Product Information LHA Heat Pump: UP to 20 Ton 7.5, 10, 15, & 20 Nominal Tons 2-Stage Heating / 2-Stage Cooling Factory or Field-Installed Electric Heat Up to 11.00 EER Cooling Efficiency Multiple Refrigeration Circuits Integrated Modular Control with On-Board Diagnostics Easy Service Through Hinged, Toolless Entry Access Panels Complete Line of Factory or Field-Installed Accessories