That's my office dude. I'm a bus driver.
(Our fleet should have been replaced years and years ago, but some genius in the 90's thought buying CNG buses instead of Diesel or LPG means that their resale value and scrap value are one and the same. So we are stuck with them until they literally die. (And yes they are all steaming turds in all areas.)
The only thing close to air con my bus has are windows, so I can relate.
The coach I drive occasionally has AC that only works on cloudy days, the windows are all sealed, and I get sunburned through the windows in about 35 minutes if its a sunny day.