Best vent opener for 2020

There are many reasons you might choose to buy vent opener but it is not easy to find the best suitable vent opener for you. But don’t worry! We did some of the work for you already by researching a few models on the current market. Let’s check following article to find the best vent opener.

Best vent opener

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Best vent opener reviews

1. Agriculture Solutions Univent Automatic Vent Opener Standard - Lifts 15 Lbs

Feature

Temperature Activated (Heat, Sun, Solar) Vent Opener can lift up to 15 lbs
Starts opening between 65 to 77 degrees F, depending on how you have adjusted the cylinder
Easy to install, Screws directly into polycarbonate panels, wood, or metal frames
Unique hydraulic cylinder has 3 year manufacturer replacement guarantee
Versatile hinge opens cold frames, doors, vents and windows

Description

UNIVENT Automatic Window Opener uses our powerful temperature sensitive hydraulic cylinder that has been in use for decades as the standard in reliability to open cold frames, windows, vents, doors, tunnels, hot houses and demi-lumes. The key features that differentiate UNIVENT is it's compact design, EASY-CLIP-SYSTEM, Double Spring Design, and now our Security Tape for closing the hinge up for winter. The innovative EASY-CLIP-SYSTEM makes it easy to rapidly disconnect one end of the opener without any cumbersome tools, simply undo the clip and have access to the inside of your opening, even in the closed position.

The standard cylinder carries a Manufacturer coverage for replacement for 3 years, and replacement cylinders are also easily available to purchase.

Material: Aluminum
Maximum opening width: 17.5 inches
Maximum opening temperature at 86 degrees F
Maximum lift: 15 pounds
Made in Denmark under the strictest quality standards in the industry. This is a professional and serious home and garden vent opener made by the same company in Denmark since 1978 by Johannes Orbesen and his world famous "Open Sesame" invention.

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

Feature

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.
Easy to install. Can be clamped onto or screwed onto your greenhouse frame.
Prevent greenhouse overheating.

Description

Specifications:

Greenhouse Window Opener Kit

Material: Aluminum Alloy

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

Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)

Package:
1# Automatic Window Opener Kit / Replacement Greenhouse Window Opener Cylinder (You can choose what you want)

Notes:
Do not use this opener anywhere the temperature will exceed 50 (122F) Please ensure your greenhouse window can be opened freely by at least 45cm (18") Do not apply excessive loads by locking or covering window Do not dismantle the cylinder The opener CANNOT stop by manual Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

3. Palram Automatic Roof Vent Opener

Feature

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

Description

The Auto Vent Kit conveniently opens the window vent in your Snap & Grow, Mythos, Essence or Grow & Store Hobby Greenhouse. It is easy to install and no electricity is required. There is a liquid in the cylinder that expands as the temperature nears 70 degrees causing the vent to open. As the temperature drops the vent will close. Let the Auto Vent do the work for you.

4. BIBISTORE Solar Heat Sensitive Automatic Greenhouse Window Opener Hothouse Vent Openers Auto Vent Kit-(Two Springs,Lifts 15 Lbs,No Power Needed)

Feature

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

Description

Material Upgraded 2-spring Automatic Greenhouse Window Opener

Technical Data
1.Fully opens up to 18" (45 cm) Lift vent weight up to 15 lbs (7 kg)
2.Open temperature adjustable from 15 to 23 (59 to 74); Fully open at 35 (93) or above
Note:
1.Do not use your window opener where the temperature will exceed 60 ( 140 ),
2.Before installation, must ensure your window can be opened without obstacle;
3.Spare cylinders can be ordered separately

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

Feature

Premium QualityElongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof.
Automatic Vent OpenerAs the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
Solar EnergyNon electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. 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 HelperPrevent greenhouse overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Start to open - 15c - 25c (60-77F); Fully open temperature 35 (19f) or above; Fully open distance 45cm (18").
TipsDo 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.

Description

Description:
This automatic window opener ois a great addition for a greenhouse or cold frame, keeps you from constantly having to check your greenhouse.

Specification:
Material: Aluminum Alloy
Fully adjustable between 20 - 25 C (68 - 77 F)
Maximum window opening: 45cm / 18 inch
Maximum opening weight: 7kg/15lb
Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)

Package included:
1 x Automatic Window Opener Kit

Notes:
Do not use this opener anywhere the temperature will exceed 50 (122F) Please ensure your greenhouse window can be opened freely by at least 45cm (18") Do not apply excessive loads by locking or covering window Do not dismantle the cylinder The opener CANNOT stop by manual Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

6. 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

Feature

1.Please note only BIBISTORE is the listing of owner.We provide FBA and offer serious quality guarantee.Also please pay attention that others' window opener might not be used at coldframe.
2.Aluminum and Stainless steel material for durability.Two springs are more strong and better withstand Wind.
3.Great trouble free dual spring design.
4.Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes.
5.Best for awning style windows. Uses Solar energy only, no power required.

