MARVEX, a trade fair specializing in air conditioning, mechanical ventilation, and cooling systems, was founded in 2022 and quickly established itself as a leading event in the field. Its name, an acronym for "Malaysian Air-Conditioning & Refrigeration Expo", reflects both its core topics and its geographical anchoring in Malaysia. The fair is held annually at the Kuala Lumpur Convention Centre (KLCC), a central and accessible location in the vibrant capital city of Kuala Lumpur. MARVEX is a collaborative project between the Malaysian Air-Conditioning & Refrigeration Association (MACRA) and C.I.S Network Sdn. Bhd. It brings together professionals from industry and academia to present the latest innovations and technologies in air conditioning and cooling systems. The main themes include ACMV and R equipment, building automation technologies, as well as cooling and refrigeration systems, complemented by indoor and outdoor air systems. The exhibitors, primarily leading manufacturers and service providers in the industry, showcase a wide range of products and services, including advanced air conditioning units and specialized ventilation systems. Highlights include the "MARVEX Air-Cond & Refrigeration Skills Competition." The program is further enriched by symposiums and the presentation of the "MARVEX Excellence Award," making the fair a dynamic and interactive event. MARVEX significantly contributes to Kuala Lumpur and Malaysia’s stature as a hub for technological innovation and industrial development in Asia. It attracts not only local but also international attention. Visitors and delegates, including industry experts, government representatives, and academics, use the fair as an opportunity for networking, professional development, and discussion of the latest research and market trends. In summary, the Kuala Lumpur Convention Centre, with its modern facilities and central location, provides the ideal platform for such a high-caliber event. MARVEX attracts professionals from around the world and makes a significant contribution to the industry. The MARVEX will take place on 4 days from Tuesday, 09. September to Friday, 12. September 2025 in Kuala Lumpur.