I had a window AC unit in my old snakeroom and it had a built in thermostat on it, although it never turned the fan off the AC part would turn off and when it got to warm in the room the AC would turn back on. Just set it to the room temp you prefer. I keep my snakeroom about 78-80 degrees depending on the time of year. The unit only cost aroung $150 and I loved it! I think you may be getting a little to sophisticated with a Ranco and then connecting it to a AC unit that will cost as much as a unit with a built in thermostat! Just my two cents good luck!!!

Al Brown/Brown's Boas

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