Heating maintenance in Dacula. Tested operation of one system. Discovered systems blower wheel dirty and unbalanced, blower motor controller weak, blower housing not flush causing loss of airflow through coil, ducts are dirty, coil is rusted and likely to leak, no for of water safety to help prevent flooding in the case of common drain line clogs, flue piping has holes in it leaking carbon monoxide, sit build up in pipe and around combustion motor is signs of improper combustion, outdoor unit has weak secondary controller, pitted main electrical switch, high voltage lines are exposed at disconnect, systems needs compressor saver to reduce stress on aged compressor. Furnace is 22 years old and ac is 16 years old. Expected lifespan of a system is 10-15 year. Due to high repair cost and age of equipment, replacement is HIGHLY recommended. Homeowner interested in Premiere Program for replacement and will be in contact