![Willis Carrier on X: "In the 1930s, @carrier's Conduit Weathermaster System, introduced air conditioning to hotel rooms. https://t.co/0ZSM8xqKSE" / X Willis Carrier on X: "In the 1930s, @carrier's Conduit Weathermaster System, introduced air conditioning to hotel rooms. https://t.co/0ZSM8xqKSE" / X](https://pbs.twimg.com/media/ENXdeWBXkAEHA75.jpg)
Willis Carrier on X: "In the 1930s, @carrier's Conduit Weathermaster System, introduced air conditioning to hotel rooms. https://t.co/0ZSM8xqKSE" / X
![35 New Jersey Firsts – #21 – First Air Conditioner | You Don't Know Jersey | From High Point to Cape May 35 New Jersey Firsts – #21 – First Air Conditioner | You Don't Know Jersey | From High Point to Cape May](http://www.youdontknowjersey.com/wp-content/uploads/2014/06/Carrier-Newark.jpg)
35 New Jersey Firsts – #21 – First Air Conditioner | You Don't Know Jersey | From High Point to Cape May
![1968 air conditioners in color! part 1 | Vintage interior design, Vintage advertisements, Window air conditioner 1968 air conditioners in color! part 1 | Vintage interior design, Vintage advertisements, Window air conditioner](https://i.pinimg.com/736x/df/6e/8b/df6e8b30195b9daa1ba6de13ed11bbd7.jpg)
1968 air conditioners in color! part 1 | Vintage interior design, Vintage advertisements, Window air conditioner
![Carrier HVAC on X: "In March 1930, Carrier recorded the first sale of its window-sill-height Weathermaster units to the Superheater Company of East Chicago, Indiana, to air condition the second floor of Carrier HVAC on X: "In March 1930, Carrier recorded the first sale of its window-sill-height Weathermaster units to the Superheater Company of East Chicago, Indiana, to air condition the second floor of](https://pbs.twimg.com/media/DrAleHBWwAEWOgI.jpg)