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It is a 2 1/2 ton. There are 12,000 BTU per ton of cooling. The 30 in the model tells you the tonnage. which is 30,000 BTU.
4 Ton
1.5TON.
3.5
3.5 tons
That is a 4 ton unit
2.5
hvac unit
2.5 Tons
3 ton
It's 2
4 ton