Magic-pak tune up. Checked thermostat and verified operation, inspected heat exchanger, checked inducer, blower, compressor, and condenser fan motor amperage, cleared drain line, cleaned flame sensor and sparking rods, checked air filter, checked temperature rise and drop, checked all wire and electrical connections, checked gas pressure, checked capacitors, checked contactor, verified refrigerant levels, cleaned condenser coil and unit. System is both cooling and heating well!