HVAC DESIGNER

We are looking for an HVAC Designer with strong technical knowledge and hands-on experience in complete HVAC system design. The ideal candidate should be able to independently produce high-quality engineering drawings, calculations, and coordination details. Key Skills & Responsibilities 1. HVAC Duct Design • Designing supply, return, and fresh-air duct systems using industry standards (ASHRAE, SMACNA). • Performing duct sizing using equal friction/static regain methods. • Preparing detailed layout drawings, sections, and BOQs. 2. Heat Load Calculations • Performing accurate heat load calculations using software such as HAP, Trace 700, E20, or manual methods. • Selecting HVAC equipment based on thermal load and project requirements. • Preparing load reports and calculation sheets. 3. VRV/VRF System Design • Designing piping layouts for VRV/VRF systems. • Calculating refrigerant pipe sizes and branch selectors. • Ensuring compliance with manufacturer guidelines (Daikin, Mitsubishi, Toshiba, etc.). • Preparing system schematics, control layouts, and installation drawings. 4. Chilled Water System Design • Designing chilled water piping networks including primary/secondary systems. • Calculating pipe sizing, pump head, and flow rate. • Preparing P&ID diagrams, valve schedules, and equipment selections. • Chiller, pump, AHU/FCU selection and integration. 5. General HVAC System Knowledge • Familiarity with mechanical codes and standards. • Ability to coordinate with architectural, electrical, and plumbing teams. • Knowledge of ventilation, exhaust systems, staircase pressurization, and smoke management. • Good command of CAD tools (AutoCAD, Revit MEP, etc.).