All AC Parts and What They Do

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All AC parts and what they do. In this video I go over all the components and parts that an air conditioner has, what they are called and what they do, inside the house and at the outdoor condenser unit. A small crash course on the central air conditioner system.
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📝 Here is a list of parts and tools that you can use as reference:

AC Parts:

1 Pole 30 Amp Contactor:
2 Pole 30 Amp Contactor:
SPP6 Hard Start Kit:
25+5 MFD Capacitor:
30+5 MFD Capacitor:
35+5 MFD Capacitor:
40+5 MFD Capacitor:
45+5 MFD Capacitor:
50+5 MFD Capacitor:
55+5 MFD Capacitor:
60+5 MFD Capacitor:
Qwiklug Compressor Wire Repair Kit:
3 Amp Fuses:
1/4 HP Blower Motor:
1/3 HP Blower Motor:
1/2 HP Blower Motor:
3/4 HP Blower Motor:
FM55 Blower Motor Bracket:
5 MFD Capacitor:
10 MFD Capacitor:
15 MFD Capacitor:
30 Amp Disconnect Fuses:
25 Amp Disconnect Fuses:
20 Amp Disconnect Fuses:


The Best Flashlight:
UEI Multi Meter:
The Best Drill:
Magnetic Drill Bit Set:
Motor Hub Puller:
Amprobe Psychrometer:
UEI Dual Manometer:
Multi Tool Wire Stripper:
Magnetic Nut Drivers:
Knipex Cobra Pliers:
2 Piece Crescent Wrench Set:
14 Inch Pipe Wrench:
Magnetic Tray:
Screw Drivers:
Stubby 6 in 1 Ratcheting Screw Driver:
Stubby Magnetic Nut Drivers:
Fuse Puller:
Flexible Drill Bit Holder:
Long Drill Bit Extension:
Angled Drill Bit Holder:
Drill Bit Extensions:
UEI Temp Probe:

Zoom Spout Oiler:
Hex Key Set:
DeWalt Drill Set:
Wire Connectors Set:
Wire Nut Set:
Voltage Pen:
Pocket Extendable Mirror:
Magnetic Jumpers:
Mini Alligator Jumpers:
ECM Service Tool:
Klein Step Drill Bit #15:
Color Coded Snippers 3pc:

Refrigeration/Air Conditioner Tools:

R22 and R410 Refrigerant Gauges:
High Side Replacement Gauge:
Low Side Replacement Gauge:
R410a Refrigerant 25lb:
Refrigeration Wrench With Hex Bit:
Tube Cutter 1/4-inch to 1-1/8-inch:
Tube Cutter 1/4-inch to 2-5/8-inch:
SuperCool Slide Rule:
Ball Valve Refrigerant Hose Set:
Low Loss Refrigerant Hose Set:
HVAC Fish Scale:
⚠️ Disclaimer:
This video is for educational purposes. All appliance and HVAC repair work should be done by a trained professional. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information.
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  • Rating:
  • Views:872 views
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  • Categories: HVAC


Adam Grier says:

This is seriously the best A/c explanation video on YouTube!!!!!! Thank you so much!

CascadeSprings says:

great video! thank you!!

Sabrina Mize says:

I am 8 months into working in dispatch for HVAC service techs. Thank you for making this make sense!!

lgero says:

great video keep up the good work always enjoy your well explained videos , i have a question I have a compressor that was having problems starting up my unit is not that old but i thaught the compressor was having a hard start starting until it didn't start at all .traced the problem down to the start capacitor so i removed the start capacitor and installed a hard start kit capacitor called 521 just in case the compressor was getting worn out .So the question is should i leave the hard start kit capacitor installed since the unit is working fine or should i replace it with the original start capacitor ? .is the hard start kit capacitor going to create any problems for the compressor if i leave it in there permanently? ,Thanks in advance

Ran Jay says:

I need help, this is the best video on A/C that I seen so far, it help me understand a little better, but my A/C is different I guest because it's old but I need your help, is there anyway I can send you pictures an get your help testing the components, it was running great then on a cool day I turn it off then when I needed it again wouldn't turn back on, no buzzing nothing, I see 6 components on it, help please

Carlo D'Angelo says:

You have a gift ! Great tutorial ! Thank You.

help sociaties says:

I truly appreciate this master piece explanation

Javier M says:

When A condenser fan not working. How we fixed? Thanks

Tae Phillips says:

Knew all of it from school but this was a great demonstration of the components you didn’t miss a thing. Hope those people paid to clean that condenser tho🤣

Scott Hope says:

Your video will help me get a raise. (: Can you get your hands on newer models? I'd love to see some Rheem's

Angela Morales says:

I love listening to Jay. He's easy to understand.

dolores sandoval says:

Hello, my AC is creating sparks from the compressor. I have yet to fix it. Is it as good as gone or is there still hope?

purushothaman sinivasan says:

I enjoyed your presentation. Keep it up

James W says:

We used to charge the caps a little and throw it too the new guy 🤣🤣🤣

Armando Rodriguez says:

Don’t forget forget the bucket of steam next to the pipe stretcher

Michael Millner says:

Hey Jay, I noticed Carrier corporation is going to be changing their residential refrigerant from 410a to R-32. What is your opinion? They say it has a better cooling capability and requires smaller line size. What do you think? Thanks and have a good day.

Smiley Home Improvements John says:

Very smart kid.

Angela Morales says:

Can you recommend a place or website where we can get parts for our air conditioners?

Gideon lord - Adem says:

You didn't talk about the secondary drain line and the solenoid on the reversing valve

Sean Baker says:

A power saver? I would never! 🤣

David Mm says:

Good presentation

Rock Chaney says:

No contractor calls it suction line and discharge line it's high side low side little is high big low did you start yesterday dear God no one calls it that in the biz and caps are plastic on a lot of units not metal unless carrier brands Payne Bryant etc and it's not a battery it's a capacitor it's storing a short high charge and that hard start should have a relay the comp will die from the excessive amps and maybe it's just a video but dear God that outdoor condenser coil is so filthy get a water hose and spray that mother off you will never get an accurate freon reading like that

Sam Sung says:

Thanks for your amazing video….

Daniel Pappan says:

The fact he's using a Milwaukee driver is all the proof you need. He's legit 👌

Juan Rodriguez says:

This man seems to really care about what he does. Awesome and informative video!

Tom Trinh says:

You are awesome, thanks, I wonder if you can give the tips to troubleshoot the condenser keeps running when the inside unit stops or the or the cooling temperature is reached. Thank you so much 😊

new thing! says:

This bro all about honesty!!! Some guy don't give the right info just basic and when we start doing it and we get stick halfway and don't know how to finish the job…

neverendingstudent says:

As a generalist contractor / low voltage guy who just wanted to fix his own AC: thank you, this was all quite helpful, ESPECIALLY the 'pause the screen' more detailed explanation bits. Before, I did not understand why capacitors were needed for common HVAC motors. Now I understand how they are used to take single-phase AC to give dual-phase to a motor and why a motor won't run if the capacitor dies.

Ping Pong says:

How does the unit switch between heating and cooling mode?

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