i've got 15Boards running ~32Cards....
2 AC's:
1 32k BTU and 1 Mobile 8000BTU... those barely keep the temp in the mid 70...
I`m looking for a good cooling solution
It sounds like you need a better location. I have 18 cards and with the power of mother nature they stay between 50-101*F depending on the time of year. I do bring a box fan out in the summer though.