由于人们生活水平的提高，对客车的舒适性提出了新的要求，因而研制了在用普通客车改装为空调客车，结果改装空调客车的技术性能没有受到明显的影响，制冷效果好、舒适性高、操作简单、维修方便，满足了人们对舒适性的要求，也提高了客运的实载率。 Due to the improvement of people’s living standards, new requirements have been put forward on the comfort of passenger cars. Therefore, the technical performance of modified passenger air-conditioned buses has not been significantly affected by the conversion from ordinary passenger cars to air-conditioned buses. The cooling effect is good and the comfort is high , Simple operation, easy maintenance, to meet the people’s requirements for comfort, but also increased the real load carrying capacity.