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3 Oct, 2022 00:06:31

Autovent Greenhouse Roof Vent Automatic Opener

Autovent Greenhouse Roof Vent Automatic Opener


This heat operated automatic roof vent opener opens and closes roof vents automatically in response to climatic conditions. The flexible design ensures that it will fit most popular greenhouses, except smaller reach in or lean to greenhouses. The unit is adjustable to suit your needs. The smaller vent bracket features elongated holes to suit most vents. The larger frame bracket features multiple holes to suit most greenhouse frames. Clamps are also included so the unit will fit many greenhouses without drilling any holes. Instructions are supplied with all necessary fixings.

Prices fixed until Wednesday 5th October.

The prices INCLUDE DELIVERY within 1-2 weeks. Unlike others we do not add delivery charges at the checkout. Everything you need for assembly is supplied including instructions and all necessary fixings.

Automatic Roof Vent Opener£29


This vent opener fits the majority of free standing greenhouses and larger lean to greenhouses which are at least 4' deep but not smaller reach in or lean to greenhouses or cold frames. This is because the cylinder hangs down and protrudes whenever the vent is not fully open. In a smaller lean to greenhouse e.g. 2'x4' or 2'x6' the cylinder would be obstructed by the front wall. No guarantee is given that it will fit a particular model.


  • Delivery is normally within 1-2 weeks after order
  • Delivery is available to any address in the UK, except the Channel Islands
  • Mainland delivery throughout England, Scotland and Wales.
  • Offshore delivery to Northern Ireland, the Scottish Isles, the Isle of Man, the Isle of Wight and the Scilly Isles.
  • We are currently unable to deliver to the Channel Islands or the Republic of Ireland.
  • We always have a large stock of this item available for immediate despatch.
  • Our prices include all delivery charges - unlike others we do not add delivery charges during the checkout process.
  • PERFORMANCE DATA: Average 5 days before dispatch, 91.23% delivered within 3 days of dispatch, 100.0% delivered within 10 days, 0.13% reported damaged. We check the performance of our carriers regularly and publish the results. These small and lightweight parcels are hardly ever lost or damaged but the delivery period is a few days longer. We prefer a slower service which is more reliable for these smaller products, which are easily lost by most carriers.


  • All prices include VAT.

ORDER ONLINE: You can pay with a debit or credit card. We also accept password protected online payments using Verified by VISA or Mastercard SecureCode.

METHODS OF PAYMENT: We accept most major credit cards and debit cards including VISA, MasterCard, VISA Debit and MasterCard Debit. We also accept secure online payments using Verified by VISA or MasterCard SecureCode. We do not accept American Express or Diners Club cards at present.

SCHOOLS, COUNCILS AND BUSINESSES: We supply many schools, local councils and businesses both large and small. The prices and terms are the same so you can order online if you wish. If you want to pay by BACS transfer or company cheque please email us.