Kwentahin mo lang ang total kw required for all plus x3 sa pinakamalaking wattage, tutal pwede mo naman pa andarin yan one at a time, just make sure meron ka pang x3 dun sa last aircon na matitira.
Mas maganda na over-over. Mamaya mag automatic sabay sabay yun A/C [emoji23] well at least for noninverter.