How This Desert City Stays Cool With An Ancient Air Conditioning System

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This is a Bâdgir an ancient air conditioner invented around the eighth century AD.
Despite using no electricity, it has a cooling system that kept houses at a pleasant temperature during the hot summer months. However in the winter the buildings still remained warm and comfortable. These buildings are found across Iran but they are most prevalent in the ancient city of Yazd.
As you can see this city is surrounded by extremely dry arid desert conditions, the climate is pretty extreme with the hottest month being July which has an average temperature of around 38c or 102°F and the highest recorded temperature in the city was a whopping 46°C that's 115°F, There is also little to no rainfall throughout the year, with the average annual rainfall being somewhere between 0.4 - 0.7 mm.
Its crazy to think even today most building do not have modern air-conditioning but instead they still rely on the ancient air-conditioning systems this is because unlike powered air-conditioning and fans, Badgirs are silent and continue to function when the electrical grid power fails.
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17 июн 2023

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Комментарии : 1,1 тыс.

@LeafofLifeWorld 11 месяцев назад

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@clothokaftan 10 месяцев назад

... 38°C ..? r-really? wow thats cooler than where i live... in the height of summer its over 41°C here, and the record is 45°C for us.

@MR-backup 9 месяцев назад

It's great to finally hear someone use the correct century suffix of "B.C." Also, could you do a video on the actual step-by-step processes of these structures, and maybe even some dimensional specs?

@RobertDooley-sl7cp 9 месяцев назад

You missed the addition of earthen thermal mass which also cools.

@MichelleInnes-pc2zn 8 месяцев назад

No one cares about Iran

@MichelleInnes-pc2zn 8 месяцев назад

John Watson Willie towers Watson bldg no thanks Egyptologists

@fourex59 11 месяцев назад

It would have been nice to include some inside temperatures of the buildings to see how effective this technique is cooling the building.

@misterhat5823 11 месяцев назад

That's because it's a fan, not an A/C. The inside temps are better than nothing, but by no means refrigeration. The video is click bait.

@LeafofLifeWorld 11 месяцев назад

Great suggestion! We actually did this test in Mexico inside an Domed Adobe building without wind towers and it was 10c cooler than the outside temperature in the middle of the heat of the day, didn't think to included the test in this video, I honestly forgot I did it but I might make a story about it in the community feed

@unite3717 11 месяцев назад

@@misterhat5823at which point is it a fan? There is nothing spining around or moving to fan the air. Adobe buildings are in fact alot cooler because they are made if earth, they absorb the heat in the day and keep inside cool and slowly release the stored heat at night to keep the inside warm

@fourex59 11 месяцев назад

@@LeafofLifeWorld Thank you so much for your response. I really appreciate your coverage of this subject, I find it very interesting.

@rar6546 11 месяцев назад

@@LeafofLifeWorld From your response, if it is 115* F then it would be 105* inside the building. Not much of an air conditioning. It would be better if you included how efficient this system was for actually cooling a building, otherwise, the technology is moot. Disappointing.

@regndeer 11 месяцев назад

techniques like this aren't just good for keeping things cost effective and environmentally friendly. by practicing them, we can keep and pass down their designs. when advanced technology fails, we always fall back on older and simpler designs like this. it's always important to preserve ancient analog designs.

@LeafofLifeWorld 11 месяцев назад

Very true!

@kimberlyhoward369 11 месяцев назад

They have spent a life time or two destroying all the past and poisoning us and making our food not nutrient , afraid we might realize how powerful we are together ! That’s thee biggest fear probably why we were taught to hate a lot of religions also ! They shared a holiday w us last year , first they told us about it . That date was when the light returned pushing out the darkness , the light had been gone many many years . Everyone was telling each other so fast , we all were giving thanks and praying in joy ! Praying was praising God for the return of light which meant so many good things. , but the love had them reach out to others across the seas and share that appreciated day , the love was powerful ! We need to stop looking at this worlds troubles w worry and hate and start sharing the joys and love ‘laughing and sharing in the protection of Gods Power and his promised Love for us all ! We all were gathering online to pray together at the beginning of the virus last time. We were being told the pollution was changing , for the good , and we received word that we might not need a second earth if we keep doing what God has wanted all along , praise him , thanking him , loving him , paying attention to him not man, he wants all our love to! We forget but we need to do more remembering ! Love the neighbor ! Pray w 2 or more ! Focus on the same thing to heal or change to the good : together ! It brings a peace and a joy in our lives ! His love blasts out the evil ! We must fight to protect ourselves and our children w prayer and appreciation of Gods caring for us even as we get lazy ab forget , let’s awaken our memories together! Remember we were made in the likeness of him. So Let’s get our vitamins , food, water and air cleaned ,pray over everything before you put it in your bodies ! Detox the old fashioned way ! This will restore our memories and our energy !

