HVAC Training Basics for New Techs: Gauges, Pressures, Temps, Check the Charge!

Im 33 and will be 34 in mid Feb of 2024, and I recently decided to pursue a future career in HVAC Technician. I have not received any HVAC trade school training and I havent started an apprenticeship yet. One thing that I have going for me is that I graduated with an associates degree in applied Science in Dec of 2010 with a 3.3GPA. That was 14 years ago!! I have to dig deep and find the motivation to become the best HVAC Tech in my area. This video is EXTREMELY WELL DONE!!! Very clear and concise. The man narrating the video didn't make a single mistake and these videos are going to be key to my success. I literally decided yesterday that this was my favorite skills trade from all others that I have researched. Also, learning all the names of the tools was even new for me, especially since I was previously in the medical field. I needed a change. Thank you for posting these videos AC Service Tech LLC. When i get a basic understanding of this field, then I plan to seek out apprenticeship opportunities in my area. How difficult is it to get an apprenticeship today? ......and Could anyone please give me some advice? Thank you!!! I encourage all to keep pressing onward!

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Your talking saturated temp with compressor off, lol

Great video. Would have been perfect had you inserted the actual numbers in your example to determine if you needed to add/recover refrigerant.

What if wet bulb is 50 f and ambient temp is 80f

awesome videos and explanation thank you!

I just got scammed by this master HVAC and now I am here learning for free and I got my license but dont know how to do jack shit im pissed off lol

Good vedio sir 🙏😘🇮🇳

AC Service Tech iz … da best.

As always I like your videos and I do maintenance on residential units hopefully one day become fully Service technician… thanks

Fourtenay is killing me😂😂

I may be getting an hvac job next month. Im really green basically don’t know anything. Im trying to learn a bit before I get hired. What’s the basics I need to know as a helper/apprentice. Cleaning condensers what else?

Great video for someone getting started. Thanks!

If the refrigerant is contaminated how do you know what gas is in there..

Whats a 4tinay?

The way you say R-410A is very interesting. Where is that accent from?

does the superheat and subcool method work on on refrigerators and freezers such as helmers, specifically ones in labs? when checking for charge

I’m 36 but I’m keeping going to lean

Me neither.

pls help me with powerpoint file

Why is the vapor gage calling me a retard

Hey can I just study the book and take a test online for my HVAC certification? I work in apartment maintenance and I'm already doing HVAC work for the last 2 years

I got the e-book. downloaded to iPhone and got garbage. It just does not work in the iPhone at all. I tried in a Windows computer and I have to install Adobe Digital Editions. I can see it but no way to resize letter, no way to search. That is not what is advertised. No way to get help from a human being either.
Any comments?

August 25th I start my school training going into HVAC, I'm gonna bust my butt trying to learn as much as possible and not think about how hard it might be, but stay motivated and push through💪

I’m 15 been working for a few months but this is helpful

And do you realize that not one of you experts ever mention that the temperatures you read in them two gauges are not at all related to the temperature a person sees on the wall of his kitchen, outside or in his car or in his fridge or his freezer or whatever, especially when the system is running, the meaning of them temperatures become clear which still never stated.
And it looks like this:
The evaporator temperature reads 40 degrees and at the time the refrigerant leave the evaporator it is at some whatever 60 degrees. I bet no one even questions what the heck is wrong with that statement.
Here I am and wondering the my fridge is colder than his evaporator when it is at its warmest reading, it is at 40 degrees while 35 degrees as a rule and my freezer air and not the evaporator is -10 degrees.
Outragous. Isn't it.
I say if your evaporator is 40 degrees you need a new fridge or living in a different universe if you think that it will freeze my dam icecream which mind you better be or you won't get a nickle from me fixing my system.

If this is basic class I am toast. Is there anything lower than basic?
You take your pressure and you bring it to the inner ring? How in the world do you bring something that is pressure inside some whatever it is and you bring it to the inner ring.
If I was on the phone and told someone, hey Mo, bring that pressure to the inner ring.... go figure. He would be mumbling.. where the heck this guy learned how to speak. But we don't do that to experts. oh my. what you crazy? huh?
What would be wrong if you said it properly like this: Simply look at the indicator and see all the values it is sitting on and that will give all the matching temperature of different refrigerant corresponding to that pressure. There is absolutely nothing wrong whatsover in saying it that way. It does not take any longer in saying it and only once and better yet, it is crystal clear and obvious and even a moron will get it in one second and finished. And there would be no need to memorize some special inner circle lingo bullshit nonsense that has no meaning in the first place. Bring down the pressure to the inner ring. Calliing them ring continously does not make what is, some especial new knowledge or find.

