All Services Engineering & Architecture Mechanical Engineer $8/hr · Starting at $25 Design HVAC system for building, house and project. expirience of more than 5 years. Design compress air system, calculate the best air compress unit for the aplication, and air pipeline. About $8/hr · Ongoing Download Resume Design HVAC system for building, house and project. expirience of more than 5 years. Design compress air system, calculate the best air compress unit for the aplication, and air pipeline. Skills & Expertise DesignHome DesignHVAC System DesignMechanical Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Home DesignersDesignersHVAC System DesignersMechanical Engineers