Gree 1.5 Ton Inverter Air Conditioner 18FITH6S Features: BTU Capacity: 18,000 BTUs. Cooling Capacity: High: 22,000 BTU/h Standard: 17,998 BTU/h Low: 3,947 BTU/h. Heating Capacity: High: 22,667 BTU/h Standard: 19,960...