I am a professional HVAC Design Engineer and part-time freelancer with an experience of almost 3 years. Please contact me before placing any order I will always be at your service. • Heat Load Calculation by manually and using HAP software following ASHRAE Standards. • Duct design by manually and using duct design software. • Air Distribution System by Velocity Reduction Method, Equal Friction Method and Static Regain Method following SMACNA Standards. • Chilled water piping design as per ASHRAE standard. • ESP Calculations for Fans & Blowers. • Evaporator cooling coil selection. • Ventilation design as per ASHRAE 62.1, 62.2 standards. • Stairwell pressurization system Designing. • Car Parking ventilation and fresh air system Designing. • Kitchen ventilation and fresh air system Designing. • Head Loss calculation for Primary & Secondary Pump system. • Chilled water pumps, condenser water Pumps Selection and power calculation. • Selection of Chillers, AHU’S, FCU’S, Exhaust Fan, Blower, Window AC, Cooling Tower, Desert Cooler and other Equipment’s. • VRV Machine placement, duct sizing, pipe design and routing. • Selection of VRV Indoor and Outdoor units with respect to diversity factor 120%. • Project Planning of various Hotels, Shopping Malls and Hospitals by using VRV system. • Tender drawing Preparation. • Mechanical Quantity Survey and Bill of Quantity (BOQ) preparation. HVAC Draughtsman (Auto Cad) Job Responsibilities: • Preparation of Design & Shop Drawings. • Drafting of Duct Layouts for AHU, FCU, and Package Units. • Drafting of Roof Plan for HVAC Equipment. • Drafting of chilled water Piping Riser Diagram. • Detailed drafting of all HVAC details. • Drafting of HVAC Schematics for central air systems and chilled water systems. • Drafting of Refrigerant Piping, chilled water piping design. • Drafting of VRV & VRF systems. • Drafting of Pipe sizing and Riser diagram of VRV and VRF System.