Ordered Daikin system for Installation, applied for permit and scheduled installation. Upon arrival at customers home removed original system. Installed new air handler, filter rack, heater, float switch, thermostat, condenser pad and condenser. Transitioned new air handler to existing supply duct. Nitrogen purged lines during soldering process. Pressure tested lines. Pressures held. Evacuated system. Wired up system and thermostat. Started and checked operation. Delivered permit.