Top 10 Thermostat Related Problems! Heat and AC!

In this HVAC Training Video, I show 10 Possible Heating and Air Conditioning Problems that may be the Result of the Thermostat or Thermostat Wiring! If you think the Thermostat is the Problem on the Gas or Oil Furnace, Heat Pump, Air Handler Strip Heating, or Air Conditioner, Check Out this Video! 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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Other Thermostat Videos (Linked Below)

Video Playlists:
Inducer Motor Troubleshooting
Testing and Wiring Capacitors
Troubleshooting Blower Motors

Videos:

Videos: Thermostats For Furnace and/or AC

Videos: Thermostats For Heat Pump

Videos: Thermostat Troubleshooting


Tools I Use Are Linked Below!


Leak Detection:

Vacuum Tools:

Checking the Charge:

Flaring Tools:

Swaging Tools:

Brazing Tools:


Electrical Diagnosis Tools:

Nitrogen:

Service Valve & Port Access:

Other tool links can be found in the video description section.

[MaMa-qhdy]

Extremely thorough overview of common thermostat problems. As usual, very clear and concise with no unnecessary fluff. Many thanks Craig, and keep up the great work. Much appreciated!

[robertoherrera]

Thank you .. I fix my ac following you tips
The wire were strip back to far ( old owner ) my heat and cold were going on at the same time thanks you

[robertl.]

Very good video, thermostat is the last thing we consider on troubleshooting, most of time

[chitchatvn]

Thanks a lot. My furnace stopped working altogether and it was because of a malfunctioning thermostat which caused by one of the AA batteries leaking. Thanks again.

[gazan]

Excellent Explanation about thermostat... Professional and Didactic causes of problems in different thermostats. Thank you

[davidgibson]

Craig your videos just get better and better. Keep up the stellar work!

[amberg]

Such an understanding video for someone like me with a short attention span. I'm curious about heating system

[gilbertallenwoodwardjr.]

Look. My Wife is gonna turn me into a thermostat if I don't fix it😭😫🙏🏾💯

[RayRay-nbtn]

Great video for tstat trouble shooting. Lots of problems to choose from. Easy way to out rule tstat is jump it out, but then again you can have a short too.

[lisajones]

I love watching this guy, I've learned so much. Thank You!!!

[dunbartuason]

You are a very informative Technician very well versed & excellent explanation skills

[YS-cubf]

Wow hard core stuff. Very educational! I have nothing to do electricity but learned a lot from this clear and detailed video. Thanks!

[berto]

Best video I’ve seen on thermostat issues!!! 👏🏼

[bryantylerservices]

Ac seevice tech..
As always, great explanation of problems that can and do happen frequently with thermostats!
Very detailed and as always,
Informative video..
Thank you so much for your time and as I've said before..Craig, your a great assett to our hvac industry!
Blessing to you and.your family,
This holiday season!
Bryan Tyler Refrigeration
Helotes, Tx

[jeffreycaban]

Fantastic video and well explained in layman's terms.

[antwan]

I’m following only because you helped me and come to find out all it was, was the batteries lol. It’s working now lol, thank you

[daniel.gilliss]

Just had my thermostat shut down due the float in the Unit shut it off. The condensation pipe was clogged up.
The float shuts off the 24 volt.

[MrCeora]

My furnace wouldn't turn on, and I realized that the problem started after I had changed the thermostat batteries. Checked the thermostat wiring and thought that the excess dielectric grease that was on the male and female terminals was causing a problem, then realized that because of the awkward location where the thermostat
was mounted, that the display portion of the thermostat hadn't fully seated all the pins. If you didn't look at it closely, you couldn't see it wasn't seated.all the way It allowed me to run the fan, but not run anything in auto, therefore no call from the thermostat. Motto: Make sure the face plate is fully and evenly seated.

[Salty_Knuckles]

Great video guys! I don’t say that lightly, great video!