Bayliss Greenhouse Autovents
An auto-vent opens and closes a hinged vent automatically using energy from the warmth of the sun or the surrounding air. The hotter it gets, the wider it opens the vent. See more technical information.
Bayliss autovents - the most trusted and best quality automatic vent openers
Adequate ventilation is one of the most important aspects of greenhouse growing and our autovents take the guesswork out of this all important operation, ensuring accurate, continuous venting 24 hours a day.
Bayliss autovents are suitable for both wooden and aluminium windows and frames and the wide range available means that even if you require an autovent for a windy location or to lift heavy double glazed conservatory or greenhouse vents, we have an autovent to suit your needs.
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Choose Bayliss Autovents - Best Buy!
Selected 'Best Buy' in
Amateur Gardening Magazine
4th May 2013
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See the MK7 Autovent
Bayliss Greenhouse Autovents have been produced since 1964 by our family business in Derbyshire in the UK. Our autovents have been designed by our precision engineers and are completely sourced within the UK.
As specialist precision engineers, we are proud of the reputation we have for design, quality, reliability and service. Bayliss are the original designers of the mechanism which keeps the vent entirely within the window frame. We offer a range of autovents that covers almost any automatic ventilation requirement you may have.
Beware of imitators! Bayliss have led the way in autovent design and quality over many years and our automatic vent openers are widely recognised as the most reliable autovents available today.
| Corrosion resistant construction|| Balanced lifting action|
| Illustrated fitting instructions|| Alternative finishes and colours|
| Customisable designs|| Manufacturer's Guarantee|