I inspected furnace and ac system to include: R-410 TXV -All electrical wiring, motors, and components -All safeties ok -drain is clear -evap coils are clean -condenser coils are clean -Refrigerant charge is good Iddb 72 Oddb 78 Three yo gas furnace had flexible gas line ran into furnace cabinet. I replaced with hard pipe. System is in good working order.