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Data centers raise nearby temperatures by up to 4 degrees in Phoenix
(techxplore.com)
This is a most excellent place for technology news and articles.
Phoenix. What are you going to do with it in Phoenix? 24/7 saunas?
If Phoenix has heavy Industries, piped steam is often useful. There's also central heating (just hot water eg for cooking, bathing, dishwasher etc.), however this requires prior design.
Then there's a better option to have the chimney higher up so the hot air doesn't impact downstream.
It's not rocket science but it's not free of cost either