One of the most wasteful components is the condenser. Salt water air conditioners can accomplish the same thing much more easily (50-75% savings): http://www.

One of the most wasteful components is the condenser. Salt water air conditioners can accomplish the same thing much more easily (50-75% savings): http://www.happonomy.org/get-inspired/salt-water-air-conditioners.html http://www.happonomy.org/get-inspired/salt-water-air-conditi... https://www.cnet.com/news/salt-driven-air-conditioner-looks-to-slash-energy/ https://www.cnet.com/news/salt-driven-air-conditioner-looks-... This is very old technology so people probably chose aesthetics over cost. Although when I think tacky, I think window air conditioning units..