It is a 1-1/2 ton: 18000 BTU (unit size)/12,000 BTU (per ton)=1.5
No I think you will need an 18000 condenser for an 18000 BTU.
18000 BTU means TON 1.5 ,12000 BTU means 1 TON
18000 btu or 1.5 tons.
18000btu is 2 hp
Tonnage means the about something weighs or the amount of BTU’s a unit puts out. . The lennox model HS19-311U-2p is a 2.5 ton unit and has a tonnage of 2.5 BTU's.
700 to 1000
two tons.
400k btu
10 Ton/ 120,000 BTU cooling. 225,000 btu Heating
24000 BTU = 2 Ton.
2.5 or 31k btu