@amarketing8749 10 месяцев назад

Only works in a very dry desert. The video specifically mentions the extreme dry desert.

@yeetboi268 10 месяцев назад

Not really, if it catches wind, it catches dust as well. You want your house to be filled with dust constantly? Also, how about the bugs entering through the channel?

@aidanwoodward3975 10 месяцев назад

@@yeetboi268 Just put a mesh on it, simple

@LisaApril 10 месяцев назад

Every time I see something ancient people have built I see they have Far exceeded us without destroying the planet.

@jeremymain7303 10 месяцев назад

It's just a gigantic swamp cooler. You can make one of these with a computer fan, a towel, a fishtank pump, and a five gallon bucket. They only work in extremely hot, extremely dry environments. They work exactly like how sweat works with your body. Heat energy is evaporated when it touches the water. This is why the air needs to be extremely dry. Without dry air there is no where for the humidity generated to go. And without the outflow, the humidity would gather in the building until the air was both hot and damp. Modern swamp coolers use a water reservoir and blow hot air through a towel that is being wet down with a pump. The towel works best for small scale cooling and in situations where you can't dig down to groundwater. But you'll notice that they talk about wetting towels in the tower. This gives the evaporative process of this system two chances to work. (Which is to say the ancient version isn't nearly as effective as a bucket and computer fan) Both the ancient and modern version do not far exceed air conditioning at all. This isn't air conditioning. It's evaporative cooling. No form of evaporative cooling will work in air that is even slightly moist, such as in a coastal environment, even in a costal desert. Again, without extremely dry air, there is no where for the generated humidity to go. No where to go = no evaporation = no cooling. Modern air conditioners work independent of humidity by first using a chemical fluid that boils at an extremely low temperature. Even though it turns to vapor at a low temp, it still cools exactly like evaporating water does. However, this versatile chemical refrigerant vapor can then be pumped in front of a fan that blows the heat out of your house, while at the same time being squeezed so hard it turns back into a cool liquid. The liquid is then pumped back into your house where it boils again, and the process repeats. We took the basic principles which we learned about in ancient times and fixed the glaring shortcomings of those ideas.

@sanniepstein4835 8 месяцев назад

They wiped out many species, and created a few deserts. Let's keep the good, but there's no need to idealize them.

@brandonbowden1262 8 месяцев назад

Don’t get too chocked up about it. It would still be literally unbearable in those homes. You knock 10 degrees off 100 it’s still really hot.

@Enes-wj5xq 3 месяца назад

@@sanniepstein4835 Another Islam hater found

@ianchandley Месяц назад

@@brandonbowden1262I just did a pre construction survey 2 days ago on a site situated on the edge of a large swamp. It was bloody hot and humid, and traipsing around the bush in the hot sun was brutal….however, there was one spot that was very overgrown with climbing plants, and standing underneath it was about 5 degrees centigrade cooler. So don’t knock it, that temperature difference was rejuvenating!!!

@asseenontv-ch7944 11 месяцев назад

Don't know if it's still there, but Coconut Grove (surrounded by Miami Florida) had a small shopping mall open at both ends built as a wind catcher with cascading water fountains at each end that caught and cooled the wind, making it nice and breezy and cool even when it was over 100F degrees outside.

@maryrenaud6732 11 месяцев назад

So if we were serious about reducing energy consumption, this type of design could be very beneficial!

@briangibson8627 11 месяцев назад

Until people start getting Legionnaires Disease

@LeafofLifeWorld 10 месяцев назад

Wow thats great! 😮 Thanks for sharing!!

@Emiliapocalypse 10 месяцев назад

NEAT!! When abouts was that mall built, do you happen to know? Thanks

@MorehouseMan954 10 месяцев назад

i am often in miami and would like to visit this place. if you find out what it is called or where it is, please post it here

@newtoncooper4085 8 месяцев назад

Old houses in the U.S. are made with heavy timber, wide overhanging eaves, 10- 12 foot ceilings, large floor to ceiling windows, which are opened at night and closed before the heat of the day builds. This works great. Now we build with light timber, narrow or no eaves, small windows and an AC unit, running constantly, despite all the toxic foam insulation and plastic wrap.

@lallagammon5027 7 месяцев назад

Cool thing about those old windows was they would open at the top, where the warm air rises, and circulate the air in the upper part of the room.

@newtoncooper4085 7 месяцев назад

@@lallagammon5027 Exactly, and the top to bottom removable screens allowed for that.

@davinasquirrel7672 4 месяца назад

Modern buildings in Australia are the same, and similar designs were in the older buildings (high ceilings, high roof cavity, large verandas, etc). Now they are near identical brick boxes packed tightly together with no eaves, small roof cavities, ridiculous windows, and massive aircon units. It's ridiculous!

@billycox475 3 месяца назад

I used to live in a really old house like that in Georgia. It stayed pretty cool in the summer. Of course there's the humidity...

