Air conditioning capacity gets quoted in at least five units depending on the market and the document. These convert between all of them. Note that cooling capacity is not electrical consumption — a unit delivering 12,000 BTU of cooling draws far less than 3.5 kW of power, because the efficiency rating (SEER2 or ISEER) sits between the two.
5,000 BTU 6,000 BTU 8,000 BTU 9,000 BTU 10,000 BTU 12,000 BTU 14,000 BTU 15,000 BTU 18,000 BTU 24,000 BTU 30,000 BTU 36,000 BTU 42,000 BTU 48,000 BTU 60,000 BTU
0.75 ton 1.5 ton 1 ton 2.5 ton 2 ton 3.5 ton 3 ton 4 ton 5 ton
One refrigeration ton equals 12,000 BTU per hour, or 3.517 kW of thermal capacity. The figure comes from the heat needed to melt one short ton of ice in 24 hours.
Yes. Multiply tons by 12,000 to get BTU per hour, so 1.5 tons is 18,000 BTU/hr.
No. Capacity in kW is heat removed, not power drawn. A unit delivering 3.5 kW of cooling typically draws under 1.1 kW from the wall, because the efficiency rating sits between the two figures.