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Ancient Air Conditioning: Free DIY AC That Actually Works & the Science Behind It

Greenhill Forge 9:39

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Free or cheap DIY air conditioning using evaporative cooling! Learn the ancient techniques behind natural AC & build your own cooling system.

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In this video:

Aquarium pump and tubing— https://amzn.to/3H4biSk

Swamp cooler pads — https://amzn.to/3IKLifs; https://amzn.to/4midYem

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#DIYAirConditioning #EvaporativeCooling #FreeAC #SummerCooling #DIYBuilds #ScienceExplained #AncientTechnology #EnergySaving

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ATTRIBUTION:

Egyptians bringing in the harvest: Wikimedia Commons

Depiction of Aaru from Dayr al-Madīnah: By N.N. - Shedid, Abdel Ghaffar "The Tomb of Sennedjem / An artist grave of the 19th century Dynasty in Deir el Medineh" Philipp von Zabern, Mainz, 1994, Public Domain, https://commons.wikimedia.org/w/index.php?curid=92730975

An Egyptian qullah, set in drafts to cool interiors: By لا روسا - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=36948879

Mud Brick Houses along a canal. Bernard DUPONT from FRANCE, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons

Ancient Persian passive design taking advantage of evaporative cooling: By Samuel Bailey (confuciou@gmail.com) - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=8659258

Schematic diagram of an ancient Iranian windcatcher and qanat: By Wind-Tower-and-Qanat-Cooling-1.jpg: Williamborgderivative work: Monsih (talk) - Wind-Tower-and-Qanat-Cooling-1.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=8981659

A pair of short traditional windcatchers (*malqaf*). By Fred the Oyster, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=36495354

A shabestan, ventilated with windcatchers. By Kamal-ol-molk - http://www.kamalalmolk.info, Public Domain, https://commons.wikimedia.org/w/index.php?curid=20105652

The windcatcher of Dowlatabad Garden in Yazd, Iran: one of the tallest existing windcatchers. By Bernard Gagnon - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=67136736

An *ab anbar* with windcatchers in Yazd, Iran. By Diego Delso, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=52136980

Yakhchāl of Moayedi, Iran. By Zereshk - http://en.wikipedia.org/wiki/Image:Yakhchal.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=349610

Yakhchal of Yazd province. By Pastaitaken - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4944242

Iran in 2018. By Wojciech Kocot - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=90620014

Sankey diagram explaining the concept of radiative cooling used in yakhchāls. By MingoBerlingo - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=131660224

Clay pot cooler: By Peter Rinker - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=33443863

Functioning of a clay pot cooler: By Peter Rinker - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=33444154

Vegetable sellers with clay pot cooler: By Peter Rinker - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=33443999

Drawing of a typical roman atrium house. By Tobias Langhammer - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11301405

Domus romana, vector version. By Domus_romana_Vector001.svg: *PureCorederivative work: PureCore (talk)derivative work: Papa Lima Whiskey 2 (talk) - This file was derived from: Domus romana Vector001.svg:, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=18274163

Women in a Pompeian Atrium feeding fish. Luigi Bazzani, Public domain, via Wikimedia Commons

Atrium tuscanicum. By Josef Theodor Hansen - [bruun-rasmussen.dk](http://bruun-rasmussen.dk/), Public Domain, https://commons.wikimedia.org/w/index.php?curid=97974662

Atrium tetrastylum, four pillars. Villa San Marco, Stabiae. By Mentnafunangann - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=28378465

Evaporative cooler illustration, annotations modified. By Nevit - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=10980304

Swamp cooling pad. U.S. Department of Agriculture, Public domain, via Wikimedia Commons

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