Receive and log all assembly and service-related calls. * Prioritize and escalate urgent service requests as required. * Ensure timely follow-ups and resolution of service issues. * Accurately enter and update all service and assembly-related details in the ERP system. * Maintain records of work progress, technician deployment, and service completion. * Handle Air Control Services contractor billing and ensure accurate documentation. * Ensure proper closure of service tasks with necessary approvals. * Plan, schedule, and coordinate daily AHU assembly activities. * Review project drawings, GA diagrams, paneling drawings, and internal layout before execution. * Communicate with project managers, design teams, and clients to ensure clarity on technical details. * Follow up with the factory/warehouse team for pending materials or short supplies. * Troubleshoot issues related to mismatch, damage, or missing components during assembly. * Maintain documentation for assembly checklists, material shortages, site reports, and daily progress updates.