All Services Engineering & Architecture Commercial HVAC Sizing & Design $100/hr · Starting at $450 Includes: Manual N (Heat load Calculation) Duct Calculations Duct Layout showing Supply and return grilles & registers About $100/hr · Ongoing Download Resume Includes: Manual N (Heat load Calculation) Duct Calculations Duct Layout showing Supply and return grilles & registers Skills & Expertise DesignHVAC System Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts HVAC System DesignersDraftersFreelance WritersDesigners