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Residential Preventive Maintenance Detail With residential heating and cooling applications, City Cooling & Heating always starts with a system safety evaluation. This covers carbon monoxide detectors, air quality, air filtration and humidification, condition of machinery, and gas and/or oil delivery and inspection. We believe preventive maintenance is the best way to maximize the efficiency and life span of all mechanical equipment. Listed below are the services provided on a typical residential PM. | |
25-Point Precision Tune-up Services for Cooling & Heating 1. Check thermostat operation 2. Clean or replace air filter 3. Inspect fused disconnect 4. Test and tighten all wiring connections 5. Safety test all controls for proper operation 6. Test capacitors 7. Inspect blower and motor 8. Adjust or replace belt if applicable 9. Inspect/lubricate bearing 10. Inspect/clean drain pan to protect overflow 11. Clean drain line 12. Inspect/clean indoor coil 13. Inspect/clean outdoor coil 14. Check voltage and amperage 15. Inspect and test all motors 16. Visual inspection for refrigerant leaks 17. Install gauges/measure refrigerant pressures 18. Measure refrigerant super heat and sub cooling to maximize efficiency 19. Measure temperature across the system 20. Test for presence of CO 21. Inspect heat exchanger and clean burner 22. Inspect unit insulation 23. Check for adequate combustion air 24. Replace oil filter and nozzle 25. Check defrost cycle | ![]() | |
Need mechanical advice, or have a tech question? Email us!! mark@citycoolingandheating.com
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