Tested and checked all components -No filters Replaced -No gas leaks -38 degrees temperature rise -Tightened all low and high voltage wiring **Performed safety inspection on Heat Exchanger; Heat Exchanger is failed, excessive rust and crack developing at the bottom left face plate.** -Indoor Blower motor Amps 8.71 -Cleared Inducer port -Cleaned Ignition assembly -Hot Surface Igniter started to develop Heat stress (White marks), keep an eye on it. -Primary circuit Board okay at this time -Inducer Assembly amp draw .44 AC system -System has issues. Not operating properly at this time. Compressor not cycling on, found a few issues -50uf capacitor is failed. -2 stage board has heat stress & a crack above resistor. Cannot check refrigerant or Amps at this time. HVAC not completely operational. Went over options with homeowner Will get back to us soon