Execute sales and marketing strategies for HVAC products including VRF and Chiller systems. Deliver technical presentations and recommendations to clients. Develop new customer bases while maintaining existing relationships across government and private sectors. Coordinate internally and externally with relevant departments. Prepare quotations, technical documentation, and support bidding processes. Track sales progress and provide technical customer support through deal closure. Generate monthly, quarterly, and annual sales reports. Requirements: Bachelor's degree in mechanical engineering or related field, Minimum 3-5 years of HVAC sales experience (VRF, Chiller, or air conditioning systems), Strong technical knowledge of air conditioning systems with ability to read and interpret engineering drawings, Project sales experience in construction, manufacturing, or large-scale ventures, Competency in quotation preparation and technical submittals, Professional presentation and customer consultation abilities, Negotiation and sales closing skills, Ability to travel for customer visits, Functional English for technical documentation and supplier communication.