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铁路上大多数客車都是在座席底下装置蒸汽或电气加热器,这种加热器依靠自然对流在整个車內散布热量,車內的通风則利用車頂上的通风装置,在車辆运行中抽吸空气,有时旅客也打开車窗使空气流通。除了安装一般蒸汽和电气采暖設备的車辆外,有一小部分高級車辆,安装了空气調节装置,在这种車辆上利用风扇向車內送空气,空气溫度的高低,是根据外气溫度的变化而变化的。
Most buses on the railway are equipped with steam or electric heaters under the seats. The heaters rely on natural convection to dissipate heat throughout the car. Ventilation in the car utilizes the ventilation on the roof to draw in the vehicle Air, and sometimes passengers also open the windows to allow air circulation. In addition to the installation of general steam and electric heating equipment vehicles, a small number of high-level vehicles, air-conditioning installation, the use of such vehicles on the vehicle to send air to the air temperature of the air is based on outside Gas temperature changes and changes.