for me the heating/cooling was difficult. Got an evap AC (works here as we're semi arid) & electric heaters. Found a misting fan that works quite well to keep huminity up.
What kind of misting fan did you find and where if you don't mind me asking?
Mistking
Looking for a misting system? Look no further. Automated misting systems from MistKing are used by multitude of plant enthusiasts and are perfect for Orchids. Systems feature run dry pumps, ZipDrip valve, adjustable black nozzles, per second control! Automatically mist one growing shelf or a greenhouse full of Orchids.