You have quite the challenge there,
@daisyl. I could not possibly grow my tropicals inside greenhouses during the spring and summer months. It is a pain in the bu** moving approximately 1000 plants outside in the spring and then back inside in the fall, but I have no choice. The temperature inside my greenhouses easy reaches 115F during sunny, summer days, when the outside temperature is in the low to mid-90's. It will be over 120F when the outside temperature in above that. That's with four fans running, all vents and doors wide open, and 80% shade cloth!
It still remains unknown whether I will have to put up shade cloth over the new solarium. The space is climate controlled with AC, but I might have to "aid" the AC with shading. I hope I do not. I love seeing the sky above and putting a shade cloth that size (15'x32') will be somewhat of a chore. Time will tell. We have only gotten up to 87F so far this year and the solarium was comfortable. I haven't even run the AC yet, just some fans.