The Ducane 1.5T OMNI Heat Pump is an effective, energy efficient system, built to last with a full metal cabinet. The cabinet is built with a removable panel, making it easy for the heat pump to be cleaned or serviced. This heat pump features a high-efficiency scroll compressor and is compatible with R410A refrigerant, the industry standard. This unit also comes with factory installed high and low pressure switches, as well as a factory installed filter dryer.