Performed cooling maintenance, checked air filter ok. Cleaned condensate drain. Checked voltage, amperage and electrical connections, measured capacitor values ok. Started air conditioner, checked refrigerant charge and temperature drop across coil.
Performed gas heat tune up check electrical low and high ok check and clean sensor ok gas pressure ok replace air filter check split supply and return supply is 125 rerun is 67 noticed blower would cycle on high limit did noticed ductwork is kind of small informed customer about situation blower cap blower is set to high speed already performed combustion test ok cycle furnace ok