse Window Opener with Solar Power Sensor- Garden Greenhouse Roof Ventilation Window Opener Kit Lifts 15 Lbs

  • Automatic Temperature Control: Our solar-powered greenhouse window opener opens and closes vents according to the temperature, ensuring optimal growing conditions without any manual intervention..
  • Energy-Efficient and Eco-Friendly: With no batteries or electricity required, this automatic greenhouse vent opener is a smart, sustainable choice that helps reduce your carbon footprint and save on energy costs..
  • Durable and Rust-Proof: Featuring an aluminum spray-painted cylinder, the solar window opener is built to last and withstand harsh weather conditions. Its shiny finish adds a touch of elegance to your greenhouse..
  • Wide Vent Angle and Maximum Opening: This automatic greenhouse vent opener opens vents at an angle of about 30°, allowing for optimal air circulation. With a maximum opening of 18 inches, it provides ample ventilation for your plants..
  • Easy to Install: The greenhouse window opener comes with a comprehensive installation kit and a detailed manual, making it easy to install even for beginners. Get the most out of your greenhouse with our reliable and convenient automati....
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Tingyuan Pop up Greenhouse Mini Greenhouse for Indoor Outdoor 27'x27'x31'

  • Greenhouse for outdoor can protect plants from temperature changes and bad weather, including strong winds, heavy rain, frost and insects..
  • Through the transparent window, you can see the growth of the plant. You can also open the window of mini greenhouse to ventilate..
  • Pop up greenhouse can be easy to install, just fix with ground nails..
  • The deployment size of portable greenhouse is 27" * 27" * 31" and the folding size is 13.8" * 13.8" * 0.79",which can be folded when not in use..
  • Gardening greenhouse is made of high-quality transparent PVC and elastic steel hoop, which is durable..
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AMERLIFE 6 L x 8 W Walk-in Polycarbonate Greenhouse with Roof Vent for Ventilation & Rain Gutter Hobby Greenhouse for Winter

  • 【Ideal Growing Environment】Non-toxic and odorless thick polyethylene (PE) cover provides waterproof and UV protection function for the plant,....
  • 【Unique window Design】Window Size: 15''x11'' With the zippered roll-up door and window design, regulate external airflow keep the plant warm and....
  • 【Sturdy Construction】The sturdy frame and shelves is built with heavy-duty bold anti-rust steel pipe. 4 ropes and 4 hooks secure the greenhouse to....
  • 【Product Dimensions】56L x 29W x 77H inches walk-in greenhouse. This window version greenhouse includes 4 net shelves and plenty of room for all....
  • 【Easy to Install and Move】No tool needed, easy to assemble and all parts are detachable. The rope, hook, and size of the greenhouse are designed....
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Outsunny 6' x 6' x 7' Walk-in Plant Polycarbonate Greenhouse with Temperature Controlled Window Hobby Greenhouse for Backyard/Outdoor

  • PREMIUM MATERIAL: Our winter greenhouse provides UV protection up to 30um. However, we made sure to think about your plants, too! That means the outdoor greenhouse panels are very good at transmitting sunlight, so your leafy friends can fully absorb sunlight..
  • DURABLE FRAME: The walk in greenhouse is made of a lightweight and aluminum alloy frame, ensuring backyard greenhouse durability and reliability throughout the seasons to come..
  • SMART DESIGN: The top window of the outdoor greenhouse for winter has a temperature-control design, as the window can automatically open and close according to the temperature..
  • CONVENIENT DESIGN: The hand push window on the side of the patio greenhouse can be fixed to four different angles for good ventilation. The hinged door provides for easy access in and out this greenhouses for outdoors..
  • ASSEMBLY REQUIRED: Foundation is included. The detachable foundation can be used in 2 ways: it can be installed down to insert deeply into the soil or installed upward to stabilize the greenhouses for outside winter. PLEASE NOTE: This item arrives in separate boxes and may not be part of the same shipment.
  • delivery times may vary. Box Quantity: 2.
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Outsunny 6' x 8' x 7' Walk-in Plant Polycarbonate Greenhouse with Temperature Controlled Window Hobby Greenhouse for Backyard/Outdoor

