I grow in a fridge and there seem to be many mini sympodial orchids that require cool nights, but few to no monopodial cool growing orchids that are also miniature.
Night temperatures are 50-55 F. It's set at 50 to power off, temperature rises to 55 then it cools to 50 again. Depending on the thermometer and where I place the temp probe, it could get down to 46!
My day temperatures are in the high 70's to low 80's.
My photoperiod is 14 hours, and I would call it high light.
Lots of air movement. I have 2 80mm fans blowing above and across the orchids and one 120 mm fan blowing up through the orchids from underneath, angled at a degree so that it hits the glass door and travels up in an updraft.
I use a co2 controller with a photocell and co2 is set to 1,500 ppm during the day.
Not sure why it up,loaded my picture sideways