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COVID-19 Update: Our delivery times are mostly running as normal. There are postcode restrictions for Vitavia. Elite resume deliveries from 14th April. We currently can't deliver to NI. Updated: 9/4 Read our statement



A greenhouse auto vent is essential for moderating the temperature inside your greenhouse.

As hot air rises it needs to escape, if you’re not around, an automatic roof vent opener will allow this to happen. We stock autovents from Bayliss and models to fit your Halls, Elite, Eden, palram or Vitavia greenhouse.

An automatic roof vent opener requires no electricity and isn't solar powered. They are in fact powered when the cylinder part of the autovent which is filled with wax heats up, the wax liquifies and the piston moves forward opening your greenhouse's roof vent. As it cools, and the wax solidifies, the vent closes.