@davidarundel6187 3 месяца назад

Victorian & Edwardian houses , had the 12 foot studs , for this reason , nearly all rooms in cooler climates , had fire places . Modern , 8 foot stud ceilings are in , wide eves are out , along with Lanais or porches , also the roof space that a 6 foot tall person could walk around in without stopping . Even the old commercial buildings in the west , used to be easy to heat in winter , and easier to cool in the summer . If you cannot afford AC , there's an old hack , I've heard of , which works to cool tall stud houses . A peice of pipe with a slit along it's length , with a yardage of sail cloth , inserted into the slit , one end of the pipe blocked , and water fed thru the other end , at such a rate , that the cloth remains dry at it's base , no drips should occurr . There's a small cistern at the top , which stores the water . As it 'leaks" down the sail cloth , evaporation , does the cooling , adding some moisture to very dry air , making it easier to breath .

@charlesunderwood6334 11 месяцев назад

I have stayed in places in the Moroccan desert when it is 40 degrees and never need to use the AC because of the excellent building design, that has remained essentially unchanged for over 2000 years. Why are people in the southern US not building riad/villa style building designed to stay cool?

@briangibson8627 11 месяцев назад

Because of humidity.

@charlesunderwood6334 11 месяцев назад

@@briangibson8627 The climate in much of Nevada, New Mexico and Arizona is very similar to North Africa.

@bozenaturek2028 11 месяцев назад

Polski prze

@louiscypher4186 10 месяцев назад

Because it's needlessly expensive. Bâdgir needs to be built to the local conditions. If the winds are generally hot, the design is different to areas where the wind is cool, Area's with high winds are different then areas with low winds and so on and so forth It even needs to be orientated catch prevailing local wind direction and as the wind tower needs to be integrated into design you need an expert that understands the local area and how to build these for the local climate. Get any of these things wrong and the Bâdgir wont work, you've wasted your time and money. You would have to change the house itself. Where's A/C comes in a box and you just bolt it on to whatever structure you like. To build a properly functioning Bâdgir you need artisans who have decades of experience, with most modern A/C systems you can install them yourself and even large ducted systems can be installed by people with a few hours worth of training. This is why even in countries like Morocco and Iran many new buildings do not include the a true Bâdgir, instead it's just a façade designed to fit in with existing architecture and cool the building with A/C. With modern technology it's starting to bring the costs down as companies can now reliably model local conditions and home designs that work with them digitally removing the need for local artisans as a result countries are starting to readopt them. Egypt and oddly enough Australia are leading the way on integrating modern Bâdgir into commerical buildings.

@charlesunderwood6334 10 месяцев назад

@@louiscypher4186 That is true, but even in that case where it is not practical, thick mud or similar walls, shaded windows, and a central courtyard with water and inwards ventilated rooms go a long way. That design alone is enough much of the time.

@AhJodie 11 месяцев назад

This is a brilliant concept that we need to continue using rather than waste energy on air conditioning.

@creativeideas012 11 месяцев назад

This will never be brought up as the solution Cz peasants need to keep paying energy taxes

@nacoran 11 месяцев назад

It works best where it's dry. Muggy airflow is still muggy. A breeze needs to be fairly dry or fairly cool to cool you much. That said, running air down to a cool reservoir is pretty similar to a modern heat exchanger system, and good old double hung windows, when you have them positioned so you can get a cross breeze can get you good airflow in Western style houses.

@Jason-33W 11 месяцев назад

Yea you go ahead and try it. See if that cools you down better than a modern AC.

@AhJodie 11 месяцев назад

@@Jason-33W Why did you say that? These were around thousands of years ago and use the water underground to cool the air, the natural way heat rises and cold moves to lower levels has been used with the building shapes. These styles were used where the air is hot and dry. Geothermal is used in modern day heating and cooling which is similar but expensive. The method doesn't have to be better at cooling, only as good, which it is, and once built, runs for free with no pollution or extra cost.

@jdos5643 11 месяцев назад

Why don’t we have a similar system here in the states? That would save ppl a lot of money be safe for the environment?

@movie30000 10 месяцев назад

My parents are from Yazd. Badgir are very helpful, but many houses also use fans as wells as air conditioning.

@spacelemur7955 11 месяцев назад

An ancient solution that has become modern again. ❤

@aurorajones8481 11 месяцев назад

0:38 We need this in AZ where our highest temps have been in the 120F. All we have are A/C units buzzing away and the city itself magnifies the heat with a heat island effect negating any temp loss at night resulting in 102 being your coldest part of the morning at 5am. Insane.

@prettypenny8563 11 месяцев назад

Dude gtfo of az ur insane for living there

@virginiaoflaherty2983 11 месяцев назад

I thought the swamp cooler was a thing in the south west.

@malibudolphin3109 11 месяцев назад

Look into earthshops and sandbag houses

@sdigf3167 11 месяцев назад

@@virginiaoflaherty2983 They stopped working when agriculture came into the area and made things humid.

