At Perencana Dingin Sdn. Bhd. (PDSB), we specialize in rolling stock HVAC systems, offering supply, localization, assembly, refurbishment, maintenance, repair, and overhaul (MRO) services that complement and support existing OEM solutions.
While OEMs focus on standard systems, we fill the gap by providing tailored solutions for obsolete HVAC units, ensuring they remain operational and efficient. We apply Reliability, Availability, Maintainability, and Safety (RAMS) principles to optimize performance and extend the lifecycle of these systems, delivering reliable, cost-effective solutions that OEMs may not provide for aging equipment.
Additionally, we collaborate with OEM partners for localized manufacturing, ensuring that components meet local specifications and regulations while maintaining global standards of quality and performance.
With PDSB, we offer seamless support for all HVAC needs—modern or obsolete—keeping your operations running smoothly, no matter the system’s age.


At Perencana Dingin Sdn. Bhd. (PDSB), we push the boundaries of VAC solutions and M&E engineering. Our expertise includes obsolete M&E system engineering, building and infrastructure VAC design, installation, and facility management.
We also lead in public address (PA) and passenger information systems (PIS), ensuring seamless communication across facilities. Adding to this, PDSB is committed to RAMS (Reliability, Availability, Maintainability, and Safety), enhancing system performance and lifecycle reliability for critical projects.
With PDSB, you get engineering that’s not just built to last—it’s built to excel.