All Services Other HVAC ENGINEERING, VRF, DUCTABLE $10/hr · Starting at $30 HVAC RELATED ALL WORKS, DESIGN, BOQ, HEAT LOAD CALCULATION, VRF PIPING LAYOUT, PREPARATION OF DUCT LAYOUT. About $10/hr · Ongoing Download Resume HVAC RELATED ALL WORKS, DESIGN, BOQ, HEAT LOAD CALCULATION, VRF PIPING LAYOUT, PREPARATION OF DUCT LAYOUT. Skills & Expertise DesignEngineeringHVAC System DesignLayout DesignProcess Piping Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts DesignersHVAC System DesignersEngineersLayout DesignersProcess Piping Designers