1000ft floor, maybe 250 kitchen. I have an 8000 ac in the kitchen window plus **** leaker in living roon. That is an unknown central (unit outside). I hang out in my kitchen. Outside is 90. In is 68 with ac full on. Can i oversize kitchen with a 12? Pros/cons? 120 outlet and i cannot afford a fix on the wall in the lroom. Looking an LG 12000 for 350 from wally.