Growing Cool Masdevallia and Draculas

[TexasTim]

I have been reading as much as I can get my hands on lately on this forum on the above topic, and I have arrived at a preliminary conclusion that I would need a greenhouse to grow these orchids.

For me, that is a show stopper!

I currently grow using a humidifier and T5 four tube lights. I would like to get information on possibilities for ways to keep these cool growing species without breaking the bank. Plans for building a cool growing system are floating in my head as a possibility.

Any help?