--- title: Air Conditioning: Who Invented It? description: Willis Carrier, inventor of the air conditioner, helped cool down the world. Here's what you need to know about his life and work. canonical: https://time.com/4423959/air-conditioning-invention/ author: Mahita Gajanan article:opinion: false article:content_tier: free article:published_time: 2016-07-26T17:44:55.000Z article:modified_time: 2026-02-22T23:33:14.450Z article:section: History og:title: Who Invented Air Conditioning? og:description: He saw himself as the Thomas Edison of air conditioners og:url: https://time.com/4423959/air-conditioning-invention/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltcb2a5ec0ccac19a1/69889f583c16397c4745e346/willis-carrier-air-conditioner.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2560 og:image:height: 1440 og:image:alt: CARRIER og:type: article twitter:card: summary_large_image twitter:title: Who Invented Air Conditioning? twitter:description: He saw himself as the Thomas Edison of air conditioners twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltcb2a5ec0ccac19a1/69889f583c16397c4745e346/willis-carrier-air-conditioner.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Who Invented Air Conditioning? > Sponsored content. 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They are at time.com/newsletters and are separate from a paid subscription. by [Mahita Gajanan](https://time.com/author/mahita-gajanan/) ## Mahita Gajanan Gajanan is an editor at TIME. Jul 26, 2016 5:44 PM UTC  The first centrifugal refrigeration machine invented by Willis H. Carrier, the father of air conditioning, is pictured in Syracuse, New York in 1922. The first centrifugal refrigeration machine invented by Willis H. Carrier, the father of air conditioning, is pictured in Syracuse, New York in 1922. Carrier Corporation/AP by [Mahita Gajanan](https://time.com/author/mahita-gajanan/) ## Mahita Gajanan Gajanan is an editor at TIME. Jul 26, 2016 5:44 PM UTC With the U.S. in the midst of a [massive heat wave](http://time.com/4411768/heat-dome-heat-wave-summer-weather/) during one of the [warmest years on record,](http://time.com/4154331/warmest-year-2016-climate-change-el-nino/) it is, in a word, hot. As temperatures rise—and look to [keep rising over the coming years](http://time.com/4367093/summer-heat-climate-change/)—the [dangers](http://www.nws.noaa.gov/om/heat/index.shtml) of remaining outside for too long are very real. And so is the relief that comes with entering an air-conditioned building. For that, today’s hot and sweaty masses have the engineer [Willis Carrier](http://content.time.com/time/world/article/0,8599,321533,00.html) to thank. Though people have attempted to outsmart the weather for centuries, the mechanical air conditioner did not arrive in the U.S. until Carrier invented it in 1902. Carrier, who [saw himself as](https://books.google.com/books?id=kaRqBgAAQBAJ&pg=PT111&lpg=PT111&dq=Carrier,+the+Thomas+Edison+of+air-conditioners&source=bl&ots=3OqeERN7UW&sig=amZrUNzYjtBxR8i3O864mwACxcs&hl=en&sa=X&ved=0ahUKEwi77Z7HxpHOAhXK1R4KHT3hAMwQ6AEISzAH#v=onepage&q=Carrier%2C%20the%20Thomas%20Edison%20of%20air-conditioners&f=false) the Thomas Edison of air conditioners, changed the world with his invention—but its original aims were much smaller than that. The air conditioner, built to both cool a room and reduce humidity, was originally created to keep moist air in a printing plant from wrinkling magazine pages. Carrier had been born in 1876 to an old New England family—including an ancestor who was hanged as a witch in Salem—and attended Cornell University, after which he took a job with a heating outfit. Research he produced for the company saved them $40,000 a year, and Carrier was put in charge of a new department of experimental engineering, where he designed his first air-conditioner for the printing plant. While there, he met Irvine Lyle, a salesman and his eventual partner in Carrier Corp., a company that succeeded in marketing the air conditioner to Americans in the 1950s. (Today, it is a brand of United Technologies.) [_Get your history fix in one place: sign up for the weekly TIME History newsletter_](http://time.com/newsletter) Carrier continued to refine his cooling systems over the 20th century. As TIME explained in a 2010 [brief history of air conditioning, ](http://content.time.com/time/nation/article/0,8599,2003081,00.html)it took years for the technology to become widespread: --- > “” --- Eventually, air conditioners lost their aura of luxury. Today, almost 90% of U.S. homes have air conditioning, and global demand for cooling systems is staggering, bringing relief to more than 3 billion people who live in the tropics and subtropics, according to a [2015 study](http://www.pnas.org/content/112/19/5962.full#ref-1) from the Proceedings of the National Academy of Sciences. And Carrier’s influence doesn’t stop there. A 1998 [essay](http://content.time.com/time/subscriber/article/0,33009,989777-1,00.html) from TIME entitled _King of Cool_ delves into how deep the air conditioner’s reach goes: --- > “” --- While for most, air conditioners promise cold, blissful air, not everyone is on board for Carrier’s invention. Environmentalists concerned about global warming have for years [called](https://www.washingtonpost.com/posteverything/wp/2016/07/22/your-air-conditioner-is-making-the-heat-wave-worse/) for cutting back on the use of air conditioners, although they recognize the invention’s public health benefits. However, as record-breaking temperatures are expected for the coming decades, air conditioning likely isn’t going anywhere. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4423959/air-conditioning-invention/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4423959/air-conditioning-invention/"},"headline":"Who Invented Air Conditioning?","datePublished":"2016-07-26T17:44:55.000Z","dateModified":"2026-02-22T23:33:14.450Z","description":"He saw himself as the Thomas Edison of air conditioners","url":"https://time.com/4423959/air-conditioning-invention/","keywords":["Technology","Business topic","Science topic","People"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/bltcb2a5ec0ccac19a1/69889f583c16397c4745e346/willis-carrier-air-conditioner.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Mahita Gajanan","jobTitle":"Gajanan is an editor at TIME.","url":"https://time.com/author/mahita-gajanan/"}],"articleSection":"History","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/bltcb2a5ec0ccac19a1/69889f583c16397c4745e346/willis-carrier-air-conditioner.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"CARRIER","caption":"The first centrifugal refrigeration machine invented by Willis H. 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