10 Best Automatic Window Openers For Greenhouses - May 2026

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Last Updated: 27-05-2026

Automatic Greenhouse Window Opener Autovent with Opening Force 7KG Opens from 17-25C Uses the Power of the Sun to Work

Gardening Naturally

9.8

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Bayliss XL Autovent - Automatic Greenhouse Window Opener - Temperature Sensitive Solar Vent Opener

Bayliss Autovents

9.6

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Best Value

Greenhouse Vent Opener Automatic Window Opener 15kg – Heavy-Duty Twin Spring, Solar Heat Activated, Adjustable Temperature, by Speedwellstar

Speedwellstar

9.5

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Leafy Creations Silver Greenhouse Window Opener Automatic Temperature Controlled Greenhouse Accessories Auto Vent.

Leafy Creations

9.2

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Automatic Greenhouse Window Opener 7kg Lifting Force 10-37°C Heat-Sensitive Solar Powered Auto Roof Vent for Greenhouse Temperature Control UK

HowseHold

9.1

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Bayliss Automatic Autovent Greenhouse Window Opener x 2

Wolds Collection

8.8

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Forest Green Bayliss XL Autovent - Automatic Greenhouse Window Opener - Temperature Sensitive Solar Vent Opener

Bayliss Autovents

8.6

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Replacement Piston for Speedwellstar Greenhouse Vent Opener – 15kg Automatic Window Cylinder, M10 Thread, Fits Most Standard Vent Openers (Not Compatible with Bayliss)

Speedwellstar

8.4

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Leafy Creations Black Greenhouse Window Opener Automatic Temperature Controlled Greenhouse Accessories Auto Vent. (Black)

Leafy Creations

8.2

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Leafy Creations Replacement Piston for Greenhouse Window Openers Automatic. Temperature Controlled Greenhouse Spares and Accessories for Cold Frame and Greenhouse Vent Opener.

Leafy Creations

8.1

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