I didn't know that about other parts of the US. I can see how it might make sense in Arizona. In California, mandating ACs would be enormously stupid. For one t

I didn't know that about other parts of the US. I can see how it might make sense in Arizona. In California, mandating ACs would be enormously stupid. For one thing, it would needlessly inhibit use of the many other methods that exist for cooling buildings (a la Apple Campus). But also, the California climate is temperate enough that it is very much possible to live without AC. I have an AC but have not used it in more than a year. I see no reason why we should require everyone to have one. I of course have no objection that buildings must be habitable. A building with dirty water, structural issues, or lacking heat in a cold place is obviously not serving any market segment. Parking seems to me be fundamentally different than those issues though. I know many people that happily live without a car in LA. Why should it be illegal for developers to cater to them?