Description

Automatic Greenhouse &ColdframeWindow Opener

Technical Data
Opens up to 45 cm ( 18" )
Lifts vent weight up to 15 kgs( 30 lbs ).
Open temperature adjustable from 15to 23 ( 50 to 73 )
Fully open at 33 ( 91 ) or above, max permissible temp 60 ( 140 )

7. Standard Hydraulic Cylinder Replacement for Univent, Thermovent, Optivent, Ventomax, & Sesam Liberty Window Opener

Feature

Replaces worn out Piston Rod from one or more of your Vent Window Openers.
The core technology is the hydraulic cylinder that contains a plant-based wax
This special designed cylinder containing this wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply
You don't need any electricity in your greenhouse; the window opener will be very environmental and CO2-friendly throughout its whole lifetime
Our renowned hydraulic cylinders replace our small range of window openers: Optivent, Univent, Thermovent, Sesam Liberty Vent, and Ventomax

Description

Replace your old Piston Rod with genuine parts from Denmark, since 1981! Fresh from the factory, our turnover on this product is literally weeks from the manufacturer, giving you fresh wax and a dependable greenhouse vent opener ready to replace your old or worn out cylinder/piston rod in these openers: OPTIVENT, UNIVENT, THERMOVENT, VENTOMAX, OR SESAM LIBERTY From the J. Orbesen Teknik Aps company out of Denmark: GREENHOUSE WINDOW OPENER REPLACEMENT CYLINDERS/PISTONS NO. 1 (W/O Thermometer). Due to many years of cooperation with greenhouse manufacturers, the installation of the cylinder is made very easy, and it fits most of our openers on the market. Apart from being used in our greenhouse window openers, the hydraulic cylinders are used in a wide variety of applications e.g. roof hatches; helicopters; power plants etc. Force push: 80 kg. Force pull: N/A. Stroke: 65 mm. Temperature, retracted: 17 C (62 F). Temperature, extended: 33 C (91 F). Color: Black INSTRUCTIONS: 1.) Place new cylinder in cool water or the refrigerator for 30 minutes. 2.) Remove old cylinder by undoing the hairpin clip and unscrewing cylinder and then check to see if your window or vent is moving freely. 3.) Reinsert new cylinder and replace hairpin in hole closest to cylinder for wider, earlier opening, or place hairpin in hole farthest away from cylinder for narrower, later opening. 4.) Adjustments: Always adjust the cylinder during a constant temperature, like middle day or middle night, so the cylinder can adjust slowly to its new settings. If you want the cylinder to open earlier/higher setting TURN CLOCKWISE. If you want the cylinder to open later/lower setting TURN COUNTER CLOCKWISE. One complete twist of the cylinder is about 1 degree, but results may vary from greenhouse to greenhouse.

8. Agriculture Solutions Gigavent - Automatic Greenhouse Vent Opener up to 65 Lbs

Feature

Premium Gigavent Solar Vent Opener can lift up to 65 lbs
Adjustable for different opening heights and mountable two different ways, taking up as little space as possible within your greenhouse.
The volume-expanding wax within the hydraulic cylinder will endure any temperature (hot or freezing), working independently of the power grid for continuous temperature monitoring.
Black and silver, high quality, all metal construction
2 Year Warranty with Agriculture Solutions LLC

9. Rion Automatic Louver Opener

Feature

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

10. TruePower Automatic Vent Opener Standard - Lifts 15 Lbs

Feature

Solar Vent Opener can lift up to 15 lbs. Automatic window opener opens and closes your greenhouse vent panels
Raise or lower the temperature setting with a simple twist of the cylinder and can be adjusted from approximately 65 to 80 degrees Fahrenheit
No electrical power is required as the fluid-filled cylinders expand in warm temperatures
Screw directly into polycarbonate panels, wood, or metal frames.
Put the cylinder in a cool place at max. 50F for at least 30 minutes before the assembly.
NOTE: Refer the User Manual before use.

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

Feature

If your autovent has stopped opening or doesnt fully open, it is simply the cylinder that needs replacing. Why buy a complete opener, when you can save money by only replacing the cylinder.
Compare with your existing opener, if it looks the same, it is the same. Suitable for Orbesen, Gardman, B&Q and most other US and foreign branded vent openers.
Simple DIY installation and suitable for single or double sprung vents.
Opening Temp range 60F-78F16C-26C (16C-26C) helping to maintain optimal growing conditions in your greenhouse
Please see 'Product Description' below for a guide to fitting and see images for a dimension diagram.

12. Solar Vent Opener - Greenhouse Window Opener Vent Solar Heat Sensitive Automatic Greenhouses Roof

Feature

1. Greenhouse Window Openers can lift up to 15 lbs.
2. Starts opening between 68 - 77F, depending on how you have adjusted the vent.
3. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
4. Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
5. This Solar Vent Opener Can be clamped onto or screwed onto your greenhouse frame.

13. Valensha Solar Heat Sensitive Automatic Thermofor Window Opener Greenhouse Autovent Vent Greenhouse Vent Window Opener Roof Opening Tool

Feature

This very smart autovent uses energy from the sun and surrounding air.
Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
This opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating.
Environmental friendly--Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes.

14. Samfox Window Opener, Solar Heat Sensitive Automatic Vent Opener Greenhouses Roof

Feature

This Automatic Window Opener mainly made of Aluminum Alloy with good mechanical properties.
A good vent tool for garden, Can be used to prevent greenhouse overheating.
Non electric, powered by solar energy, will open or close the greenhouse vents as temperature rises or drops.
Easy to use, just clamp it onto or screwed onto your greenhouse frame.
Ideal for your greenhouse window, opens and closes your greenhouse window automatically.

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

Feature

Greenhouse Helper.The window opener automatically opens and closes through the thermal induction of the temperature. Maintains the best growing temperature and prevents your greenhouse from overheating.
15-25. When the temperature exceeds 25, the window opener will remain open. The temperature drops to 15, the opener will close completely.
Auto Open/Closed.The greenhouse window opener does not consume any power, no batteries or electrical power needed.
Premium Quality.Made of steel with Zinc coating, weather resistant, durable and rust-proof. Applicable to most windows, the maximum weight of the ventilation window is less than 7kg can be used with confidence.
Easy to Install: Equipped with screws, Screw directly into panels, wood, or metal frames with a screwdriver, very simple and convenient.If neccsories,you need to use the drilling tools to screw into the channel and fix it.

Conclusion

All above are our suggestions for vent opener. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using vent opener with us by comment in this post. Thank you!