Disconnected the existing air conditioning unit from the residence to allow for homeowner removal. Verified the condenser contained 0 PSI and no refrigerant. Cut and crimped the copper line sets to properly seal the system, disconnected the electrical whip, and left the electrical disconnect in place on the house. De-energized the circuit by shutting off the breaker supplying the outdoor disconnect, and disconnected and secured the thermostat control wires with wire nuts.