Ongoing Residential HVAC Design Support

I need a mechanically minded partner who can step in every week to prepare complete HVAC design packages for single-family and multi-family homes. Each assignment will be billed hourly; this is steady, week-to-week work rather than a one-off project... (Budget: $8 - $15 USD, Jobs: AutoCAD, Building Architecture, Building Design, CAD/CAM, Drafting, HVAC, Mechanical Engineering, Project Management)