@cynthiakeller5954 10 месяцев назад

I lived in Tucson from 1995-1999. We had a swamp cooler and it was better than AC except in August.

@gabetalks9275 11 месяцев назад

Modern arrogance has blinded us to the fact that the ancients were far more advanced than us in so many ways. We still marvel at their creations, yet still have the audacity to look down upon them. Edit: I'm not saying that this modern age is primitive. What I'm saying is that the ancients weren't the ignorant fools many people think they were. Obviously humanity has continued to progress tremendously, but still, a lot of the discoveries and advancements we make today are just us re-learning what the ancients already knew.

@magesalmanac6424 11 месяцев назад

Well said.

@DesertsOfHighfleet 11 месяцев назад

I think it can be traced from the enlightenment period

@saimandebbarma 11 месяцев назад

Right buddy ☝️

@kenanacampora 11 месяцев назад

And then backwards Islam came along and they have stagnated. Taliban slapping women again. Any thought?

@gabetalks9275 11 месяцев назад

@@kenanacampora What does that have to do with humanity forgetting what its ancestors already knew?

@rjung_ch 11 месяцев назад

👍💪✌ Anything that can be done without power of any sorts is a winner. Imagine living in such arid hot areas, how else would that have been possible, without such bright ideas?

@Dina52328 10 месяцев назад

Truly amazing this ancient air conditioning system. The ancients were more advanced than we thought.

@imaginative-monkey 10 месяцев назад

For curious people information, Badgir literally means wind-catcher. Baad (rhymes with mud) means wind and geer (rhymes with gear) is the short form of geerandeh, which means catcher.

@NomadicCreator 11 месяцев назад

Definitely a great thought to bring forward to modern architecture! I love seeing stuff like this! This is the stuff we need to be examining to adapt to our warming climate.

@itsv1p3r 10 месяцев назад

Funny comment

@NomadicCreator 10 месяцев назад

@@itsv1p3r how come?

@melvin6840 11 месяцев назад

Beautiful !! Wonderful !! And.. works very well with adobe, I'm sure. Myself, I'm building a village for my children. Here in the desert southwest, United States, adobe building is an all but lost technique. I've had to learn it from scratch. Thank you for the inspiration! Wow! Just what I've imagined. Thank you.

@LeafofLifeWorld 11 месяцев назад

That's sounds like a very exciting plan! Please keep us updated with how it goes!

@melvin6840 11 месяцев назад

@@LeafofLifeWorld Thank you. Yes. I will.

@alixp3411 11 месяцев назад

That is unbelievably awesome!!!! And they wanted us so dependant and so greedy using electric companies!!

@sashamoore9691 10 месяцев назад

Deserts are so beautiful I swear. Something abt it

@edwardroche2480 11 месяцев назад

This is a wonderful idea whose time has returned never having left.

@vivianblack2951 10 месяцев назад

There's also this company in India building pottery fridges/coolers on the same principles. They use only circulating water to keep the food safe. They cost around $30.

@Emiliapocalypse 10 месяцев назад

Wow, that’s worth googling. Thanks

@hariranormal5584 11 месяцев назад

Even today, we literally have companies making "Whole house fans" which are meant to circulate air everywhere. It's literally from the same principal.

@richardkurtz9661 8 месяцев назад

Back in the '60s in NJ, we didn't have AC when I was a kid, but we did have a whole house fan. We were never hot in the summer.

@randlerobbertson8792 11 месяцев назад

Brilliant technology. Thousands of years old.

@magesalmanac6424 11 месяцев назад

These things are so cool! Human ingenuity! 😁

@maxdaly8185 11 месяцев назад

Maybe that’s why there’s a grotto beneath the Great Pyramid? It could have served to keep a cool breeze going during summer work on the interior.

@LeafofLifeWorld 11 месяцев назад

Good point!

@piccalillipit9211 11 месяцев назад

*I LIVE IN A COMMUNIST* era apartment block in Bulgaria - we have a wind catcher on the roof. It pressurises a column of air down to the underground basement and back up a central riser in the bathroom where we have a vent that blows cold air out all summer. Its extremely effective - the bathroom is also a fire safety cell as it has positive pressure fresh air and 20cm thick concrete walls [NO the communists were not thick and backwards as we were told in the west]

@chuckichas 11 месяцев назад

Good on you and the people who had the foresight to do so.

@LeafofLifeWorld 11 месяцев назад

I have heard amazing things about the urban planning in Bulgaria, that there are large green spaces with fruit trees 🌳 this building you live in, sounds ideal! Thank you for sharing

@car9167 11 месяцев назад

the communists were idiots. The people who designed and build those buildings have nothing to do with the communists. I lived 42 years in Romania and I know. If a country was communist doesnt mean all the people were communists.

