MOHSEN R.

Reliable online HVAC & MEP freelancer highly responsive, client-focused, and committed to clear communication throughout every project. Senior HVAC & MEP Engineer | 19+ Years of Design & Construction Experience I help architects, engineering consultants, contractors, and building owners design HVAC and MEP systems that are technically sound, energy-efficient, code-aligned, and practical to build. With 19+ years of experience in mechanical engineering, I bring together engineering design, construction knowledge, and project management to deliver reliable building services solutions. My experience spans hospitals, healthcare facilities, hotels, commercial buildings, residential developments, and industrial projects — from initial design and calculations through construction coordination, commissioning, and handover. HVAC & MEP Engineering Expertise * HVAC System Design: Chilled water systems, VRF/VRV, DX systems, heating, cooling, mechanical ventilation, heat recovery, and radiant underfloor heating systems. * Heating & Cooling Load Calculations: Carrier HAP, ACCA Manual J, airflow analysis, thermal load assessment, and energy-efficient system design. * HVAC Equipment Selection: ACCA Manual S, Daikin Express, HVAC equipment sizing, system selection, and technical equipment schedules. * Ductwork & Piping Design: ACCA Manual D, duct sizing, pipe sizing, airflow distribution, hydraulic calculations, and system layouts. * Mechanical Building Services: Plumbing, water supply, drainage, firefighting, medical gases, and associated utilities. * Engineering Documentation: AutoCAD drawings, ductwork and piping layouts, riser diagrams, equipment schedules, BOQs, and technical reports. * Design Review & Coordination: MEP coordination, constructability reviews, troubleshooting, and value engineering. * Specialized Facilities: Hospitals, operating theatres, isolation rooms, healthcare facilities, medical and research laboratories, Central Sterile Services Departments (CSSD), industrial and hospital laundries, commercial kitchens, and industrial environments. Engineering Experience That Goes Beyond Drawings My background combines design consultancy with hands-on construction and project management experience. I understand how engineering decisions affect installation, coordination, maintenance, and long-term system performance. Professional Highlights: * Founder of Nilgoon Consulting Engineers, with experience delivering 540+ MEP projects. * Experience supporting specialized healthcare and airborne isolation room projects. * Speaker at the National Congress on Hospital Construction & Healthcare Management (2019). * Experience working with applicable ASHRAE, CIBSE, HTM, NFPA, and international engineering requirements. How I Can Support Your Project Whether you need a complete HVAC design package, heating and cooling load calculations, residential HVAC design using ACCA Manual J/S/D, radiant floor heating design, mechanical drawings, a technical design review, or support resolving a challenging MEP issue, I can provide practical engineering solutions tailored to your project requirements. I focus on clear communication, coordinated deliverables, and engineering solutions that work not only on drawings but also on construction sites. Have a project in mind? Send me your drawings and scope of work, and let’s discuss the best engineering approach. I am available for design packages, technical reviews, troubleshooting, and long-term support.