Arrived on site to perform single system real estate inspection. Inspected, tested and operated all modes, zones, motors, capacitors, and refrigerant level. Found no issue with the system or ducting at this time. A/C evaporator coil Lennox, 2017 Mod#c35-36a-2f-1 Ser# 6017h06243 R410 Piston system 20* delta t Attic Furnace Lennox, 2017 Mod# ML180uh070p36a Ser# 1717g18615 Natural gas Attic Condenser Lennox, 2017 Mod#14acxs030-230a22 Ser# 1917j28058 R410 Left side of the residence Service rendered is to be paid by the buyer. Office will need to collect.