Hire the Best Mechanical Engineers
in Bangladesh

Mechanical engineer specializing in finite element analysis, CFD, CAD, and renewable-energy simulation. I use Abaqus, ANSYS Fluent, ANSYS Lumerical, QGIS, Grasshopper/Ladybug, AutoCAD, SolidWorks, Python, and C to turn engineering questions into clear models, results, and decisions. My experience includes: - Abaqus structural FEA for beam and stent geometries, including stress, displacement, loading, and result interpretation - ANSYS Fluent flow, species transport, and multiphase simulation - ANSYS Lumerical FDTD and CHARGE for photovoltaic and perovskite device analysis - Ladybug/Grasshopper solar radiation, shading, and environmental analysis - QGIS geospatial suitability and EV charger rollout feasibility - CAD, assemblies, technical drawings, and engineering documentation I communicate assumptions clearly, verify inputs before modeling, and deliver organized plots, files, and reports. Message me with your geometry, data, or research question and the expected output; I will confirm the best workflow before starting.

MEP Design Engineer with over a decade of experience in HVAC, Electrical and Plumbing system design. Authority accredited and successfully completed 20+ projects across North America. My commitment to excellence has earned me a Top-rated rating in a very short period. My dedication to meeting all the industry standards and optimizing client budgets and schedules has constantly earned me repeated business with satisfied clients. Take a look at the services I'm offering :- ✅ 𝗛𝗩𝗔𝗖 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗗𝗿𝗮𝗳𝘁𝗶𝗻𝗴: ➤ 48 hours turnaround for residential HVAC load calculation, equipment selection and duct sizing using ACCA approved software conforming Manual J/S/D, HERS, ASHRAE and state codes. ➤ For Residential and mixed-use HVAC design services, our deliverables include - Individual Room Heating and Cooling Loads - Equipment Selection (Heat Pump/ Furnace/ Condensing Units etc.)and Cutsheets per client’s preferred brand - 2D Layout Plan for authority permit indicating Equipment and Air Terminal Location, Duct Sizes, etc in an Arch D (36”x24”) Sheet - Kitchen, Bathroom & Laundry Ventilation - Indoor Air Quality Calculation - Schedule of HVAC Unit and Mechanical Fans - Documentation for Authority Approval (e.g. Title 24 for California) ➤ Commercial HVAC load calculation with Carrier HAP 5.1 and duct sizing using McQuay, conforming ASHRAE, NFPA, state regulation and other relevant state codes of practice. We provide detailed shop drawings as required by PE. [ I have experience designing and installing up to 700 TR HVAC systems, which allows me to design accurately considering practical on-site constraints] ✅ 𝗥𝗲𝘀𝗶𝗱𝗲𝗻𝘁𝗶𝗮𝗹 𝗣𝗹𝘂𝗺𝗯𝗶𝗻𝗴 𝗗𝗲𝘀𝗶𝗴𝗻: ➤ Fixture Layout, Water Supply Plan, Sanitary and Storm Drainage Plan, Raiser Diagram for users' maximum comfort ensuring local code. ➤ Water Supply Fixture Unit calculation per Table 6-6, Drainage Fixture Unit calculation per Table 7-5 and Grease Interceptor calculation per Table 10-3 of Uniform Plumbing Code and state regulation ➤ Pipe and Equipment Schedule ➤ Hot Water Tank Type and Size, Pipe and Insulation Size and Electricity/ Gas requirement calculation. [ I did plumbing projects with LEED platinum certification ensuring the most economical US Green Building Council Standard] ✅ 𝗥𝗲𝘀𝗶𝗱𝗲𝗻𝘁𝗶𝗮𝗹 𝗘𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗮𝗹 𝗗𝗲𝘀𝗶𝗴𝗻: ➤ Luminaries, Switches and Receptacle layout per NFPA and State Standard. ➤ Electrical Single Line Diagram and Raiser Diagram for Incoming Power. ➤ NEC Standard Electrical Load Calculation, Voltage Drop Calculation and Panel Schedule for all types of loads. ➤ Model Selection for all equipment including Load Centre, Metering Panel, Breaker Mains, Transformers and Lighting Fixture Models. ➤ Documentation for Authority Approval like Title 24 for California. ➤ Support for Sourcing and Procurement. ➤ Photometric Calculation and Lighting Simulation in 3D with DIALux. [ Experienced in small to large scale electrical projects, from 1-family dwelling unit to Airport Terminal] 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀:- ➤ Kwik Model with EnergyGauge Loads (Specialist Residential HVAC design per Manual J/S/D) ➤ AutoCAD MEP and Revit ➤ HAP-Carrier 5.1 ➤ Duct Sizer ➤ Fire-Elite (Fire Hydraulic Calcs and Pipe Sizing) ➤ Pipe Flow Expert (Liquid and Gas Networks Calcs) ➤ Bluebeam Revu ➤ CBECC by the California Energy Commission ➤ MS Office ➤ DIALux for photometric calculation and Lighting Simulation 𝗖𝗼𝗱𝗲𝘀 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:- ➤ National Fire Protection Association (NFPA): NFPA 72, NFPA 70, NFPA 13, NFPA 14, NFPA 20 ➤ Building Energy Efficiency Standards (Title 24, LEED) ➤ ACCA Manual J/S/D ➤ Home Energy Rating System (HERS) ➤ Uniform Plumbing Code 𝗥𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗮 𝗖𝗵𝗮𝘁? Contact me for a complimentary 30-minute consultation or sample plans.

