2 tons
It's 2
3 1/2 ton
2 Ton
5 ton 10 seers
2 ton
3.5
3 tons. The 36 stands for 36,000 Btu's. 1 ton = 12,000 btu's
The model # indicates unit characteristics including capacity not the serial#. The serial # generally tells where , when , by whom and what components were used when it was made.
3.5 Tons
5 Tons
48 -> 48000 BTU -> 3 ton