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Automatic greenhouse window opener

JacksGardenJacksGarden Posts: 36
in Problem solving
I'm having the trouble that it's too cold to open the greenhouse up in the morning, but by the time I'm home for lunch and it's warmed up a bit outside it's positively baking in the greenhouse at 40°C! As you can imagine the plants aren't impressed and I've moved a lot inside. 

I fancy getting one of those auto openers and wondered if anyone can recommend any in particular? 

It's an unheated greenhouse with no power. 

I had a quick search and the last thread on the subject (assuming I'm search right) was in 2019. 


Gardener of a driveway pot garden - flowers one side, veg the other and a car in the middle. I am so looking forward to the day we can move into a house with a bigger garden.
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Posts

  • fidgetbonesfidgetbones Posts: 17,618
    I have Bayliss autovents. They must be 15 years old now and still work OK.



  • AnniDAnniD Posts: 12,585
    Mine is Bayliss as well. Several years old but still going strong. 
    https://www.twowests.co.uk/collections/automatic-window-openers
  • wild edgeswild edges Posts: 10,497
    You could always put up a shade cloth as well which will help keep the temps down.
    If you can keep your head, while those around you are losing theirs, you may not have grasped the seriousness of the situation.
  • ShepsSheps Posts: 2,236
    Bayliss for me too, pretty bombproof and very affordable.
  • DaveGreigDaveGreig Posts: 189
    Automatic vent openers are a godsend aren’t they? I wouldn’t be without mine which was the cheapest one I could find on Amazon and is in its 6th year.
  • Butterfly66Butterfly66 Posts: 970
    We have automated vents and they are wonderful. Still going strong 7 years on.
     If you have a garden and a library, you have everything you need.”—Marcus Tullius Cicero
    East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
  • Pete.8Pete.8 Posts: 11,340
    Another vote for Bayliss- My Rhino Premium g/house came with the Bayliss autovents as standard.
    They work well

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • bédébédé Posts: 3,095
    I have two roof vents (12x8 ft) one automatic, and a louvre on a vertical.  

    If your greenhouse is too cold in the morning, it was obviously too cold overnight.  Just open up the greehouse during the day.  Door as well if the forecast is warm.  

    March is a tricky time.  I have just put my shade on, it was going up to 30ºC with everything open..  Shade helps to keep frost out at night.  Later in the season. an inside and an outside vine bring shade and the shdes come off.

    My shade is constructed of shade fabric pinned to rectangular wooden frames.
     location: Surrey Hills, England, ex-woodland acidic sand.
    "Have nothing in your garden that you don't know to be useful, or believe to be beautiful."
  • JacksGardenJacksGarden Posts: 36
    Just ordered one from Bayliss. Thanks for the recommendations. I'll let you know how I get on with it. ☺️
    Gardener of a driveway pot garden - flowers one side, veg the other and a car in the middle. I am so looking forward to the day we can move into a house with a bigger garden.
  • StephenSouthwestStephenSouthwest Posts: 635
    AnniD said:
    ZMine is Bayliss as well. Several years old but still going strong. 
    https://www.twowests.co.uk/collections/automatic-window-openers

    I'm trying to work out which ones to get - the XL is cheaper - is there a good reason not to get that one? Thank you, Stephen
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