I said this on the last ELI5 about AC: I assume you live in a cooler climate? Moved from Texas to Boston and home AC units in Texas are next level. I regularly wear sweaters inside during summer. I have not once needed to wear a sweater indoors in Boston.
Cooler climates just don’t need the most recent AC technology. It’s too expensive for the net gain. A window unit does the trick for 46/52 weeks and the last 6 weeks the window unit still does a good amount. Hotels/commercial buildings are more likely to invest in the better technology because they have the money and they make more money if people are comfortable for those 6 weeks. Boston’s biggest tourist times are during those 6 weeks. A hotel has a lot more to gain from a $15k ac unit than someone just living in the area
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