Based on the #`s you provided it looks like a 3.5 ton built in 2003. No idea who makes it.
WHAT IS TONNAGE OF THIS
What is the day and night air conditioner model number 561aj036-a tonnage?
The tonnage for a Heil air conditioner model # ACS030a2c1 is 2.5 tons. The 30 in the model number indicates that the air conditioner is 30K BTU's which makes it 2.5 tons.
Four
17*17
3.5 TON
ssz140601ad
4 TON....
3.5
3
H2CB048S06a
3