All Services Engineering & Architecture HVAC Design and drafting $10/hr · Starting at $100 Design and drafting of HVAC system - Heat load calculation - Duct design - Chiller pipping - Design and drafting About $10/hr · Ongoing Download Resume Design and drafting of HVAC system - Heat load calculation - Duct design - Chiller pipping - Design and drafting Skills & Expertise CalculationsComputer EngineerDesignDraftingHVAC System Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts DraftersDesignersComputer EngineersHVAC System Designers