Karl said:The simple answer is no, you can't run both at the same time with a 4kW genset.
The AC, in cooling mode, does not, as it's job, generate heat (actually it does, but tha't s not what you are paying it electricity to do)
GENERATING heat, (A job that, by the way, is always 100% efficent)
I think you slipped a digit there. Shouldn't your formula read:
13,500 X 2.9 /10,000 = 3.95 or 7.9 Kw for 2 units?
Karl said:Very true. Anyone know how to do powers of ten on an abacus??