On Apr 12, 6:34�pm, stryped wrote:
I have a 30x30 metal building. I have no windows. What would be the
best and cheapest way to air condition it? I thought about a window
unit but I have no windows and not sure if cutting the corregated
metal would work right.

If the building has no insulation you would be wasting your time. Just
leave the door open.