@nusaibahibraheem8183 11 месяцев назад

Please what do they call those kinds of wind catchers, I would love to research them

@georgeriegg289 11 месяцев назад

@@nusaibahibraheem8183 Bâdgir

@gnarmarmilla 10 месяцев назад

That’s really neat. I would like to build my own home with this system being somehow incorporated into my design. I just installed an attic fan that sucks the air out of the house and into the attic so that way I can draw more cool air into the house in the fall and spring when the air outside is so nice. Thank you for sharing.

@alphamorion4314 11 месяцев назад

It's amazing to think that we knew how to build smart since ancient times, both with these kind of technologies and with intelligent use of orientation, but we kinda forgot all of this in industrial times

@iwanabana 10 месяцев назад

Love this channel. Keep the good work and research up!!!

@harve8643 9 месяцев назад

This is a great ancient technology. My father also said that fountains also used not only for decoration but also to cool the surrounding area. But I want to make a correction. At 2:48 you're saying 'West Asia' while showing Borobudur's temple stupa which is in Indonesia, 'Southeast Asia'. But as an Indonesian myself I don't really know that the stupa used to cool the area since it's used to 'guard' the buddha statues inside but yes, it's relatively cool eventhough as I remember the last time I climbed the temple it's still scorching due to direct sunlight to the skin at noon

@alejandroarriagada3991 11 месяцев назад

Best of ingenuity is efficiency, best results at lowest costs! This proven concept is elegant, functional and easy to build, what else can you ask!

@kaftan1776 17 часов назад

Nothing beats trees to cool the environment.

@johnsmart964 9 месяцев назад

Thank you very much for this very interesting and informative video presentation which is very much appreciated by the people. We are absolutely delighted that this important subject is being dealt with in this way.

@YoniCrisis 11 месяцев назад

Thnx for the video. Want to argue the animation/explanation... The animation seems to imply wind enters the "catcher" and is directed downwards and into/through the building. But I believe the wind is meant to flow through, and create this low pressure area (venturi effect) and draw air upwards the tower. Air would come in from wherever (better if cool area, tunnel, shade, just outside) and flow through the building cooling it, and exhaust up the tower But definitely great to highlight and draw attention to this passive technologies, that should be integrated into our designs so we don't depend on electricity for eeeeverything.

@jamesmacleod9382 11 месяцев назад

Like the big attic fans in houses in the American south.Why can't we depend on electricity for everything? It's like the fifth element, the force and the one power wrapped up in one. We as a species, have many ways to make it and many,many ways to use it . If the government and the UN has their way it _will_ power eeeeverything.

@sbdiaries 11 месяцев назад

That's very smart indeed and seems very effective 👍. Our hats go off to the incredible engineering ❤❤❤❤

@bigtomboye 3 месяца назад

😮Wow!! Beautiful concept and design❤😊

@carolleenkelmann3829 8 месяцев назад

Thankyou for this little piece of information. I was trying to think what these structures were called only last week. Now I have a little more very important knowledge at hand to draw upon when and if I need to. I'd like to build one of these channels/towers myself.

@tomeemerson 11 месяцев назад

This is really something! I’m wondering how well they would work in Phoenix Arizona, summer temperatures just a little higher here.

@philipdamask2279 11 месяцев назад

The architecture is very interesting. With an outdoor temperature of 102 F, what would be the indoor temperature?

@varyokh 11 месяцев назад

between 25 to 27 celcius

@misterhat5823 11 месяцев назад

@@varyokh Gotta source for that?

@MrToddino 10 месяцев назад

@@misterhat5823seething

@AodhanBeag 3 месяца назад

How cool would it be to be able to see back on time and watch how these minds developed these groundbreaking engineering discoveries

@gregorchard7881 4 месяца назад

We had 50 degrees celsius in Longreach, Queensland, Australia, a couple of days ago. 38 is a walk in the park.

@teedtad2534 11 месяцев назад

Amazing!!

@enrique9432 8 месяцев назад

The air conditioning sellers don't like this video, not at all.

@richardlilley6274 11 месяцев назад

Thank you for sharing

@user-fm8nf2ys2o 10 месяцев назад

An excellent helpful video. Highly recommended. Thank you for sharing.

@elliottjames671 11 месяцев назад

Yadz is thousands of years ahead of us.

@biggumstevens1784 11 месяцев назад

not so fast, they didn't ever tell us what the internal temp of the buildings are. It could literally only be a drop of 10 degrees or so.

@yusifali2878 11 месяцев назад

@@biggumstevens1784 that is still incredible for such an old technology

@mugs2169 10 месяцев назад

@@yusifali2878the shade alone can create the same temp drop.

@maus8737 10 месяцев назад

@@mugs2169shade isn’t guaranteed in desert climates and there’s no reason to not take advantage of both ventilation and shade

@mugs2169 10 месяцев назад

@@maus8737 you obviously missed my point. The guy thinks it’s incredible and I just pointed out how shade can offer an equal temp drop and that takes no engineering.

