Mini Ductless Split Air Conditioner 36000 BTU. 36000 BTU Tri Zone Energy Star Mini Split AC. 23 SEER Efficiency w/ Heat Pump Technology. With a 36000 BTU total Cool / Heat Capacity, the Thermocore T323D-H236-9+9+18 Energy Star mini split air conditioner can cool or heat 3 separate zones of 9000,Read More