Greenhouse Auto Vents

Bayliss XL Auto Vent Opener

Price: £18.22

BAYLISS XL Autovent - full retail package Brand new 2012 stock available for immediate despatch. We usually ship all orders received by 3.00pm the same day. Offered with a manufacturer backed full 2 year guarantee. Opens greenhouse roof vents... (more)
Leafy Creations Replacement cylinder for greenhouse window openers. Automatic temperature control. Cylinder only

Price: £13.90

A brand new, high-quality replacement cylinder for Greenhouse Window Automatic Openers or Aotovent, as they are commonly called.Compatible with most greenhouse window openers with either single or double springs.Uses solar energy to heat the cylinder.... (more)
Halls Auto Vent Opener

Price: £28.99

Reliable method for automatic opening of greenhouse vents. No need to manually adjust the vent, according to the weather.
Speedwellstar Strong 2 Spring Automatic Greenhouse Window Opener up to 15 kg (30 lb) load Vent Solar Auto Heat Sensitive Kit Twin Double Springs

Price: £21.95

Automatic Greenhouse Window Opener
Buyi-World Automatic Green Heat Sensitive Window Opener for Greenhouses Auto Vent Opener, Lifting capacity 7kg and Lifting Height 45cm

Price: £17.99

Product specification: Material: Aluminum alloy Silver colour Length: 31cm / 12.1 inches Length of the pole: 32.5 cm / 12.7 inches Maximum height of the window compartment: 45cm Maximum lifting capacity: 7 kg Maximum opening angle: 30 ° Opening... (more)
Elloughton Greenhouses The Original Ellovent™ Automatic Greenhouse Window Opener, Adjustable Roof Vent Autovent, Solar Powered

Price: £20.49

The Original ElloventTM Greenhouse Vent Opener Solar Powered Autovent Opens and Closes Greenhouse Window Automatically. Easy to Install, easy to Adjust Opening Temperature. Two separate maximum opening settings. Fits directly to roof vents and slam... (more)
Automatic Greenhouse Vent Opener

Price: £29.50

Automatically opens and closes your greenhouse roof vents as the temperature changes. Complete kit, ready to install with easy to follow instructions. Fits most greenhouses. Unfortunately if you have one of the "trapped polycarbonate" type of greenhouse... (more)
Bayliss Automatic Autovent Greenhouse window opener x 2

Price: £38.20

Essential for greenhouse growing, Bayliss autovents automatically open and close hinged vents providing accurate and continuous ventilation around the clock. Using the energy from the sun the Autovents are designed to mechanically open as the temperature... (more)
Elloughton Greenhouses® Double Spring Heavy Duty Automatic Greenhouse Window Opener. Opens Roof Vents and also Top Hung Side Vents

Price: £24.95

This quality greenhouse vent opener automatically opens and closes your greenhouse window as the temperature changes. This model is fitted with a heavy duty double spring mechanism designed for use in exposed locations or on lightweight polycarbonate... (more)
Gardening-Naturally Automatic Greenhouse Window Opener Opening Force 7KG Opens from 17-25C

Price: £18.97

This auto vent opens and closes your greenhouse window for you. It is easy to install and does not need electricity as it uses the heat from the sun. Perfect for letting the heat out of your greenhouse and when cool, keeping it in.
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