@hygrobiology 11 месяцев назад

Thank you so much for your Videos

@LeafofLifeWorld 11 месяцев назад

Glad you like them!

@spark5012 9 месяцев назад

Thanks for sharing that. Those buildings are beautiful too. I've always believed we could do stuff like that.

@kunalrajverma 9 дней назад

Thank you for making this informative video for us.

@RmationYT 10 месяцев назад

This system is still used where I live!! People tend to mix this system with a more modern house and it looks good!

@1celifecreatorsfn 8 месяцев назад

May I know Where do u live ? Cuz I’m curious about how’s like to use this system in your place & get explore more about this ?🙌🏻🙌🏻🙌🏻

@RmationYT 8 месяцев назад

@@1celifecreatorsfn uae and they don’t really use this system, it’s more so decorative

@1celifecreatorsfn 7 месяцев назад

Thank you so much for your reply! =)

@Liam1694u 11 месяцев назад

One important thing to remember is that these are all hot and arid climates. Air conditioners are not originally designed to cool, otherwise they'd be called air coolers. They were originally designed to condition hot and humid air. And by "condition" I mean remove moisture. Which is why swamp coolers and these ancient systems are much more common in desert climates than air conditioners. Just some random science that has maybe a little bearing on the video.

@amentco8445 11 месяцев назад

yet in hot and arid climates in the west you rarely see systems like this invested in, rather brute force is still utilized through ac systems and slower unpowered options to release heat like small roof vents.

@dicksdiggers 10 месяцев назад

@@amentco8445 because these wouldnt work anywhere near as well in humid climates.

@katherineuribe2952 7 месяцев назад

I experienced 122° in Palm Springs, California in late July 2006. It was an oppressive force. It doesn't surprise me ancient people figured out a way of dealing with these unreasonable temperatures!

@bogami2126 6 месяцев назад

😊

@L4teSh1ft 10 месяцев назад

I would love to build this in a slightly more modern design, but I'm sure my neighbors would all have heart attacks. Goodness forbid my little box look slightly different then the other little boxes.

@Emiliapocalypse 10 месяцев назад

Let the pearl clutching begin. How dare you not do the thing

@yeetboi268 10 месяцев назад

Lol, yeah sure. Until you realize that it will be catching dust brought by the wind. Now your house will be constantly filled with dust.

@mohammadjavadghorbani4131 11 месяцев назад

Hello from iran The country of culture, technology and civilization...

@ursularudman7008 Месяц назад

That's wonderfull information and thanks for your sharing ❤

@brie3679 10 месяцев назад

When I’m wealthy enough to, I’m building a fully sustainable, self cooling/heating home here in Florida. It’s gonna employ so many ancient techniques for cooling.

@peterluxus7382 10 месяцев назад

We should also get rid of the typical "business suits" and cravat tie, which is a derivative from France revolution and therefore absolute obsolete.

@danityvanityinsanity 10 месяцев назад

This is genius! So simple and elegant in its design yet highly effective at keeping the home cool in hot weather and warm in cool weather! The ancient people of the world were way more intelligent and technically advanced then we give them credit for!😃👍✨💖✨

@vint.k1727 17 дней назад

Ive tried to make something like this with those flexible aluminum ducts (the one used for dryer vents or stove ranges and a bucket on top to catch the wind. It was years ago I dont remember it working very well though bcus it wasnt mutidirectional and not channeling the wind properly. I also notice those pump air when you scrunch them having a vertical whirlybird with an in duct fan would also probably be optimal.

@rezadehghan1504 10 месяцев назад

thanks for explaining u guys , i lived in a house in Qeshm iland that had BADGIR, its a real challenge to manage wind sometimes but after all u dont need air condition and its amazing

@estebancorral5151 10 месяцев назад

You are supposed to design the badgir to open towards the prevailing wind. You have just exposed a stupid architect.

@xaviercruz4763 11 месяцев назад

How cool compared to outside are those examples?

@corujariousa 11 месяцев назад

Always good to learn about old technology that might have gone forgotten. Keeping these technologies in mind even in modern constructions may bring benefits for sure. For cities like Yazd, where sun light is plentiful, modern technology (solar panels) can easily be used to power modern AC systems, which would certainly provide a much better temperature control.

@f.9344 11 месяцев назад

No, they get dirty extremely fast and need a lot of water to clean. since rain is so sparse, it aint a better solution. thats also the reason why some mid east cities look so "dusty dirty" since no rain to keep the buildings and streets somewhat clean.

@corujariousa 11 месяцев назад

@@f.9344 I challenge that. Spain for example has been investing in large solar power plants in arid areas. Dust is a problem for the panels. They clean them with air, not water.

