Ali Chamseddine

End-to-end HVAC engineering across application design, technical support, commissioning, and after-sales service. Key Responsibilities: • HVAC system selection & sizing (VRF, DX, FCU, ducted) • Cooling load calculations & psychrometric analysis • Technical submittals, datasheets & shop drawings • Techno-commercial proposals & BOQ-based quotations • Design coordination with consultants & MEP contractors • Installation follow-up & commissioning support • Troubleshooting (airflow, refrigerant cycle, electrical) • Preventive & corrective maintenance planning After-sales service, warranty & spare parts handling • KPI tracking (MTTR, response time, first-time fix) • Technician & client technical training Key Achievements: • Improved service response time & efficiency • Supported successful project delivery • Increased client retention through reliable support

Key Responsibilities: • Prepared & reviewed shop drawings (HVAC/MEP) • Submitted technical datasheets & material approvals • BOQ analysis & quantity take-off (QS support) • Site supervision & installation monitoring • Ensured compliance with specs & IFC drawings • Coordinated with consultants & subcontractors • Tracked material submittals & procurement status • Conducted site inspections & snagging • Supportted testing & commissioning (T&C) Key Achievements: • Ensured timely approvals of submittals • Reduced site rework through drawing accuracy • Supported on-time project execution Codes: ASHRAE 170, ASHRAE 62.1, ASHRAE 90.1, SMACNA, ASTM

As a Supply Specialist at Spinneys, I managed high SKU levels, collaborated with suppliers to ensure capacity, and monitored inventory using Microsoft Dynamics 365 Business Central. I analyzed sales data to forecast demand, participated in S&OP Planning, and coordinated continuous improvement efforts with the Supply Chain Management team and suppliers. Maintaining accurate data, generating reports, and fostering relationships internally and externally were key aspects of my role.

•3D drafts •Use Solidworks and AutoCAD to create drawings for machines and mechanical parts. •Apply basic formulas, principles and practices of mechanical designs. •Assist with analyzing reports, drawings, and tests to plan for projects. •Assist in testing produced machines, and the maintenance of used ones.

• Prepared offers for new customers. • Checked and replied to e-mails. • Daily auditing invoices and checking all receipts. • Take reservations and communicate with customers for any customer service

This interdisciplinary online course providing a foundational understanding of energy, thermodynamics, and molecular structure. Key topics covered include: 1. Types of energy 2. Atomic and molecular structure 3. Thermochemistry and its relationship with energy efficiency and sustainability Through engaging readings, videos, and case studies, I developed insights into energy flow in economic structures, fossil fuel consumption, and sustainable energy practices.