How do I know if the coils in my Trane or American Standard AC need replacing?

[VanGia]

If your Trane or American Standard cooling unit isn't performing as expected, coil replacement might be necessary. Common signs include reduced cooling, inefficient operation, or visible coil damage. Refer to your unit's documentation or a guide like the Trane 18-AH76D1-1A-EN Replacement Coils Installation Guide for specific guidance. Always prioritize safety. Coil replacement should be handled by a qualified HVAC technician experienced with Trane and American Standard units. Before replacement, inspect the unit for any shipping damage and verify all components are present. Report any missing or damaged parts to your supplier. It's also recommended to replace the filter drier when replacing the coil for optimal performance. When installing, follow the instructions provided, including any necessary adjustments. Ensure all safety measures are in place, such as disconnecting power and following proper lockout/tagout procedures to prevent accidents during installation.