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Thread: window opener

  1. #1

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    I know it's winter and what I ask is for summer but......
    Has anyone experience with automatic window opener for his greenhouse?
    is it good and worth the cost? (about 50$)
    Arie



    Arie Cohen

    Israel Carnivorous Plants Society Chairman
    http://www.thecarnivorousplants.com

  2. #2
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Hi Arie, are you talking about the ones that have a chemical in them and this expands that extends (opnes) or contracts (closes) the vent from the piston? If so, I think they are good. My old Agriculture teacher has a greenhouse with these in it and they seem to work fine, of course I've only been to his a few times so I do not know if hes ever had to replace the chemical element, piston, etc. Seems like a good investment for automatic convection venting if you were to have a vent near the ghouse base and a vent up high to open with these devices, so you would get convection cooling.

  3. #3

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    Thanks
    I think I got the answer I was looking for.
    Arie
    Arie Cohen

    Israel Carnivorous Plants Society Chairman
    http://www.thecarnivorousplants.com

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