Result
You will need
0 BTU

Cosy R410A
18000 BTU

Capacity Cooling: 18000 Btu/h
Capacity Heating: 19960 Btu/h
EER/C.O.P: 3.35/3.61 W/W
Power Supply Ph,V, Hz: 1Ph, 220~240V, 50Hz
Power Input Cooling: 1900 W
Power Input Heating: 1800 W
Rated Current Cooling: : 9.6 A
Rated Current Heating: : 10.5 A