Removed old equipment for upstairs and installed new Rheem 3 ton evaporator coil, 2.5 ton a/c and 80% gas furnace. Installed new return plenum with 16x25x4 filter, new emergency drain pan, new pan safety switch, new coil safety switch, 2 new 8” returns with boots and grilles, and new composite pad for outdoor unit. Reconnected high voltage, low voltage, drain line, gas line, vent pipe, supply plenum and existing return duct. Tested system operations in heating and cooling. set refrigerant charge.