Rheem manufactures gas furnaces, central air conditioners, heat pumps, air handlers, cooling coils, and Floating Air ductless mini-splits. Its residential equipment includes Endeavor, Classic, Classic Plus, and Prestige models with options for single-stage, two-stage, modulating, and high-efficiency operation. Select Rheem systems use the EcoNet Smart Thermostat to coordinate compatible heating and cooling equipment, monitor system operation, and manage temperature settings from one control. Lancaster Brothers services Rheem equipment experiencing ignition problems, refrigerant issues, weak airflow, uneven temperatures, and complete system failure.