It s more efficient to run a smaller unit continuously. Again, it s extremely difficult for HVAC engineers because there is little history on cooling Monolithic Domes. So, their necks are on the line. They are extremely worried about under-designing and upsetting the client. On the other hand, when they over-design they cost the client enormous amounts of money for initial installation, as well as ongoing energy and maintenance.
Experience has to be the teacher.
Experience on these large, occupied Monolithic Domes shows that one ton of cooling per 1000 square feet of space is a good rule of thumb.