Replace

If replacing an old unit, the technician safely recovers the old refrigerant and removes the existing indoor and outdoor components.

This stage may involve modifying ductwork, installing new mounting brackets, or upgrading electrical circuits to support the new unit's power requirements.

The new units are positioned, and the refrigerant lines are brazed together to create a sealed loop.

The new units are positioned, and the refrigerant lines are brazed together to create a sealed loop.

The system is started up, and the technician verifies the temperature drop across the coils and checks for any leaks or unusual vibrations.