Top 9 Automatic Louvre Opener UK – Home & Garden Store

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1. Thermoforce

Automatic Louvre Opener

Thermoforce - It works by wax within its cylinder expanding when hot, pushing a piston to open the window. Designed to open the louvre window automatically - it also has a release catch to allow manual opening and closing. Suitable for aluminium or wooden greenhouses. Fits to most makes of Louvre windows. When it's cool the wax contracts and the window is closed.
ModelRegal Unit

2. Gardening-Naturally

Gardening-Naturally Greenhouse Louvre Vent Automatic Window Opener

Gardening-Naturally - Comes complete with step by step instructions. It uses the power of the sun to automatically open and close based on the temperature you set. It works by using a wax cylinder with expands in the heat. Opens windows from 17-25 degrees celcius. Made from aluminium zinc coated steel. Fit's most standard greenhouse louvre vents. Give your greenhouse the ventilation it needs with our automatic louvre vent opener.
ManufacturerGardening Naturally

3. Summer Garden Buildings

Summer Garden Buildings Automatic Greenhouse Louvre Opener

Summer Garden Buildings - Fits most popular greenhouses. Adjustable to suit your needs. Heat operated, opens and closes louvre vents automatically. Any uk address included, mainland or offshore, except the Channel Islands. Fixes to bolt channels in the frame with standard greenhouse bolts.
BrandSummer Garden Buildings
ManufacturerSummer Garden and Leisure Buildings Ltd


A ANLEOLIFE Automatic Roof Vent Opener Snap Grow Greenhouse Acessories Solar Window Louvre Thread Opener, Up to 15lbs Centre Shalf Opener

A ANLEOLIFE - Ideal for your greenhouse window, wall and hobby vents in higher wind situations. International products have separate terms, age ratings, and language of product, are sold from abroad and may differ from local products, including fit, labeling or instructions. Automatic window Opener Prevent hobby greenhouse overheating. Auto open/closed. The greenhouse window opener does not consume any power, no batteries or electrical power needed. Screw directly into polycarbonate panels, wood, or metal frames.
ManufacturerA ANLEOLIFE

5. Leafy Creations

Leafy Creations Replacement Cylinder for Greenhouse Window Opener Automatic. Windows Vents Auto Opener

Leafy Creations - Compatable-compare with your existing opener, palram, it is the same!!! Suitable for Orbesen, Gardman, if it looks the same, B&Q and most other UK and foreign branded vent openers.

Simple diy installation and suitable for single or double sprung vents. Opening temp range 16°c-26°c 60°f-78°F helping to maintain optimal growing conditions in your greenhouse. Save money--if your greenhouse window openers have stopped opening the window or doesn’t fully open, it is simply the cylinder that needs replacing. Perfect growing temperature. Easy installation. Instructions-please see 'product description' below for a guide to fitting and see images for a dimension diagram. Why waste money buying a complete autovent, when you can easily and for much less money simply replace the cylinder.
BrandLeafy Creations
ManufacturerLeafy Creations
Height1.5 cm (0.59 Inches)
Length30 cm (11.81 Inches)
Width1.5 cm (0.59 Inches)
Part NumberLC176


YAOWEI Automatic Roof Vent Opener Greenhouse Acessories Solar Window Louvre Thread Opener for Hothouse Cold Frame Gardening Tools, Lifts 15Lbs,Single Spring

YAOWEI - 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°. Opening temperature regulated 16° to 25°. 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.
Part Number325-488-350


JULYKAI Agriculture Solutions Liberty,Automatic Opening Closing Louver Blind Window Opener Opening Tool for Home Office Louver Opener Automatic Window Opener for Greenhouse

JULYKAI - Spring and support bar provide additional protection against wind damage. The window opener automatically opens and closes as the temperature changes. Universal, suitable for any blind window, easy to install and use, easy to use. Made of high quality aluminium material, not easy to rust and durable in use. Easy fitting by clamps or screws provided, no batteries or electricity required.
Height0 cm (0 Inches)
Length0 cm (0 Inches)
Weight0.34 kg (0.75 Pounds)
Width0 cm (0 Inches)
Part NumberJULYKAI91i60uze4d

8. Yosoo

Yosoo Replacement Cylinder for Automatic Opener for Greenhouse Automatic Window Opener Temperature Controlled

Yosoo - This offer only applies to a spare cylinder for the full set of Auto Vent Openers you can find it in my shop. Non-electrical use of solar energy, open or close the greenhouse openings as the temperature rises or falls.

Window opener is also suitable for Orbesen, Gardman & B & Q vents. If you find a product that does not shrink, when it is cold or hot, it may be that the product is being used during the high temperature during transport has reached the maximum length. You only have to put the product in the refrigerator and take out after some time. Window opener will not work if these openers are used anywhere exceeding the temperature 50 ° 122F. The stainless steel part is pressed to the end and can be used.
Weight0.04 kg (0.09 Pounds)

9. Bayliss

Bayliss XL Auto Vent Opener

Bayliss - Quality construction. Made in the UK. 2 year manufacturers guarantee. Solar powered greenhouse vent opener. Clamps to greenhouse bars - no drilling needed.
Height4.5 cm (1.77 Inches)
Length5.99 cm (2.36 Inches)
Weight0.5 kg (1.1 Pounds)
Width30 cm (11.81 Inches)
Part NumberXL Autovent
ModelXL Autovent