Additional Greenhouse Auto Vent Openers
The New Harrod 'easy fit' automatic greenhouse vent opener is very simple to fit and just as easy to remove for winter, providing automatic control of the greenhouse temperature by opening and closing the window depending on the temperature
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These new autovents are a superb addition to any greenhouse and have a double spring, designed to hold the roof vent shut in higher winds. Better still it is now possible to disengage the autovent when high wind is expected and is supplied with a unique bracket that will lock the roof vent securely closed.
These Autovents are very sensitive to changes in temperature. When a cloud goes overhead they will start to close the roof vents before you are even aware of a temperature drop. The autovents will control the climate far better than you could achieve yourself.
Please note these Autovents only fit the Harrod Greenhouse.