Installation includse removal of existing equipment, old equipment hauled away and recycled, new 4 ton X series inverter heatpump condenser, new 4 ton 96% 2-stage variable speed upflow furnace, new 4 ton cased coil with txv metering device, condenser to side of home, cap gas to run as heat pump only, new condenser pad with earthquake straps, new 240volt electrical disconnect and wire whip, fuses to match manufacturing specs, double walled exhaust venting to proper connections, furnace stands with isolation pads, new Nest Learning thermostat, RX-11 flush refrigerant line set to make suitable for new refrigerant, re seal and insulate exposed refrigerant piping, refrigerant locking service caps, new refrigerant filter dryer, re plumb primary condensation drain line to proper connections with trap and tee, secondary condensation safety switch, adapt to existing supply plenum, return plenum modifications, re sealed and insulated, nitrogen pressure test refrigerant system, triple evacuation