Gas Furnace Training Class! Basics, Operation, Components, Troubleshooting

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In this HVAC Training Video, I Explain Gas Furnace Parts, Gas Furnace Operation, Sequence of Operation, Troubleshooting Tips, and How to Diagnose a Faulty Furnace. I Cover Natural Gas or Propane Furnaces! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.
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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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Опубликовано:

29 июн 2024

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Комментарии : 175

@jimmylanders2175 2 года назад

Craig you have a true teaching gift! So much appreciate you providing all your information to us technicians. Thank you!

@acservicetechchannel 2 года назад

Glad you are enjoying the videos Jimmy! Thanks for your kind words!

@tycobb8621 2 года назад

I agree. I have learned so much from Craig. If you don’t have his book, get it, it’s very well laid out and has an insane amount of information in it.

@kevinbattaglia1841 Год назад

@@acservicetechchannel CDC C

@williamford204 Год назад

❤😊

@tiberio1352 Год назад

hello jimmy....my system is about 40 years old....works just fine but I have never seen a control board....the thermostat controls everything. Is that possible? Thanks

@bopeezy-4731 8 месяцев назад

It’s makes me mad I paid 15k for trades school when everything I learned was in this video smh 😢

@danielleottway9431 8 месяцев назад

15k!? That's wild. For a full ticket here, it's about 7g

@BOSS123631 7 месяцев назад

No lie g I’m down 20 learned more from my man here

@9ChefGerm7. 7 месяцев назад

I learned after my 10 months that we could’ve took the EPA on our own time. More than half of “Class” quizzes made by the instructor from these videos and the book

@Thetruth-mp3ug 7 месяцев назад

When I 1st got hired I was the only one that had an EPA(12 trucks), so the next week they called everyone in and payed for them to get certified! I was the only 🤡 that got 15k+ in debt for mine!

@dexal8368 7 месяцев назад

Same story here bro 😢

@conrad770 2 года назад

You're really creating a great legacy here Craig - it will live on even after your career is over. Sharing knowledge freely the way you do is one of the more noble things one can do. Bravo

@5822huron 2 года назад

Hvac techs don't die ...ever. lol

@sethoxley5851 Год назад

I’m a newer technician, just moved from South Carolina to Ohio. Your videos have been a tremendous help getting me up to speed!

@buckfidencoincidencetheori7200 Год назад

New hvac student here the sequence of operations in the beginning is a lifesaver. I’m sure the rest will come to me with experience

@acservicetechchannel Год назад

Keep learning and add one thing at a time!!

@YoDoneSa 7 месяцев назад

I have years watching and learning from a true passionate technician. I really appreciate the time you take to share your knowledge with us here. Because of your teachings, I have become a much more confident technician and my knowledge has been expanded. Thank you very much

@andrewd1795 7 месяцев назад

I've been watching you for years. These training videos are great. They have helped me so much. Thank you.

@jordancroom 10 месяцев назад

Your videos are outstanding and very educational. 2nd year service tech here and I always find myself coming back to your videos for refreshers and learning something new! Thanks Craig!

@acservicetechchannel 10 месяцев назад

Thank you so much for your kind words! It's awesome to hear that my videos have been helpful on your journey as a service tech. The fact that you're finding value in both refreshers and new insights means a lot. Keep up the great work in your second year, and remember that learning is a continuous process in this ever-evolving field.

@jjjames5089 Год назад

Your knowledge and the way you deliver that knowledge lends trust in what you say to be true. With your teaching and a lot of effort anyone could be a professional HVAC tech. Keep up the great work, and thank you.

@acservicetechchannel Год назад

Thank you so much JJ James!

@carloshumbertocallejas4027 Год назад

You tube should high value this content it is helping a lot of people to grow and be better or become a help to society.

@gmcxm211 11 месяцев назад

Wow, wow, wow, your videos that you are showing online are phenomenal. I was an aircraft mechanic for 20 years then I became a locomotive engineer for the last 16 years, now I’m retired. When it was time to replace a 30 year old furnace I thought why not just get a package AC/furnace unit. After installation, (installed by licensed personal) I opened the panels to get model numbers and serial numbers for warranties. I thought to myself what a mangled spaghetti mess of wiring, all of this just to run a furnace and air conditioner. After realizing the cost of any service call, I decided that I needed to learn how my furnace works. After two months of watching all your videos I’m able to identify what every wire does in my furnace and AC compressor unit. I know what each component does and the purpose of it. I'm still learning some troubleshooting techniques. At this point the only thing that I know that I will not even attempt to do is to, replace any component that will break the integrity of the refrigerant system. If anything needs to be braised/soldered, the cost of having that done will be close to the price of a new unit. Its better just to buy a new unit. I did take an AC course in collage for diesel mechanic in which we had to get a 608 certification. I don't know if you offer that or not, but this would be the place to learn on how to handle refrigerants Every homeowner needs to know how this equipment works, even if they're not going work on it, they still need to know how to maintain it. I can only imagine how many house fires were caused by homeowners neglecting and or being naive towards their furnace and AC units.

