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Univent Automatic Vent Opener

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The Best Univent Automatic Vent Opener of 2023 – Reviewed and Top Rated

2,582 Reviews Scanned

Rank No. #1
Yziixi Greenhouse Automatic Window Opener Kit Solar Heat Sensitive Cylinder Replacement Roof Vent Opener Agricultural Greenhouse Window Lifter Autovent Vent Opener Standard Two Springs
  • 🌞【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.)
  • 🌞【Double Spring Design】Compared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable.
  • 🌞【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.
  • 🌞【High Performance】As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
  • 🌞【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.
Rank No. #2
JINGOU Greenhouse Vent Automatic Opener Solar Heat Sensitive, Auto Roof Vent Opener Greenhouse Accessories Roof Vent Auto Opener, Greenhouse Window Opener Ventilation, Lifts 15 Lbs (2pcs)
  • 2 pieces of Greenhouse Vent Automatic Opener, Suitable for Most Greenhouses-- Up to 15lb load-bearing capacity, JINGOU greenhouse Automatic Vent Opener kit is suitable for most greenhouse. Maximum opening weight 7 kg, Maximum height approx. 45 cm.
  • Solar Heat Sensitive Working Condition-- Solar greenhouse vent opener works when the temperature exceeds 77°F /25°C, solar vent opener will open. while temperature drops to 59°F /15°C, the greenhouse kit will shut down completely.
  • Upgraded Material, Reliable and Reusable-- JINGOU greenhouse side window automatic vent opener made of Zinc-coated Steel, Durable and Anti-rust , makes it has a longer servies time. Product Size 12x1.4 x1.57inch/31.5x3.5x4cm, Weight 0.97lb/440g.
  • Automatic Opening/Closing, No Batteries or Electrical Power Needed--Using solar energy, the greenhouse automatic temperature controlled window opener automatically opens and closes through the thermal induction of temperature.
  • Equipped with Screws, Easy To Install-- Greenhouse window opener automatic set of 2. Vent opener greenhouse equipped with screws, screw it into the panel , wood or metal frame directly with a screwdriver, simple and convenient.
SaleRank No. #3
Palram - Canopia Automatic Roof Vent Opener for Greenhouses
  • Opens automatically when temperature rises to vent your Canopia Greenhouse
  • Installs quickly and easily
  • Simple, oil-filled cylinder, no power needed
  • Replaces manual vent arm
Rank No. #4
Greenhouse Automatic Vent Opener Automatic Greenhouse Window Openers Solar Heat Sensitive Greenhouse Ventilation Kit Greenhouse Vent Automatic Opener Auto Roof Vent Opener (2, Silver)
  • Automatic Opening and Closing of Windows: Our auto window vent opener uses solar energy,automatically opens and closes windows for greenhouse plants based on temperature,regulate temperature for indoor plants, flowers, vegetables, and fruits and so on. When the temperature exceeds 77°F/25°C , the window regulator will remain open. The temperature drops to 60°F /15°, the opener will close completely.Full Opening Temperaturen is 86°F/30°C.
  • Durable and Anti-rust Automatic Greenhouse Window Opener:Automatic roof vent opener is crafted with premium aluminum alloy, our opener withstands bad greenhouse conditions (water, sun, and temperature swings). Greenhouse vent automatic opener reinforced structure supports up to 15 lbs(7 kg) with a maximum lift height of 18" (45 cm), ensuring reliable performance.
  • Solar Heat Sensitive Auto Vent Opener Automatic Greenhouse Window Opener: Eliminate wiring hassles and energy costs! The built-in solar thermal drive requires no batteries or external power, making it perfect for remote greenhouses, sustainable farms, industrial window opening,personal family interest planting, and so on. The 13.4" (34 cm) cylinder ensures smooth, silent window adjustments day and night.
  • Easy to Install and Use:Auto ventilation window opener is designed for DIY enthusiasts, it mounts effortlessly on plasci panels, wooden frames, or metal structures using basic tools. Ideal for roof vents, sidewalls, and hobby greenhouse models
  • Adjust Indoor Ventilation Conditions: Solar automatic window opener optimizes plant health with automatic open and close window and temperature management. The gradual 17.72in/45cm venting height prevents sudden drafts while promoting air circulation—critical for preventing plants from being windless and dry during their growth process
SaleRank No. #5
PATIOHZ Replacement Cylinder for Automatic Vent Opener Temperature Controlled Window Greenhouse Accessories, Automatic Greenhouse Cylinder for Window Openers (Hydraulic Cylinder)
  • Energy Efficiency: Non Electric, utilizes solar energy to open or close the greenhouse vents. This greenhouse window opener cylinder promotes a sustainable and energy efficient greenhouse operation.
  • Temperature Control Made Easy: With a temperature range of 15°-25°C (60°-77°F), our greenhouse winder is easy to use and ensures your plants stay healthy and happy.
  • Durable and Reliable: Designed to withstand various weather conditions, greenhouse vent opener cylinder provides consistent and reliable operation. Greenhouse window cylinder replacement ensures the proper ventilation and climate control required for healthy plant growth.
  • Replacement Cylinder Only: Only provides replacement cylinders for your convenience to replace the old greenhouse window opener auto cylinder, window opener is not included, please check carefully.
  • [Note]: In order to ensure a good use experience,this cylinder need to be refrigerated for half an hour before use it.Do not use this opener cylinder anywhere the temperature will exceed 50° (122F).

Last update on 2025-07-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Univent Automatic Vent Opener?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Univent Automatic Vent Opener that you consider buying. Your questions might include the following:

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  1. Brand Value: Every brand of Univent Automatic Vent Opener has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Univent Automatic Vent Opener?
  3. Specifications: How powerful they are can be measured.
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  5. Customer Ratings: Number ratings grade Univent Automatic Vent Opener objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Univent Automatic Vent Opener.
  7. Product Quality: You don’t always get what you pay for with an Univent Automatic Vent Opener, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Univent Automatic Vent Opener is should be an indication of how long it will work out for you.

We always remember that maintaining Univent Automatic Vent Opener information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Univent Automatic Vent Opener is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: What’s the maximum temperature for a Univent window opener?

A: The Univent allows solar powered control of top and side mounted window vents thanks to its dual springs. Univent window openers have an adjustable opening temperature of 60° F to 75° F and an 18″ maximum opening which would be reached at approximately 20° to 30°F above opening temperature.

Q: What should the temperature be for a vent opener?

A: Starts opening between 55 – 75°F, depending on how you have adjusted the vent. Screw directly into polycarbonate panels, wood, or metal frames. To see our price, add these items to your cart.

Q: Are there any restocking fees for Amazon Univent?

A: This is a modal window. Restocking Fees will apply for any UNIVENT that has been altered in any way from its original contents. ONLY Amazon PRIME buyers will be given any warranty, ANY OTHER SELLER is selling counterfeit Univents from China.

Q: Is there any warranty on an Amazon Univent?

A: ONLY Amazon PRIME buyers will be given any warranty, ANY OTHER SELLER is selling counterfeit Univents from China. There was a problem filtering reviews right now.

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