The Original Ellovent™ Automatic Greenhouse Window Opener, Adjustable Roof Vent Autovent, Solar Powered, by Elloughton Greenhouses®

Instructions nice and clear, except which way up to fit the mounting plates. Smooth side goes away from the bracket.From start to finish, including turning the plates over, took under 10mins, and it works perfectly.Very happy with the product, it was delivered a day earlier than expected and was simpler to fit than anticipated.Excellent experience.

You know what I like? Products that just work. And this is one of them. The fitting is a bit fiddly but it doesn't need to be screwed through anything and just clips on. And once installed, just works. And when it's fully closed doesn't get in the way of using the greenhouse. Good product

This item works great highly recommend and a great price

This product was cheap and arrived quickly. I was prepared to drill holes in my greenhouse frame, but it was unnecessary, the product clamps to the frame quite simply. I don't know how sturdy it is yet, we've had no wind, and I have had my greenhouse door slightly open to prevent the opener extending very far, so I can only comment on the product working in normal conditions. I'm very happy with it up to now, it is quite sensitive, and opens the window, steadily but seemingly with great force. The adjustment is good, and the opener adjusts to changes in temperature rather quicker than I expected. If I work in the greenhouse with the door open, the window will gradually close within 5-10 minutes. Good product so far.

Works well after a couple of trial adjustments.

Very pleased it works really well .it was a bit fiddly to fit but I got there being a oap.

Just what I needed. Plants will be grateful. Looks good. Easy to fit and value for money

It works very well price is very good 👍 fited well thanks

Pour ouvrir 4 lucarnes de serre en verre. Très bon fonctionnement, installation facile, utilisation depuis 1 mois

L'objet est de bonne manufacture, facile à poser (sur serre Vitavia VENUS) mais par contre je trouve que la charnière s'ouvre un peu vite malgré le réglage (par ailleurs peu précis.) Mais ça fonctionne tout de même fort bien et m'évite de devoir aller ouvrir la serre au moindre coup de chaleur. Donc c'est BON mais pas si vous êtes très rigoureux au degré près. Le souci est que lorsque le soleil tape, même si globalement il ne fait pas encore chaud, la chaleur sur la charnière fait que la charnière s'ouvre...