Unless you've experienced this scenario, why would you be so adamant that AC is needed? Once again, there are systems in hotter, more humid climates without AC. And there are people on this forum who have been on those systems and said that the lack of AC was not an issue. This isn't a unique system. There is real world data to back up the decision.
I believe even
@Lift Blog - who, as by his name indicates, runs an entire blog just on Gondolas and chairlifts, I believe personally vouched that the AC option was unnecessary. But lets take your completely uninformed opinion over real world data and someone who could be considered an expert, right?