its not insane to want to cool off your birds, but an air conditioner or a/c is not the way to go about it if you live in AZ, the best way to cool off your open air coop is to use An evaporative cooler, thats what i use and its on all day long so my hens can lay their eggs in peace with out dying from the heat, they lay more eggs that way, its on all day long until the temps drop at night , the evaporative cooler is also know as a swamp cooler, its a device that lowers air temperature , with the use of running water through cooler pads, and a fan that blows air through the cold wet pads , Unlike an air conditioning systems, which works to remove humidity from the area & wont work very well at all in a open air coop because they are made to remove humidity in a sealed room in states heavy with humility like fla. in AZ evaporative coolers use the natural ability to lower air temperature. plus running one of them is much cheaper then running a air conditioner, most evaporative coolers use this technique to make indoor and outdoor spaces more comfortable, this is the cooling i use for my hens in their open air coop they love it and spend most days in the cool air,