Arrived on site per customer request to perform annual heating inspections on the furnace and heat pump. The heat pump is an American Standard Gold Series and is approximately 6 years old. Gave the unit a call for heat from the thermostat. The unit kicked right on. Compressor was pulling 6.91 A. Outdoor fan motor was pulling .5 A. The outdoor unit is clean and free of debris. Took a temperature reading from a supply register and got a reading of 89 degrees with a return of 71 degrees. The furnace is an American Standard 95% nat gas. Switched thermostat to emergency heating mode. The furnace kicked right on. Inlet gas pressure was 8.06 W. C. Inducer was pulling .16 A. Flame sensor was reading 2.1 micro amps. Blower motor was pulling 2.02 A. Took another temperature reading and got a reading of 111.8 degrees. Tested for carbon monoxide inside the home and got 0ppm. Tested for gas leaks around gas piping and found no traces of gas. The filter is a 16x25x4 located above the furnace. Rep