All Services Engineering & Architecture AutoCad Drafting $10/hr · Starting at $30 Expertise in AutoCad (all versions), Knowledge in HVAC drawings and calculations. Having 2 years work experience in HVAC designing field, such as duct design, pipe sizing, ESP calculation, Heat load calculation, Pump head calculation etc. About $10/hr · Ongoing Download Resume Expertise in AutoCad (all versions), Knowledge in HVAC drawings and calculations. Having 2 years work experience in HVAC designing field, such as duct design, pipe sizing, ESP calculation, Heat load calculation, Pump head calculation etc. Skills & Expertise DesignDraftingDrawingHVAC System Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Drawing ArtistsMicrosoft DevelopersDesignersHVAC System DesignersDraftersMicrosoft Excel ExpertsOffice AssistantsMicrosoft Office ExpertsMicrosoft Word ExpertsTypists