How does a cars Air Conditioning system work?

[@kennethjones2849]

I watched about 5 videos on AC --even one from a professional institution--yours is the best so far--thanks.

[@dr.yahyaelewa1628]

Strongly agree.. thank you.

[@aaronmcdonald4944]

Also checkout Donut media YT Channel. I like their animations too. this one is very well done btw

[@djecklinyprimon3705]

Can’t agree more!! Excellent explanation 😄

[@subhamoybanerjee3172]

good show, specifically because it is animated keeping all the parts in exact position of a car. that makes this video different from others. keep it up.

[@mariosugay5618]

what happened to the dryer after the refrigerant passes through the condenser?

[@hectorheath9742]

Good to see some actual temp and gas figures. Greatly helps in understanding. Thanks.

[@Silkroads733]

Great I’m a qualified mechanical engineer and auto electrical technician, and I never really knew about to much about a/c units until watching this video thanks, I’m more old scool..from the points ignition and carburettors ect ect..from the 70s..

[@dr.yahyaelewa1628]

Hats lift up Professor. I love your dialect and the way you teach. You are kindly asked to hold a seminar for teachers to teach them how to teach. If it's in my hands, I honor you an OSCAR. Hopefully, your Excellency would accept my kind and deep regards. Once again, thank you so, so much. Your proud student.

[@seinlanda5492]

Without a doubt THE BEST video about this so far, others talk a lot about details in the compressor and shit but they haven't even explained how does the system works.

[@GarageTechAutomotive]

🙏🏽

[@vladdunareanu8500]

I was curious how A/C works and I found this explanation exactly on my car :)

[@محمدالشمري-م6س9ط]

the best "How does it work? " I've ever seen thumbs up

[@aniketdeshmukh836]

I have never seen such a big mistake in explanation. Gaseous refrigerant is entering the evaporator instead of liquid refrigerant.

[@IronWarrior95]

@@aniketdeshmukh836 he said gas enters the evaporator, not liquid. But as I read, his mistake is, that it actually is liquid when it enters the evaporator and cools the air down. A liquid cooling air down sounds more effective than a gas cooling air down. And then on its way back when it gets warmer it gets into gas again. I'm actually not sure about it right now.

[@bridew]

Wow, after many videos finally one that explains with the actual numbers... Thanks

[@DannyOh1984]

Perfectly explained. From the animations to explanations. Thank you very much! Cheers from USA

[@prashantjagtap_17]

I learnt it was way back in 2014-15(engineering days)....But that time I was confused regarding this topic, finally I got the solution... The way u r explaining pressure & temp. at perticular point is just clear all the daught. Thanks

[@NishitShukla]

All Indian engineers are like you, they pass exams without understanding much, the system is such.

[@prashantjagtap_17]

@@NishitShukla Right. They only focus on how to get numbers.

[@NishitShukla]

@@prashantjagtap_17 My father was B Tech Mechanical, he retired as Chief Engg, Damodar Valley Corp, ran a 780 MW plant, but I don't think he knew how the thermal power plant ran. 😁😄. I am into Economics, even I don't understand how the economy works😁😄

[@prashantjagtap_17]

@@NishitShukla 😀 Ok. This month I got selected in Johnson control as a design engineer, and the main product of company is HVAC, so I suppose to know all things about that so try to learnt this after selection 😅😜

[@NishitShukla]

@@prashantjagtap_17 Good luck man😁😄. I am confident that you will never be the one to invent fb, twitter, google or for that matter anything that can be called invention. The last major invention from India was lavan bhaskar churna.

[@godwin7733]

I was watch so many videos but i can't understand anything about Ac working. But your video was awesome . Very knowledgeable animatic explanation. Very Good 😍😘

[@dr.yahyaelewa1628]

I love your dialect Sir. It reminds me with my lovely British Professor .. Blessings. Once again, thank you. Kind regards.

[@relaxationclub3848]

Very straightforward explanation. I feel intelligent now 😅

[@rogerhamberg1266]

Thankyou for busting my hearing after the end of actual video.

[@dr.yahyaelewa1628]

Hats lift up from America to you Sir. Thank you so, so much. Kind regards Sir.🎓

[@miguelito9va]

Great video. Congratulations!!! I work in automotive industry and I have to thank you for sharing your acknowledge with us.

[@joenaz4311]

Fantastic video. Top tier visuals and thoroughly but succinctly explained!

