Urgent Residential HVAC Drafting

My residential build has fallen behind schedule and the mechanical set still isn’t presentation-ready. I already sketched every register, return, and equipment location by hand; what I need now is a clean, professional HVAC drawing package that can be issued to the builder without further mark-ups... (Budget: $1500 - $3000 AUD, Jobs: 2D Drafting, AutoCAD, Building Architecture, Building Design, CAD/CAM, Drafting, HVAC, Mechanical Design)