Most common ACs used in Indian buses are HVACs (which stands for heating, ventilation, and air conditioning). This essentially means that these ACs can both be used for cooling and heating purposes. In rare cases, some operators also opt for ACs with only cooling capabilities as they tend to be slightly cheaper than HVACs. Bus ACs are very similar to room ACs we use in home. Just like rooms ACs, we can set the temperature to our needs and the auto cut-off feature will ensure that the set temperature is maintained throughout. For IntrCity buses, IDEAL AC TEMPERATURE will be 24 °C.

  1. KEEPING THE AC SWITCHED ON DURING HALTS For pit stops/bio breaks of ~10 minutes, the AC WILL HAVE TO BE KEPT SWITCHED ON.
  2. In case of food halts which are ideally of ~30 minutes, the AC will be SWITCHED OFF after the last passenger deboards. It will be SWITCHED ON at least 10 minutes before passengers board the bus.
  3. AC temperature has to be set to 16°C and the fan speed set to maximum during this time to let the AC work at its full potential. Once the cabin is sufficiently cooled, which can be noted from the Cabin Temperature LED Indicator, the temperature can be set to 24°C and the fan speed

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