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by CalRobert 3413 days ago
A moment's thought leads me to think you could use something like this: (temp-controlled plug bar, basically) http://www.homebrewtalk.com/showthread.php?t=536763 Attached to a motor /servo (depending on your window) that will turn on or off at a given temperature. Have a switch on the window which cuts off/enables the power when the window is open or closed at the desired max/min.