Nice! Warm and cold rooms - why? I'd figure you would want scope and its housing at ambient all the time, maybe with a dew-heater on the business end
We call the warm room where one sits and the cold room where the telescopes are. If you look carefully you can see a 2 water shaped roof. That one I move to the left over the warm room and open where the telescopes are and that is what we call the cold room
That Observatory is located in central Mexico, city of San Luis Potosi in the state of San Luis Potosi, where the climate os semi desert like and I have never needed the dew heaters. Also maybe due to the fact of the 4 walls around the scopes.
