How do I know what Ton my heat pump is?
Multiplies the rating of kilowatts of 3.414.45, the number of BTU in a kilowatt. Divides the result of 12,000, the number of BTU in a ton. For example, a 5kw heat pump has 17.072 BTU. The division of BTU of 12,000 produces 1.42 t.