Removed old equipment and all duct work. Installed new rheem 2 stage 3 ton full heat pump system. Installed new supply plenum, new return plenum with 16x20x4 filter, new emergency drain pan, new pan safety switch, new coil safety switch, new drain line, new lineset, new line hide for longest and drain line. Installed all new ductwork, installed new 10” return duct. Replaced supply vents with high velocity vents. Reconnected high voltage and low voltage wires. Tested system operations in heating and cooling, set proper charge. Will need 6 more 10x6 high velocity grilles.