Performed a 2 system spring maintenance ( gas). Tasks performed. 1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor,,noticed both units don’t have any surge protection,, recommended to install them . 6. Checked refrigerant pressures. 7. Checked compressor amp draw. 8. Checked condenser fan motor amp draw. 9. Inspected / replaced return filter. 10. Inspected return plenum for debris/ dirty. 11. Inspected evaporator coil. 12. Inspected blower motor/ blower wheel. 13. Checked blower amp draw. 14. Measured temperature differential . 15. Inspected drain lines,,,both units are draining underneath the sink on the upstairs bathroom,,, found it extremely clogged up, line was cleared/ treated and tested today. 16. Washed condenser unit. Found no more issues, units are working properly at this time.