How Air Conditioning Works

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To beat the summer heat, we turn to air conditioning. But that sweet, cool relief isn’t magic: it’s the science of heat transfer and the chemistry of refrigerants.


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Producer: Sean Parsons
Writer: Alexa Billow
Scientific Consultants: Michelle Boucher, PhD; Rick Wormsbecher, PhD
Executive Producer: George Zaidan
Fact Checker: Alison Le

“Backbay Lounge,” by Kevin MacLeod


Ever wonder why dogs sniff each others’ butts? Or how Adderall works? Or whether it’s OK to pee in the pool? We’ve got you covered: Reactions a web series about the chemistry that surrounds you every day.

Produced by the American Chemical Society.


sachu kavin says:

I didn't even understand a single thing. The female talking seems to focus more on making jokes then explaining the damn thing.

NikTeck Reviews and Tips says:

Love your voice, it made it not boring, and quite fun 😅

P.B.C 1970 says:

Good content, a lot more involved than what I thought.

Menace says:

This is the best explanation on YouTube on how the system works

Former UN Secretary General Ban Ki-Moon says:

Alright you know what. Ive watched this video like 3 times and watched 3 other videos explaining an A/C and in general I do understand the fundamentals of how an A/C works but I still don't fully understand it like how the hell do compressors work and how does the A/C turb my 39°C room to 18°C in a matter of seconds. So, I'm getting a book about A/Cs

Former UN Secretary General Ban Ki-Moon says:

Wait does this mean that those air hot thing (reverse air conditioner) that really cold countries use is just an air conditioner but the air conditioner is put outside and the hot fan thingy is put inside.

Gayatri Behera says:

after february summer need AC

WingZeroX TTV says:

ty i was wondering how this worked

Ahmud Sharara says:

Does the condenser condense air absorbed from outside or from the inside?

swapnil bhowmik says:

Physics Has Left The Chat!!

Sandeep Jangra says:

"Outside, where it's hot and miserable anyway. Who cares." WOW!

Klab says:

Whoever makes these scrips should be fired

Disposable Hero says:

funny narrator

ItsChessyMouseYT says:

welp, I guess my roommates are moving out 2:51

Naidu Sreemaan says:

So i wont get fresh air from air conditioner…………….🤨


Great Explanation

Reda Cherkaoui says:

"So, who cares?!" Future generations are gonna have to put up with the heat that we're dumping into the environment. Literal definition of global warming.

Marcel M P A says:

thank you i need to cool down my base in oxygen not included

Damian N says:

Video should explain a bit more on the condenser coil instead of using 1/2 the video on choosing type of gas. I am still a bit confused on how the gas turns into liquid state again…

Earl Bautista says:

There are a lot of side comments from her. It makes it harder to understand

Charles David says:

Great video
Sweet way of explaining things

Amitsar Jaikaran says:

So turn my ac backwards if I want heat and all the cool air out lol

Tucker Livingston says:

how in the world is a third option of propane or butane even remotely a possibility? Basic qualifications are non-flammable. did you research this before you posted? lol

Birendra Pradhan says:

Below link helped me a lot to understand..
easier than this video.

tomer says:

This may sound like a very stupid question for an expert, but what are/is the benefit(s) of having a refrigerant with a low boiling point instead of a higher one? Does this keep the cycle going somehow in the system? Also, wouldn't a higher boiling point absorb more heat?

ALL DAY says:

So….. The cool air get in and the hot air get out wow

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