@LeafofLifeWorld 11 месяцев назад

You do realize air conditions also produc ambient heat, making the outside hotter and noiser, people in Yazd often us their roof top for various things like drying washing and when the sun goes down they have cafes and spaces to chill on the buildings. Maybe the people of yazd prefer the simplicity not everyone needs their home to be like a refrigerator, a cool pleasant temperature is enough, not to mention all the materials needs for solar panels and airconditioners the cost and up keep. Just because spain does something doesn't mean the whole world has to do the same, spain ans Iran are different in many ways so don't expect them to be on the same playing field.

@corujariousa 11 месяцев назад

@@LeafofLifeWorld Good point. I agree. Each location/culture must adopt what works best for them.

@gochuckyourself-yf2rz 4 месяца назад

Yeah we used to have those in older schools in the United States back before we installed air conditioners we had big vents on the top of the school buildings but when we got air conditioning they were removed .

@pecelirovucago7149 11 месяцев назад

Thank you so much!

@Larsbor 11 месяцев назад

Why are no builders learning themselves these trades.. ? Modern builders seem lazy… this must be a concept worth looking at in for instance Mexico, San diego .. So what is happening? They build big overconsumptious mansions..!

@LeafofLifeWorld 11 месяцев назад

Maybe it depends on the preferences of people? I have put some modern examples of using this techniques at the end of the video

@tomblaise 10 месяцев назад

What people don’t seem to understand is that structures like this are passive cooling systems. You will never have a 70 degree house on a 100 degree day. You will also never have a dry house on a humid day. Taking techniques like these and using it to improve efficiency of cooling can be useful, but there’s no point if people end up using AC as well to make it their desired temperature. The only reason people choose passive cooling over active cooling is because it doesn’t get too hot, or there isn’t consistent electricity to provide active cooling.

@yeetboi268 10 месяцев назад

finally, someone with brain.

@schwarzerritter5724 10 месяцев назад

They also look expensive. No private home owner is going to pay for a tower and a well. And that is assuming you could even get a permission to build it.

@martinbenitez13 Месяц назад

Nah, this architecture is actually incredibly useful if implemented properly. If billions of people, especially Chinese and Indians, can adopt this technique, it would greatly benefit our entire world. Even an 8ºC decrease can be life-changing. If this technique can lower the indoor temperature from 37º to 29º, and the desired temperature is 24º, that means their AC only needs to reduce by 5ºC. Multiply that by a billion people, it results in significant energy savings and less climate impact

@melvindias1249 10 месяцев назад

Undeniable ancient wisdom!

@MB-jv8ci 9 месяцев назад

تبحبیفیم

@texbacalian5036 10 месяцев назад

In the UAE, these are called Wind Towers. Old buildings still have them. Some modern traditional buildings have them as decorative purposes. Over there, it is called "Barjeel".

@macsnafu 11 месяцев назад

I would certainly like to see more passive solar techniques and things like this in modern home and office building. If global warming is occurring, saving electricity will be more important than ever before.

@1969kodiakbear 11 месяцев назад

So marvelous.

@pramodkaransingh8551 9 месяцев назад

Love from Rajasthan, India 🇮🇳 Hottest area of India

@warhawkjah 11 месяцев назад

It’s important to mention that they don’t work as well in humid climates. They rely on hot dry air blowing through cool water cisterns. Air that is already humid can’t be cooled in this way. This is why modern air conditioning still does a better job.

@LeafofLifeWorld 11 месяцев назад

The mean monthly relative humidity over the year in Yazd, Iran.... On average, January is the most humid month, at 53.0%. On average, July is the least humid month, at 17.0%. The average annual percentage of humidity is: 32%

@guydw1251 11 месяцев назад

Not much time spent on the "how" in this video. It's almost click bait.

@LeafofLifeWorld 11 месяцев назад

At least 2 minutes was describing the how 🤔

@AhJodie 11 месяцев назад

Perhaps you did not watch the whole video.

@melvin6840 11 месяцев назад

Hello, guy dw My take on it is that, because it's shaded, the air inside of the taller column will be cooler than the outside air. This causes it to drop. Then, the air circulates through the building, grabbing heat as it goes back up, and out, of the shorter column, or dome. So.. it causes a draft in the house. Even if there's no wind, or any cross breeze available.

@sundayejeh7050 День назад

Egypt has played significant role in technology

@user-mt5xc6wp7d Месяц назад

Thanks for the tip

@justdoingitjim7095 11 месяцев назад

These types of videos always give us the outside temperatures, but never give us the inside temperatures of the "cooled" air. I guess "cooling" is relative to where you live and what you're used to. In humid Texas areas "cool" in an air conditioned home is probably around 72-75 degrees F. In an adobe building in the dry desert 85-90 degrees F. would be considered "cool."

@misterhat5823 11 месяцев назад

That's because these are click bait videos. This isn't air conditioning by any stretch of the imagination. It's great for being passive, but not A/C. But, I guess "passive whole house fan" doesn't generate clicks.

