All Services Engineering & Architecture HVAC Desigining and Drafting $20/hr · Starting at $100 I am Mohammed Zubair HVAC Engineer. I have extensive experience in HVAC system. In my job i do complete designing from heat load calculation to duct designing. About $20/hr · Ongoing Download Resume I am Mohammed Zubair HVAC Engineer. I have extensive experience in HVAC system. In my job i do complete designing from heat load calculation to duct designing. Skills & Expertise DraftingEngineeringHVAC System DesignSystems Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts HVAC System DesignersEngineersDrafters