[@raquelojeda8311]

Really good video. I have always had a lot of trouble understanding the theory behind it so actually seeing the flow really helped. Thanks a lot 👍

[@supdream8979]

A little technical but I got it how it works great explanation 😃

[@garirclinic2020]

The best video on ac ever in my opinion ....thnx

[@ChristianEssentials101]

Great explanation and animation.

[@anasrauf5854]

What a video … simply marvelous expalanation❤

[@niallenglish3777]

Nice 1. Told me exactly wha I wanted t know, and jus had t watch 1 time. Good on ya

[@joelsagayanatan2325]

U made it to understand very easily , while comparing to other videos .. thanks 👏

[@BillySBC]

Very good video and explanation, as well as indicating the directional flow of the gas in the system. I am getting high pressure on the low side so I'm thinking it's probably the expansion valve now as this seems to be the place where the high pressure drops to lower pressure. Thanks again for posting this.

[@theSilvioRoesler]

Such great video, thanks for putting this together

[@MrMagsimus]

Fantastic video to break a complicated process down into lay mans terms and deliver excellent commentary 👍🇬🇧👌👌

[@solidworksegscorporatetrai3983]

Great Video of Technically Published about an inside mechanism HVAC System of car. Very Useful...

[@alizainsomani1127]

Great video well explained and easy to understand with animations and placements of the AC components

[@mkumar9613]

good explanation man.. keep doing more work like this!!! Great job

[@prak44]

Very good explanation.

[@desiefiautoelectrician7150]

I watch all your videos with pleasure and learn a lot. Thank you for sharing your experience with us.

[@akupehsluarketatAR]

meanwhile in mother russia, the weather cools the a/c system

[@teravolt6113]

I wonder how many people in cold weather countries such as Russia (or Canada, Sweden, Finland...) get seized compressors for not being able to run AC for long long times...

[@anonymousfuck9320]

TeraVolt Not all cars automatically turns of the ac so in some you can have the ac on

[@infinitewisdom4557]

Yep, conventional A/C, in reverse!

[@domisualk6122]

And the Motor warms the Person... the co2 warms russia so everything OK.

[@LuciferMorningstar666-e1s]

@@teravolt6113 they turn on the heater

[@pgm7035]

Best a/c demo.

[@pufarinu]

fascinating animation/explanation !

[@coppertechnologies5051]

Your presentation is highly appreciated... Thanks for the work

[@junkitlow]

Very detail explains, great knowledge

[@marvinfollero846]

props to the animation. great work

[@Hopefuljorneys]

Good explanation sir

[@abdulsamad-oz4lw]

Good illustration how it work. Now i can clean my coil with coil cleaner with confident.

[@mechanicalengineeringpract140]

Good explained

[@akstarkids]

Good information 👍

[@paris.v7137]

wow amazing video ❤️

[@joepapa52]

Very good info, thanks and keep it up

[@nasapayrollsystem8701]

At the expansion valve , it doesn't boil the liquid to make it a gas . The physics is , if you suddenly compress a gas it will generate heat .. (Compressor) If a gas suddenly expands , and hence drops in pressure it will cool down, enough to make ice. If you open a valve at the end of a Compressor tank , as the compressed air leaves, and expands you will feel the metal outlet getting colder , and it may form ice , depending . This is also only the cooling part of the A/c .... The gas expands , drops in pressure , as you mentioned , and this is the cooling effect , its transfer of energy really .. a full system would include that as the warm air is cooled over the evaporator, It cannot hold as much moisture . Warm air holds more moisture than cold air , this will reduce the dew point and water will be separated from the air. Resulting in cooler dryer air. This water can be dumped out the bottom of the vehicle.. Don't freak out if you have water dripping from underneath your vehicle after a journey on a hot day , with the A/C on ..it's just this condensate being dribbled out

[@nasapayrollsystem8701]

Im probably being a Twat pointing that out though ...😒

[@Redtooth75]

Its both. When the refrigerant vaporizes it absorbs a lot of heat to do so. Something vaporizing is a endothermic process that absorbs heat. Thats why we sweat, the water on our skin evaporating absorbs heat from our body.

[@Imjeevabharathi]

Extraordinary bro

[@msa0435]

Very nicely explained.Great job.

[@pkasb90]

Wow GarageTech what a superb video.

