Tested and checked all components -No air filters replaced -No gas leaks -47 degrees temperature rise -Tightened all low and high voltage wiring -Performed safety inspection on Heat Exchanger; No areas of concern at this time, has thermal stress but is safe to operate. -Evaporator Coil inspected for restricted air, light dust build up -Indoor Blower motor Amps 6.76A out of 8.1A Max -*Blower Capacitor out of specs at 17 out of 20uf* -Cleared Inducer port -Cleaned Ignition assembly -Hot Surface Igniter okay -*Primary circuit Board developing burn marks* -Inducer Assembly amp draw 1.14A out of 1.2A Max **Single stage HVAC on a Zoned air system, problematic** HVAC operational at this time. Call Complete. Recommendations Start Thinking of HVAC replacement.