@lachcik5084 7 месяцев назад

"very much easier" ac service tech is one of my favorite channels

@Danny-fs1hk 10 месяцев назад

Craig is such a master teacher that it’s almost a joke.

@bulldawgfooliooo Год назад

The greatest part of knowledge, is sharing it… thank you sir

@brucefraser2803 8 месяцев назад

Yes ! Craig a want you to know you're the best instructor , and my confidence and skill level in the field is continuing to improve thanks to these videos .

@acservicetechchannel 8 месяцев назад

Thank you for the high praise!

@abdelmellouk7080 2 года назад

Craig, you're an excellent instructor. I was a teacher for 13 years and saw your passion for the trade and sharing the knowledge and skills you learned all these years. I went to BFIT in Boston to learn the trade. I am learning a lot from your videos. Plus I already both your books as a bundle but I didn't get the cards. I must have done something wrong when ordering. Great job!

@tankttehctiw8776 2 года назад

This is so excellent, I wish I had this when I first started. Great job, and thank you for this free knowledge

@guelphming3843 2 года назад

Great class for gas furnace, much appreciate your generous sharing with us. God bless you!

@erich1394 5 месяцев назад

Wow - this was such an amazing crash course! I learned that, once you break the system down to its parts and give context to those parts, everything seems so much simpler. I appreciate you for making this freely available!

@dionicioramirez1047 Год назад

Thanks for all you doing for this community

@supercareappliancerepair8538 Год назад

All the content on this channel is GOLD!

@coldfinger459sub0 2 года назад

Another one of your excellent videos saved to my favorites to be passed to younger technicians asking questions about this topic 👍

@stereosonix2000 2 года назад

GREAT presentation. Thank you for sharing your knowledge. Keep up the great work.

@eclecticlearner5943 Год назад

Awesome instruction, my friend. Clear, informative, and applicable. 👍👍

@gregmercil3968 Год назад

I’m going into my 3rd year in the trade, and into my 2nd heating season as a service tech. This video was a nice little refresher.

@tiberio1352 Год назад

greg...my system is about 40 years old....works just fine but I have never seen a control board....the thermostat controls everything. Is that possible? Thanks

@kaseasdasd5053 Год назад

*Love the size and it fits perfectly in a corner but **Fastly.Cool** the whole room. Really like how you can auto adjust how long you want the fan to be on. It is quite but highly effective.*

@keithcorbin4474 Год назад

Can you switch out gas valve electric heater element

@keithcorbin4474 Год назад

Reason why I'm going to do gas is too high

@rob8823 2 года назад

Great Video! On test leads with fluke meters I have often read a small resistance below one ohm. I only would replace the leads if that resistance varies and can add from there. Thanks for excellent lessons.

@EnjoyCalculus 2 года назад

Another excellent video. Thank you Craig

@jsnxng7578 Год назад

Great content, very thorough and informative. Thank you!

@bamboosmith4294 Год назад

Fantastic teaching

@paulelliott7373 Год назад

What an incredible history/educational lesson!

@acservicetechchannel Год назад

Thanks so much Paul!

@khayberadil Год назад

I love all your videos but this one is the best. Thank you

@nickyengle9668 2 года назад

Nice work,keep em coming Morris county NJ Native Thks Man!!!

@MrBababuwi 2 года назад

Thank you for sharing your wisdom!

@jimmysegovia2688 2 года назад

awesome Craig!!!!! thank you for sharing.

@wahid6725 2 года назад

Absolutely educational great job thank you so much

@deanmartin1966 2 года назад

Excellent video. Thanks for sharing.

@pbandjwrx Год назад

Your channel has helped me and everyone I know! Thank you!

@acservicetechchannel Год назад

That is so encouraging, thank you!!!

@johnzhang2059 2 года назад

Learned a lot, great video.

@georgetsetsakos6088 Год назад

Impeccable sir! Thank you.

@mitchwessell2167 Год назад

This channel has made me such a better technician. Thank you so much!

@tiberio1352 Год назад

mitch...my system is about 40 years old....works just fine but I have never seen a control board....the thermostat controls everything. Is that possible? Thanks

@gingerstrand6153 2 года назад

Always useful! Thanks

@myherocamus8847 2 года назад

Great lecture!

@royfields4836 Год назад

Hello, Craig, when will you come out with a furnace class book? Roy Fields

@renteria4540 Год назад

You're really good teacher.

