Viewing post #2840760 by Lucy68

You are viewing a single post made by Lucy68 in the thread called Greenhouse Cooling: need some help.

Lucy68

Nov 26, 2022 12:33 AM CST

California Central Valley (Zone 8b)

Have you looked at auto vents like Bayliss? They are very clever. There is a tube of some kind of wax that expands and contracts with temperature. That pushes a piston that opens and shuts the vent.

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