4-way convertible line ensuring flexibility Durable all-aluminum coil Silent operation Vortica™ blower motor ensures energy efficiency & low carbon emission Comfort-R technology to increase efficiency ComfortLink™ II or 24V Connections to increase overall efficiency & easy control Less than 2% air leak No-rust polymer drain pan & galvanized cabinet to protect the unit SEET™ tested (Systems Extreme Environmental Test) for performance guarantee |