@brianmcdermott1718 2 года назад

Real great video, packed with great tips and info. Thanks Craig.

@mplscarsales6652 2 года назад

Glad I found you you wouldn’t happen to have motorhome/camper furnaces handy would you that would be a very interesting component to learn as well will bring you millions of views .

@miltonmartinez4109 7 месяцев назад

is to good to be true ,I see it every season thank you r the best Snoowaircondition houston

@z8669zzz 7 месяцев назад

Excellent video!

@AminulIslam-zd3fv 6 месяцев назад

Best teacher ever I see Craig

@robertwynn3453 6 месяцев назад

Wishing all at ac service tech an early happy new year from the uk. Really enjoy your classes very informative.

@tphvac87 2 года назад

What a great video Craig! You the man! I greatly dislike smart valves 😂

@devtheedudee916 2 года назад

Starting HVAC school in about a week and I’m super nervous don’t know much but these videos are a big help 😬😬😬

@tankttehctiw8776 2 года назад

Ah if I had these videos when I first started it would have been such a breeze. He’s doing the course work for you. I would brainwash Craig’s videos till it clicked.

@jericosha2842 2 года назад

The fact that you care enough to watch this stuff and try to follow along means you will do just fine. Refer to these videos when you struggle. Even after you get hired. You got this.

@dwj7386 2 года назад

Watch "HVAC School" videos on refrigeration cycle and EPA 608. Fundamentals first. Expansion equals loss of heat and compression equals heat. One coil and fan distributes heat, another coil and fan distributes (loss of heat) cold. Fan speed/size, duct sizing, lineset sizing and coil sizing determines rejection of heat or (loss of heat) cold.

@tbejames5634 Год назад

How's school going bro??

@steve19841117 2 года назад

You are HVAC God.

@zabik7221 Год назад

Nice work!

@RichardBellII 7 месяцев назад

wow, that was a great video!

@MileeSimmon-db8ub 7 месяцев назад

I really love this

@skumbriev1ch 2 года назад

Amazing video, thanks!

@acservicetechchannel 2 года назад

Thanks Sergey!

@tayvonbrown1661 Год назад

Keep up the good work

@eman3208 2 года назад

Thanks awesome video!

@caryandgrace 2 года назад

Comment for algorithm. Will watch in full later. Thank you sir.

@waltherherrera67 7 месяцев назад

Extraordinario como siempre mil grscias

@tc281 2 года назад

Love it 🔥

@jrc630 2 года назад

Great very informative 👍

@TruthSeekerAi Год назад

this was great thank u

@acservicetechchannel Год назад

Glad it helped!

@Honeyman76 7 месяцев назад

Boy did I get a good laugh. Your story of when you went and pulled the silicone carbide HSI earlt on in your career. well.... I am only a second year apprentice, like you, I did the same thing recently and accidentally banged the HSI and it broke into multiple pieces lol. Great video!

@felixfernandez442 Год назад

EXELENT explanation

@TheRAMBO9191 7 месяцев назад

Im just here cause I'm interested. I'm thankful I didn't go to school for this. This is too much to think about. And this is just some furnaces. Didn't even get into boilers yet or anything else. Crazy how techs figure stuff out. Would drive me crazy. I get distracted very very easily.

@ricardosabillon995 2 года назад

Best training video!

@josearcila664 2 года назад

Como.ce.traduce.soy.de.venezuela.

@acservicetechchannel 2 года назад

Thanks Ricardo!

@HICDIY 2 года назад

Great info

@carloshumbertocallejas4027 Год назад

You one of the best .

@EurekaRecycler Год назад

Thank you, Best wishes

@acservicetechchannel Год назад

Same to you!

@robertwojtowicz933 6 месяцев назад

Very educational 👍

@ericallen3006 Год назад

You're my hero

@acservicetechchannel Год назад

That is quite a compliment Eric! I am humbled, thanks brother!

@caifanes1963 Год назад

Thanks!

@acservicetechchannel Год назад

Juan, thank you so much for your support!! So glad you enjoyed the video!

@ChrisWill Год назад

Whoah this video is legit no cap

@acservicetechchannel Год назад

Yeah the setup for that video was two weeks of work with two people and 3 full days of editing, plus the knowledge from the field! Thanks for your encouragement!!! Make sure to check out our website too www.acservicetech.com thanks!

