The Resideo TB7100A1000 thermostat is designed to provide precise temperature control in a variety of HVAC systems. It is compatible with traditional systems, heat pumps, fan coils, and PTAC units. This programmable thermostat has a clear LCD display that allows users to simply set temperatures and monitor system status. https://www.partshnc.com/tb7100a1000-resideo-1ht1clconv2ht1clhtpmpfancoil