@madnessintomagic 10 месяцев назад

I never could understand, living in Saudi and Bahrain, why they abandoned riad style building and switched to Texas style McMansions with giant AC units on the roof instead. Another layer of stupid was putting the water tanks on the roofs of buildings, instead of underground, and under the center of the building. Taking a shower in the summer was torture, even using the “cold” tap. No logic whatsoever.

@estebancorral5151 10 месяцев назад

Texas McMansion are a status symbol to prestige seeking Arabs. This is not to difficult to understand. Why are you so masochist in being in Saudi or Bahrain in first place? What is the logic?

@madnessintomagic 10 месяцев назад

@@estebancorral5151 Wow.. do you always go on the attack just for funsies? I worked there. Why are you so sadistic as to seek people out online to bully in comment-one with doing any due diligence? Weird. I know the *point* of those terribly designed villas, but that’s not what I was talking about. The video is about natural cooling in architecture, and my comment was about the *choice* in the region, by some, to make houses HARDER to cool, more expensive to cool, and completely irrational in terms of water storage. All relevant to the video. Your comment, on the other hand…… way out in left field.

@WarriorOfWriters 10 месяцев назад

I think one of the major reasons for the lack of these wind catchers in modern cities is due to population density and the limitations of tenement plans. A tradeoff of the apartment I live in is that space is created by certain tradeoffs maximising living space: eg: an electric boiler occupies half of our linnen closet, my bedroom has no wardrobe space, the main bathroom serves as the laundry. The addition of wind catcher would limit the unit space and what little natural light it already has. Having said that, I feel like our urban designs should be revised to use as much of the natural world as possible to power itself. Particularly as use of local materials and climates was key to urban developments up until the start of the post-war.

@rehan3600 11 месяцев назад

Iran is undoubtedly one of the most beautiful desert nations!

@CIS101 7 месяцев назад

Heard of these before. Very interesting. Nice Video.

@tessariles4488 8 месяцев назад

Thank you!

@jigold22571 11 месяцев назад

Spectacular Construction

@suggesttwo 9 месяцев назад

The heat goes up the chimney through the stack effect when it is cool at night cooling the entire structure. Once the building is full of cold air inside and out it will cool the structure much more quickly than it would heat up during the day. The cold doesn't go up the chimney during the heat of the day. 2 chimiinies should cool much faster still than 1 large chiminy because the cold won't have to travel as far in some rooms.

@ANabih-uo3zy 10 месяцев назад

This works like the modern evaporate air coolers, brilliant

@budweiserthedog4449 11 месяцев назад

Thank you x 3 ❤️

@brandonkarhu5599 8 месяцев назад

It's funny that Oregon state has weather comparable to theirs. We had 105 for a week this year. 110 last year.

@user-yb2up7lz7b 2 месяца назад

Thanks! Good good idea !

@barristophilliesiii5863 11 месяцев назад

This is awesome engineering. Brilliant video.

@oskarvomhimmel6936 10 месяцев назад

The "How does it work part" is...an interesting perspective and a great example of how we all see the exact same thing slightly different...but, if it works as expected...👍👍

@anamarie8 11 месяцев назад

Wonderful!

@marklawrence76 7 месяцев назад

New Subscriber. Keep the videos coming

@LeafofLifeWorld 7 месяцев назад

Thank you! Will do!

@kathleenodonnell3156 9 месяцев назад

Really good video, can you make more that have people explain how the buildings make-up supplies the temperature differential - what parts of the building do what and how to make the parts, or how they tell what type of wind catcher model should be built where. Thank you!

@bogami2126 6 месяцев назад

😊

@sielorstout1213 11 месяцев назад

Inventive and fascinating!!! ❤

@davidarundel6187 3 месяца назад

A very worthy addition to any building - architects may need to educate themselves about this technique . An idea picked up from the Medeterainian , is passive , and involves a slit pipe , closed at one end , with a length of sail cloth or simlar , 'stuck' in the slit , which "wicks" water , down the cloth , evaporation , doing the cooling . The fabric should remain dry at the bottom at all times , but damper , the further up one feels the cloth . Just remember to refill the cistern at the top regularly - hopefully , one has sufficient water , like for the wind catchers of Iran , which you indicate , have a cistern below the hbuilding , or acecss to an artesian water source , to cool the desert air , before distributeing it around the building .

@Janggut40 4 месяца назад

Amazing airflow

@LS-kg6my 10 месяцев назад

My mind is blown!! (Excuse the pun). This is amazing and points out the importance of learning from tradition and the past. That said, I do wonder how well this would work in tropical environments where there is more humidity and dense foliage to content with. Super cool! (Oops. Another pun!) THANK YOU

@anneeq008 2 месяца назад

It goes to show, we should always have an open mind with our technology and appreciate technological advancement doesn't always involve electricity. We really should have these everywhere