Over the course of three years Vietserve has supplied more than 1,400 Thermo King roof-top airconditioning systems for public buses in HCMC. These units include the CitiRT for 12m buses with up to 80 persons, the KRS/MRT for 9.5m buses with up to 60 persons and the SRT50 for 7m buses with up to 30 persons. Thermo King units were installed on buses supplied by Mercedes Vietnam, SAMCO HCMC, Transinco (Vinamotors) Hanoi and Tracomeco HCMC.