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Automatic Greenhouse Window Opener

Our automatic greenhouse window openers for your roof vents are a must and are also available for fitting to louvre vents. Automatic greenhouse window openers overcome the problems of rapid changes in weather conditions - they react to the heat so that vents are opened when temperatures increase, without you having to be there. The best-known automatic vent openers on the market are Bayliss Autovents which have been manufactured for over 40 years. These automatic greenhouse window openers can be used on both wooden greenhouses and aluminium greenhouses. Fitting greenhouse window openers to roof vents and louvre windows means that you don't have to try to predict the weather conditions - these greenhouse window openers simply react to the temperature, opening vents when temperatures increase, and closing them when temperatures fall.