We arrived on site to install 2 new inverter systems and relocate other 2 outdoor units. We recovered the refrigerant from all systems we cut them all out leveled off and dug out the area to set new condensers to code. Within piped in all the units we pressure tested all four systems and we evacuated all four systems below 500 microns. We then charge all systems to factory standards 2 with 410A and two with r 454b. We ran electrical whips and thermostat wires to all systems. All outdoor units are operational.