What makes a good CAD designer? I believe that when highly creative & innovative thinking combines with CAD software skills that make a good CAD designer. My engineering experience combined my creative & innovative thinking with my CAD software skill. I am a Mechanical Engineer and CAD Specialist with more than 09 years of experience in this field: -3D Modeling -3D Rendering -3D printable Design -2D drawing -Isometric Drawing -Orthographic Drawing -Layout Drawing -Purified Water System Design -Water for Injection Storage and Distribution System Design -Pure Steam Distribution System Design -Pharmaceutical/Biotech Mixing & Storage Vessel Design -Oral Liquid, Suspension, and Sterile Product Mixing Plant Design -Central/Mobile CIP & SIP System Design -Piping & Instrumentation Diagram (P&ID) -Piping System Design -Pipe Sizing -Utility Sizing -Pump sizing -Pressure Loss Calculation -Heat Exchanger Selection -Component & Instrument Selection -BOQ/BOM -Execution & As-built Drawing -Control Logic for Automation -DQ, IQ, OQ Documentation -Whiteboard Animation -Project Management Software Used: -Autocad -Autocad Plant 3D -Solidworks -Keyshot -Microsoft Word, Excel, Powerpoint -Sparkol Videoscribe WHY HIRE ME? -I've many years of work experience in Design Engineering & Manufacturing Company. -My attention to detail will provide high-quality results. -My experience in handling many projects will be helpful in finding out the proper solutions for your problems. -I am committed to fulfilling my duties and giving you a high-quality output at a fair price. If there is something that I can help you with, just send me a message. Thank you!

I am a Mechanical Engineer with strong expertise in SolidWorks 3D CAD design. I specialize in creating accurate, functional 3D models, ready for manufacturing and prototyping. I can produce photorealistic rendering using Blender. If you need a detailed mechanical part, a product ready for 3D printing (STL files), or a photorealistic rendering for marketing and visualization, I can deliver professional results. What I offer: ✅ 3D CAD modeling in SolidWorks (parts, assemblies, sheet metal, surfaces) ✅ Design optimization for manufacturing & 3D printing (PLA, resin, FDM, SLS) ✅ STL file preparation ✅ Photorealistic rendering (SolidWorks Visualize, Blender) ✅ Engineering drawings, exploded views & technical documentation Why work with me: - Strong engineering background - Hands-on experience with 3D printing projects - Open to revisions until you’re 100% satisfied Let’s turn your idea into a professional 3D model ready for production or presentation.

I’m Harun, a Certified Mechanical Engineer with 8+ years of hands-on experience in HVAC systems, specializing in HVAC estimation and design for commercial, residential, and industrial projects. I provide accurate take-offs, BOQs, and equipment selections, ensuring efficiency, code compliance, and budget optimization. The services I provide: • HVAC Estimation • HVAC Load Calculations • Equipment Selection (AHU, FCU, VRF, Boilers, Chillers) • Duct and Pipe Sizing, Routing, and Material Take-offs • BOQ Preparation (Ducting, Piping, Equipment) • Costing, Quotation & Bid Submissions • Efficient project management services to ensure timely and successful completion. I am proficient with the following software: 1. AutoCAD 2021 2. Carrier HAP 6.2 3. PlanSwift 4. Bluebeam Revu 5. Trace-700 (Trane) 6. Microsoft Excel 7. SolidWorks Let’s collaborate to make your next project a success!

I am an Electrical Engineering Designer with professional experience in complete electrical design, drafting, and technical documentation for residential, commercial, industrial, EV charging, and solar PV projects. I specialize in Single Line Diagram (SLD), Electrical Layout Drawing (ELD), load calculation, panel schedule, circuit schedule, voltage drop calculation, cable sizing, breaker sizing, feeder sizing, conduit sizing, lighting layout, power layout, grounding notes, BOQ, and complete electrical drawing packages. I am also a Fiverr Level 2 Seller, I have successfully completed 450+ projects for clients worldwide with excellent response and strong client satisfaction. I work with a focus on accuracy, clean presentation, practical design solutions, clear communication, and on-time service. My core services include: 1. Single Line Diagram (SLD) 2. Electrical Layout Drawing (ELD) 3. Lighting layout and power layout 4. Load calculation and demand calculation 5. Panel schedule and circuit schedule 6. Load schedule and equipment schedule 7. Voltage drop calculation 8. Cable sizing, conduit sizing and feeder sizing 9. Breaker sizing and protection device selection 11. EV charger load calculation and electrical design 12. EV charging station panel connection and feeder design 13. Solar PV electrical design and system documentation 14. Grounding/earthing notes and electrical safety coordination 15. BOQ, material take-off, and technical documentation 16. Design revision, redline update, and as-built drawings Client satisfaction is my first priority. I believe every project deserves proper attention, accurate work, and timely delivery. I always try to understand the client’s requirements clearly, provide professional suggestions when needed, and deliver drawings that are clean, organized, and ready for project use. I prefer long-term working relationships. My goal is to become a reliable electrical design partner for my clients by providing honest communication, quality service, on-time delivery, and continuous support for future projects.