Hey, just because you talk fast does not make you a big shot. In my book it makes you disrepectful and arrogant. There is more than one way to bulldoze people and that is all of you, not just you, knowledge authorities do. Big fat ego. Is that how you talk to your girlfriend or your brother who used to beat you and stompped on you because you were too cocky to do a simple thing he asked you.
This is not good, is it?
I can bet you that if I asked you a simple question, a very straight forward question about energy, temperature, heat, thermodynamics, enthalpy and whatever else that goes with it. you wouldn't know if you were coming and going.
Learning terminlogies and repeating them is not the same as knowing what on earth is actually going on and what it is all about. But the sheeples who also want to be like you will do the same and if they can manage to hang long enough they might learn to read and follow instruction and breath them terms over others who then are not outsider who know nothing and deserve whatever that goes with it in terms of treatment.

Many seldom think about the accuracy of their pressure gauges or temperature measurements.

Gauges can be bought with specs from +/- 0.1% to over +/- 1% accuracy. Cost of gauges is usually in relation to their accuracy.
1% accuracy is about +/- 3 psia at high side pressures. That translates to about +/- 1 deg F uncertainty in vapor temp.

Thermocouples of K type (yellow) have an accuracy of about +/- 4 degs F for typical air conditioner temp ranges.
Thermocouples of T type (blue) have an accuracy of about +/- 2 deg F for typical air conditioner temp ranges.
If thermocouple meter can change its thermocouple type setting, it is better to use the blue T type thermocouple versus the commonly used yellow K type thermocouples.

All this is before user errors induced by reading gauge scale off angle making reading a little high or low from angle between needle pointer and scale, and. not providing a good thermal connection between thermocouple and copper tubing due to dirt and corrosion of tubing.

Think about this when unit specs a subcooling range of 8 to 12 degs F and your test equipment cumulative temp/pressure reading accuracy is +/- 5 degs F.

Looking forward into learning & being successful in this field if in God will 🙏🏾 any tips?

Dude sounds like George Lucas

Excellent video, thank you.

My first day May 9th. Wish me luck guys I’m 22.

Dang you could call my dog with that whistle in the narration 😂

Hi,Craig,I have two questions for now the first is when you connect gauges in heat pump where you connect the high hose gauge straight to reversing valve fitting or to fitting of the liquid high line and low side hose gauge to low side vapor fitting.The second question is about the vapor state of refrigerant when you use it and how to proceed to let the vapor enters to the sister.Graig I wil appreciate you prompt to me.

I saw retard on the blue gauge and now I can't get it out of my head

I am 20 and starting my classes next month I know nothing about this I didn't see myself in college this will be the first actually man thing I do I grew up soft but I will try my best.

You really KNOW your subject matter!

30 years old and I’m jumping into the HVAC career field start school end of the month . Wish me luck ! It’s never to late !

I’m 41 and I’m starting A/C school on Sunday.. am I too old to learn this trade??

Can I be able to measure with this tool Testo 405i Outdoor DB Temp and Indoor WB Temp, and what is proper way to do measuring on Mini Slit systems. I really appreciate what you doing regarding education us here on YT-.

Just i got confused line temp :ambient temp and saturated temp;
Are they same or different.
To be honest ;not great video; the numbers are so small and you did not explain very well regarding temperature.

I am trying to learn how to fix my fridge and a/c by myself. These HVAC guys are blood sucking low life leeches. They want $850 to fix a pin hole leak on the copper pipe and recharge the gas when the fridge is $3800 brand new and $500 second hand. Simply cut and weld a new piece of copper pipe which can be done in 2-30mins plus recharge and testing, I am looking at 1.5hrs labour here.
Good video thx!

First day on the job at 30 never done this before but according to the guy I'm training under this is good information

R Forteneye

hvac have scope plz guide me ... sir ....

I bought quick guide troubleshooting card through Amazon. Under TXV Metering device in cooling mode, go to scenario and go down to Outdoor coil: low airflow or deteriorated, it says high under subcooling, I think that should be low unless I am misunderstanding. Could you please let me know? I appreciate all you do and use your info to assist me and my team. Thank You.

My first day is also tomorrow and I’m 29 so wish me also good luck lol. I went to school but they didn’t hardly teach us anything. I know basic things but not into detail.

In technical school do we do more hands on? Than individual work?