  • PREMIUM MATERIAL: Our winter greenhouse provides UV protection up to 30um. However, we made sure to think about your plants, too! That means the outdoor greenhouse panels are very good at transmitting sunlight, so your leafy friends can fully absorb sunlight..
  • DURABLE FRAME: The walk in greenhouse is made of a lightweight and aluminum alloy frame, ensuring backyard greenhouse durability and reliability throughout the seasons to come..
  • SMART DESIGN: The top window of the outdoor greenhouse for winter has a temperature-control design, as the window can automatically open and close according to the temperature..
  • CONVENIENT DESIGN: The hand push window on the side of the patio greenhouse can be fixed to five different angles for good ventilation. The hinged door provides for easy access in and out this greenhouses for outdoors..
  • ASSEMBLY REQUIRED: Foundation is included. The detachable foundation can be used in 2 ways: it can be installed down to insert deeply into the soil or installed upward to stabilize the greenhouses for outside winter. PLEASE NOTE: This item arrives in separate boxes and may not be part of the same shipment.
  • delivery times may vary. Box Quantity: 2.
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VEIKOU Greenhouse for Outdoor Heavy Duty Polycarbonate, 6' x 10' Garden Plants Green House Kit with Aluminum Frame, Lockable Door and Rain Gutter for Backyard Winter, Silver

  • 【RAIN GUTTER & SWING DOOR】Our greenhouse for outdoor plants with gutter system on both sides to collect and drain rain water. Unlike other polycarbonate greenhouses with sliding door, we upgraded the door for a swing-out lockable design which makes it more easier for you to walk into the greenhouse for daily use. The internally tight closure triangular structure can effectively improve the stability of the outdoor greenhouse to prevent it from falling apart under the harsh environment..
  • 【CUSTOMIZE WINDOW POSITION】Different from others, the window of our polycarbonate walk-in greenhouse for outdoor with 4-position manual adjustable poles for better ventilation, which can create an ideal growth environment for your plants. You can also customize the window to any roof panel according to your like. The 6’ x 10’ greenhouse has a large space that can accommodate enough plants and gardening tools, you can directly enjoy the fun of growing plant after assembly..
  • 【HEAVY-DUTY GREENHOUSE FOR MORE STURDY】The frame of our heavy-duty walk-in greenhouse kit is made of premium corrosion resistant and weather resistant powder-coated thickened aluminum in silver finish, which is rust-resistant and more sturdy to deal with all kinds of weather. The thick....
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porayhut Pop Up Greenhouse Cover Flower House Mini Gardening Plant Flower Sunshine Room Room,Backyard PVC Greenhouse Cover for Cold Frost Protector Gardening Plants

  • 1◖✿◗ pop-up design, this winter greenhouse cover can be fixed with the ground nail after deployment, easy to operate..
  • 2◖✿◗Transparent Window: you can clearly see the growth status of the plant without opening the window of the mini greenhouse, you can also open the window to ventilate..
  • 3◖✿◗Foldable Mini Greenhouse: deployment size 27" * 27" * 31", folding size: the greenhouse can be folded when not in use, convenient for storage, no space and easy to carry..
  • 4◖✿◗ Greenhouse size: 27.6"x27."6x31.5" Package size:13.7"*13.7"*2" Package weight: 1.0KG Material: UV50+ PVC cover, steel hoops..
  • 5◖✿◗ Multiple Effects: UV protected, Waterproof, Reinforced, Transparent PE plastic cover (with ropes let cover and frame combined better).Greenhouses are lightweight yet sturdy enough to ensure long-lasting use. It is perfect for creating warmth and insulation, while allowing air, moisture and sunlight to filter through for optimal growing conditions..
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