MTC Split Air Conditioner 18000 BTU Cool Key Technical Specifications (Model MTC18CUT25INV) Cooling Capacity: 18000 BTU actual cooling (equivalent to 1.5 tons). Compressor Type: High-efficiency "Highly" rotary compressor. Operating Mode: Available in "Cool Only" or "Hot & Cool" models. Inverter Technology: Works to significantly save electricity consumption with quiet and stable performance. Golden Fins: Condensers and evaporators coated with a golden layer resistant to rust and corrosion, extending the device's lifespan. Air Distribution: Four-way air distribution to ensure cool air reaches all corners.