A 16" round flex duct will accommodate up to a 3.5 ton unit
3 TON
LRC for 3 ton AC is approximately 5 double the running current (75 A )
Rule of thumb is 500sf per ton. 1500sf = 3 ton
for a safe play................. go for 3 mm dia cu wire.
3 ton
3-Ton
3 and a half ton
3 1/2 ton
4
48 -> 48000 BTU -> 3 ton
A 3 ton is ideal more for a house that's 1200 sq. ft, I would recommend a 2.5 ton