[@jasonalcide8478]

this is the first time im really understanding wats it all about ....tanx

[@devanandkunduru4560]

That's awesome explanation

[@hoatruong6691]

Super easy to understand. Thank you a lotttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

[@zulkiflyhjali5142]

This is very good tutorial... Thanks👍👍

[@CHIBA280CRV]

That is a Fantastic and simple explanation of how the refrigerant works in a compressed state.. what I can't seem to find is a video explaining how the electronics side of the system works ? Like what happens when you push the a/ c button on the dash ? Sends a signal to what and what pressure sensor those and fan clutch closes etc. ... Which intern leads to the video you just presented.. thanks I hope you have a video on it , and if not would you make one ? It's good to understand how the whole A/C system works. I need to know in order to try and repair my 2007 Honda CR-V a/c system .. I need to understand how it works from when you push the button.. Sorry for the long comment. Thanks again.

[@normalkullanc1993]

Nice and clean thank you

[@CASP_ian]

One small correction: Dryer is used to remove any unwanted water (or water vapour) and also acts a filter. Water vapour is really bad as it freeze in expansion valve causing starvation.

[@kensonmalupande2424]

Well explained

[@Adikxx]

fantastic vid, really well explained

[@rizwanbarakba5181]

Good job friend you explain nice and I hope everyone will understand because this way you were told and the video clear and it’s educate easily

[@ChadTvFun]

Very good video, very educative.

[@ign4304]

One of best video ,understood at once .tks

[@majidm6007]

Fantastic explanation, thank you.

[@jitender247]

Detailed explanation about the gas pressure and temperature at various points , thank you very much for that dear friend

[@allseasonadventures5124]

Awesome job man, thanks

[@sionak]

nice video but two things: the function of the drier isn’t to keep the refrigerant as a liquid, it is there to remove water from the system and to act as a liquid refrigerant reservoir. also when the refrigerant passes through the expansion valve, is doesn’t cool because it boils. it boils because the pressure drops, (if you compress a liquid it’s boiling point increases, which is why it can be a liquid at 16 bar in the pressure side). it is the expansion of the refrigerant through the expansion valve that creates the cooling, not the boiling of the refrigerant.

[@malikmalik0216]

Thanks dude 🐸 for the quick knowledge

[@tylerharper9376]

Thanks for the video! Really comprehensive.

[@samforcez]

This video is great!

[@bunnatang]

your voice is too low. but music is like a thunder.

[@hegotaspare]

Yeah don't forget to turn the volume down after he's finished or you/I will jump.

[@CL0WN]

@@hegotaspare I was prepared and still jumped wtf us that sound design .

[@NAaPALM51]

The guy: I’ll put music at the end 🥁🎸😋 Me now: 🧏🏽‍♂️

[@tozguitar]

brilliant explanation

[@hakimzah]

well explained!

[@jrno93]

Amazing engineering

[@travelwithhasan1]

Thank you brother I want to know a little more detail about how cooling is circulated inside the car.

[@venkatakrishnakishorepasum6324]

Good explanation..

[@vin605]

Very informative thanks

[@MrPandoratomorrow]

Great video need more like this

[@e90vi]

great video!!

[@chiragdoshi762]

good animation ac system works

[@cagmito76]

excellent subscribed

[@gantasaala23]

Thank you sir u briefed clearly how the car ac works

[@lynbooth1431]

Thank you, Thank you, Thank you.......It all makes sense now.

[@namihiko8678]

Just one mistake, if the temperature of the refrigerant is 0C going into the evaporator, then it must be warmer when leaving. Since Cabin air is what warms it, then the temperature of the refrigerant as it enters the compressor is probably around 20C (since it has be to less than ambient air temperature) and not 0C

[@buythisnow935]

You made a mistake about when the high pressure and high temperature Liquid leaves the expansion valve . It stays in liquid form but low pressure and low temperature It evaporate inside the evaporator due to warm air passing thru the fins of the evaporator.

[@uawpittjr211]

🏆 I agree

[@AndyShrimpton-GaaTech]

Thanks for the video

[@muneerlyati]

thanks so much, excellent explain and presentation

[@emrekaplan5737]

I am beginner with driving. When I turn on the cooler I turn on the A/C button as well. Do I need to turn on the A/C button when I turn on heating or should I leave A/C button off?

