Skip to content
TrackPodcasts
artsJan 17, 201828:40pending

Thermal Delight

99% Invisible

About this episode

When air conditioning was invented in 1902, it was designed to take out the humidity in the air so printers could run four color magazines, without the colors becoming offset due to the paper warping from moisture. A young engineer named Willis Carrier developed a system that pumps air over metal coils cooled with ammonia to pull moisture from the air, but it had a side effect -- it also made the air cooler. Very quickly Carrier began to think about how it could be used beyond printing. Ultimately, air conditioning would dramatically change where people in the United States lived and the design of homes and other buildings.

Thermal Delight

Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Get every episode summarized

Each time 99% Invisible publishes, we email you a written briefing from the transcript — the topics, who appeared, and any specific claims, with the ad reads skipped.

Email me new episodes

Free for 3 shows. No card needed.

Hosts & guests

No transcript yet

This episode has not been transcribed. Request it and it moves to the front of the queue.

Thermal Delight

99% Invisible

0:00
28:40

More episodes

More from 99% Invisible

View all episodes →