what is the maximum loading for 3 phase?

my house has three phase and existing:-

1) central solar water heater with pump

2) 7 a/c points

can I add another 4 a/c points?

At max I think only 4-5 a/c will be on at the same time. Just for sake of discussion we can assume each a/c to be 2HP.

This post has been edited by kutitata: Oct 2 2016, 08:51 AM