[@droneboy5415]

When u want heat leave the ac button off

[@stiii_stii7205]

Well explained. But voice is soo low. Great work. 😊☺️

[@akarshbn]

@Garage tech, on the return circuit, is it not the hotter gas that comes back to the compressor? Not the cold gas as mentioned in the video. If it was cold gas, it was not required to be circulated back to the compressor. It should be hot enough to continue to be a gas but not hot enough for heat transfer with atmosphere which is why gas is compressed and sent to the condensor.

[@benomac13]

Isn't the receiver dryer used to remove moisture from the system? Not gas

[@ravindrajoshi78]

Please add more details on how compressor run from engine and how air travels inside cabin,

[@jacobaldrich1060]

Great video

[@GilNgai]

Excellent animations and explanation!! How do-able is building an AC system into a non AC car? (or transferring a system from one car to another?)

[@GarageTechAutomotive]

It’s achievable but would be a lot of work, best thing to do would be to have another car the same which has AC and swap over all the parts. Dash board and heater controls, heater box and matrix, plus all the AC hoses, condenser , AC compressor, different crankshaft pulley and belt. May even need to have the Engine ECU coded so it can keep the rpm up on idle when switched on. It would be a lot of work and you’d have to question is it really worth it.

[@thebridge5483]

Thank you so much I have an ase test coming up

[@footballCartoon91]

@4:51 Why is that a generally Warm liquid refrigerant (55 degree celsius with 16 bar of pressure) When turned into vapour it becomes cold at 3bar of pressure. And how does they make the system suddenly have 3 bar of pressure? Sorry I'm confused

[@CBAUTOACE]

Good explanation

[@naderachkar1231]

amazing video ....thank you

[@veritasomar]

Excellent explanation and video! Could you tell me please which software you used for the animation. Was it Solid Works or something more specific to the automotive industry?

[@arcadesunday4592]

I think this video was borrowed from VW tech training or something! Very good animation though!

[@gmt-kg4sd]

I think there was a mistake made. When the high temperature passes through the expansion valve, it remains in liquid form until the hot air from inside the car is blown over the evaporator and THEN it turns into a gas. Am I wrong?

[@Anstroy95]

you are right

[@muhammadawais7597]

Yes. When it passes through the expansion valve, the liquid becomes low temp and low pressure liquid and it remains in liquid form as it passes through evaporator where fan blows air over it and it exchanges heat with the cool liquid and convert that liquid into gas which flows back to compressor and that air which was cooled is provided inside the car.

[@JoseJimenez-mf9wd]

Correct

[@glasser2819]

he clearly said that it is the LOW PRESSURE THAT BOILS OFF THE LIQUID INTO A GAS. The TXV regulate the inlet amount of liquid based on evaporator exit temperature. The most important factor is the PRESSURE DIFFERENCE crested by the compressor suction side vs high side. TIP: Simply *Wrap* the liquid line between the front condenser to the TXV with insulation so the high pressure refrigerant is NOT REHEATED by the HOT ENGINE. This wrap drastically improve efficiency in summer traffic 👍🏻 (cooler return line needs to stay exposed to get fully expended back into a gas even in winter during defrost operation)

[@K0nst4nt1n96]

G Lasser already wrapped from the factory on mine.

[@wildlog]

Beautiful explanation. Can I ask how aircon makes air dry inside? And why aircon smells inside? As per explanation sounds to me like a closed system.

[@ladeninlogen]

Great video, you’ve got a like and I subscribed. Now I’ve got a question for you. I’ve got a car with dual zones. One side of the car is blowing cold air just fine. Meanwhile it takes approx 15 minutes for the other side to blow cool air. What could be the issue here you think?

[@GarageTechAutomotive]

Mosaro, thanks for the sub, most likely be an issue with the heater box flaps. These are the flaps that direct the air inside the heater box. If one side is getting cold then your AC is working. Hope that helps

[@ladeninlogen]

@@GarageTechAutomotive Thank you for coming back to me so quickly! I'll go and have it checked coming monday. If you're curious I can then come back with an update.

[@GarageTechAutomotive]

Mosaro, yes please do, hope it’s nothing too expensive🤞🏻

[@ladeninlogen]

GarageTech update: a couple of months ago I let them do an airconditioning check. They had forgotten to put back something that had to do with the interior filter, I don’t know what it was... It’s fixed now with no cost 👌🏻