@georgezhong624 Год назад

i have to say, this is so awsome and my gas furnace pilot light is off...then i know every part of it...thanks

@indiantraveller194 Год назад

Good sir

@billbennett2785 Год назад

Great video - thank you. I am going to replace the furnace in my home that is 6500 feet above sea level. What adjustments or modifications do I need to do at this high altitude? Thank you

@officialbankers4925 4 месяца назад

Good video

@bill98778 2 года назад

Thank you so very much for your efforts, I have a question, I see a part or two on the installed out on the return they have red wires and blinking indicators, what’s do you call that? and what the purpose of it? Thank you

@blouie0 Год назад

Thank you - Great video in explaining everything about the furnace! But I do not understand the explanation of the ground voltage drop test @52:35. Why is the check measurements are in ohms instead of volts? I think you may meant to say is that with the power on (120V), the voltage drop should zero (therefore no resistance ), but if instead the voltage reading is like 0.4 V then that means there is problem (i.e. there is unaccounted resistance somewhere)?

@overbuiltautomotive1299 Год назад

nice

@juanlagunesmendoza5813 2 года назад

Gran maestro lo siento pormi no se ingles pero es interesante arreglar esos equipos yo solo me dedico equipos de línea blanca

@infotechyeti 5 месяцев назад

I have a high efficiency furnace, according to the tech that came to look at it, but they think we need a new one and its a 2008 model lennox furnace. when do you think one would upgrade a furnace given the age of my furnace. Of course, like a car, one has to maintain it but im a new home owner and learning more each day about our home, including the furnace.

@GM-wf6el Год назад

Hello. Great video. I live in an apartment and the gas furnace stops working during a power outage. Can I connect a vehicle battery or some other power source to the furnace so that it will run during power outage? Thanks

@hazendismukesjr.8319 Год назад

The thermopil is a generator the pilot heats it and it generates milivolts

@wisconsinbush2940 Год назад

On that millivolt gas valve. How important is the wiring colors to terminals? Does it matter where the red and white wires go on the terminals? Will it work with red wire on th and white wire on TH TP?

@kinglion217 Год назад

Hello, I have a gas furnace and we bought heat pump a few years ago but can't find a person that can program it correctly to provide heat with two zones and be able to switch between gas and heat pump. Will be thankful for your input

@aux1z11 Год назад

I have one of those high efficiency goodman and it's like new yet but in the spring we ran out of propane so I didn't refill it till the other day and now it won't fire up as the igniter fires up but I don't hear no gas or see no fire, could the line have air in it that needs to be bleed out since it sat empty all summer ? when I get home today I'm going to pull the plug going to gas valve and see if I get 24v so of someone knows maybe what wrong with it let me know. also the red light is blinking code 1

@davemotohead1 Год назад

Hi, My gas furnace starts up like normal and after the main blower turns on and starts heating the house I notice the burner turns off for about 15 seconds then lights back up and continue turning on and off until the house is up to temp and then shuts off? I never noticed this before, is this a normal thing or is there something wrong and if there's something wrong what would it be? thanks, Dave

@nurdinsafe4441 2 года назад

Hi i have a quesition how i can remove vaccum without vaccum pum to the refrigeretor?

@revoevom1490 2 года назад

do you offer any type of online classes?

@petesilvestri 7 месяцев назад

I pack out bananas for a living but I’m finding this really interesting…

@EurekaRecycler Год назад

i have a 60% , it will spark and lite the pilot but will never open the main burner valve. I put and extra ground wire to the Flame Sensor and ECM, cleaned the flame sensor and still does the same. I have i think 3 terminals on the main gas valve, is there a way to put 24 volts to this valve to test it? ( I also tried to measure AC voltage to the flame sensor but had no luck. ) Thank you

@cardsfan-ym1bj Год назад

Check for 24 volts at main gas valve,if you have 24 the gas valve could be bad and sticking,if you got the 24 volt at valve you could lightly tap on gas valve and see if it opens,if you dont have 24 volts at valve,the control board could be bad

@searchingforaway8494 5 месяцев назад

Is there ANY way that a 90% natural gas furnace could be venting what smells like a faint smell of "car exhaust" or the like!? I feel like when my furnace is on blowing I can detect that. It is not all the time either. It only seems to happen when the temperature goes down to colder temps. Is it possible to have a crack or something like that in the heat exchanger or something that could cause this? Also, I feel that in the summer I can also detect something when the cooling unit is on blowing. I dont know what to think about all of it! ?

@miriamvivo4279 Год назад

I have a new burham steam boiler

@chuckmcdonald4950 2 года назад

Could you do a RU-vid video on a Crown Bimini Gas Boiler? Mine is a BWC225 with Honeywell MCBA14201D controller board, Honeywell Gas Valve VK8115V 1036 4, Honeywell Venturi? Valve VK8115F 1134 4, and Whatever the Factory Supplied Combustion Fan is (I don't have that info). Right now the burner flame is mostly ORANGE. So if I can't get it fixed,, it will be replaced and donated to you. Thanks, Chuck