Ecostar AC 1.5 Ton Split Inverter ES-18EM01WS SA+Brand: Ecostar Model: ES 18EM01WS SA+ Capacity in Tons: 1. 5 Ton Type: Split AC Inverter BTUs Capacity: 18000 BTU Rated Cooling Capacity (H S L) BTU H: 20132 18084 4436 Rated Heating Capacity (H S L) BTU H: 20473 19108 4436 Rated Power Consumption Cooling (H S L) W: 2100 1580 290 Rated Power Consumption Heating (H S L) W: 1800 1550 250 Real 4 Star Product: Yes R32 Refrigerant: Global Warming Potential (GWP) is One Third of R410A R32 is More Efficient