Furnace blowing COLD air out vents - 3 MOST common causes!
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- Опубликовано: 4 июн 2024
- 1. How to test Pressure Switch!
• Furnace blowing cold a...
2. Blows COLD "MOST COMMON CAUSES"
• Furnace blowing COLD a...
3. Blows COLD - 90 Second air test
• Bryant furnace Blowing...
4. How to replace Limit Switch!
• How to replace Bryant ... 
Хобби
1. How to test Pressure Switch!
ruclips.net/video/pDc8prsNgJY/видео.html
2. Bryant furnace error code 33
ruclips.net/video/fMHvgBxDwm0/видео.html
3. Blows COLD - 90 Second air test
ruclips.net/video/_2i1cTWGpfQ/видео.html
4. How to replace Limit Switch!
ruclips.net/video/r9Wx9U7WnWg/видео.html
thank you
@@deannabruggman
You are very welcome, thanks for watching. 😎👍
where is my furnace 🙄
@@sandraspec1al
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@@DIYwithMichaelBorders I am serious ... 😩
Single mom here is very thankful for your video. I followed your steps and got my furnace working again, after it reached a low of 57 and once it started working again, my first reaction was.... thank god. My 11 year old son said, you need to thank the guy in the you tube video. Thank you 🙏🏼 very much for making this video.
Thanks for watching & welcome to the DIY Raptor Club. We really appreciate you sharing this. No more 57* 😁
Let us know if you have any questions, us fellow DIY’ers need to stick together! You & your son enjoy your evening.
We are always here to help. 😎👍🔧🔩
Too bad no one encouraged you to watch videos on birth control.
@@c_farther5208 To bad your parents didnt do same, or at least raise you to have some decency and consideration to other humans.
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You were paid to say this
Thank you so much for the video! I liked and subscribed now. Our furnace was blowing cold air and my wife was about to make the call to the repair man. I was like, "Wait!! RUclips has everything on there. Let me see if I can find a video for help." She gave me 30 minutes because its cold here in the midwest. So BAM!! In 15 minutes, my furnace is back to blowing hot air. Also, we are first time home owners so I am learning as the days go by. Thanks again!
You are very welcome Steve, we appreciate you sharing this. Awesome job!
It has been said that some work best under pressure. With you having a time limit of 30 minutes and successfully completing it in 1/2 that time, you have proven that to be true.
Again, awesome job & congrats on the first home. We are always here to help answer questions.
Hopefully many stress free days ahead for you Steve.
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What did u have to do 😊 which step
I was planning to make a service call first thing in the morning. Decided to check RUclips first and found your video. Thanks to you, I'm back up and running. Thanks!
Awesome, nothing better than a successful DIY project in the morning that sets the tone for a great day moving forward! 😁
Thanks for sharing this. 😎👍
Super concise and clear instructions. Great video.
Michael, thank you for creating an incredibly comprehensive video.
You are very welcome, and a special thanks to you for taking the time out of your Tuesday afternoon to share this, it means the world to us. 👍
Earlier,I mentioned that you forgot something and I replied saying that it was the “igniter” that is a most common problem, which it can be, it can get damaged really easy, but the most common problem that I have found of a furnace blowing cold air and the fan continuously blowing, is the “flame sensor”. It’s found sticking up through the bottom, in the back of the farthest left burner tube. It tells the control board that there is flame and if there is no flame, it will shut off the gas immediately. If this gets carboned up or dirty, it won’t be able to sense properly and the burner won’t ignite. The furnace will usually go on for 3-5 seconds, then shut off, then keep repeating itself, all while the fan continues to blow cold air. The “flame sensor” needs to be cleaned. This usually has a screw or a nut holding it in and is easily removed. Take it out and it will look like a thin steel rod, a few inches long with a couple of wires attached to it. Take a scotchbrite pad, a clean one, with no oils on it, and gently rub the dirt off until it shines a bit again. Give it a quick wipe with a soft clean rag and screw it back in. You may need to put the cover back on the furnace to make it start as some furnaces have a safety kill switch under the lid. Turn your main power switch to the furnace back on and it should fire right up like new. If you do things in your basement or home like I do, this “flame sensor” can get dirty really quick. I airbrush with paint which sends particles through the air and I also make bread with flour that travels through the air and these powders can settle on a hot flame sensor and burn their way onto the sensor, which makes it dirtier than normal. The buildup will stop the sensor from working. You should always keep the area around your furnace as dust free and clutter free as you can, as the furnace needs it’s room to breath, about 2’-3’ feet minimum. If you have boxes piled up, 5 feet high, 1 foot from the furnace, it won’t get adequate breathing space and will likely over heat, putting stress on all parts and is dangerous. I just had a problem with my furnace not heating and, l forgot when I changed the filter last and it was 4 months ago, and I was making a lot of pizza dough, with flour. So the filter got clogged with this floating flour being sucked in through the return air duct. I changed the filter and she fired right up with no issues. So if changing the filter doesn’t rectify the problem, your “flame sensor” is the most-likely next culprit and easy to clean. JUST MAKE SURE TO TURN YOUR MAIN POWER SWITCH OFF BEFORE DOING ANYTHING INSIDE THE FURNACE. Cheers
Your added advice is greatly appreciated. This is very helpful info for viewers. Hope all is well. 😎👍
Wow! Wow! I even don't know nothing about furnace, but reading your valuable info, I am able to understand a little bit. I will read again because I . New in all this things. Definitely I will by tomorrow a new filter. Ty so very much for this amazing information. God bless you and your family. Thank you again😇👃💖💐💗
i often get worried about reading comments with bots being the way they are now adays but just wanted to say thank you so much for this video. went from no heat to heat again in 5 minutes after watching this video. ❤️
You are very welcome, and we are honored to read this. A 5-minute DIY repair is amazing, great job! 😁👍
Heat is very important this time of year, and you saved a good chunk of money by making it a DIY project. Enjoy that rewarding feeling, you earned it. 🧰
I woke up to a cold Christmas morning! What luck! 😂
But because of your video, I was able get the heater back running again. Thank you for the video, it really helped.
You are very welcome, so happy to here we could help. Merry Christmas.
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Thanks a lot !! You safe my life !! I just took the fillet my furnace starting working!! You are da man !!
Very cool & welcome to the DIY Raptor Club. We appreciate you watching. Enjoy your day.
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Thank you! Was fix #1! We did some work in our house.... The extra dust choked the filter very quickly. Took out to test. Worked!
Nice, thanks for sharing this. Awesome job making it a DIY project. 😎👍
You are a big help, I will do exactly what you just said, your instruction are very helpful thank you.👍
You are very welcome, please keep us posted on your project. Let us know if you have any questions as you work through it.
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Just fixed my problem by replacing the filter! It was dusty from moving stuff around in the basement plus I learned that burning candles really plugs the filter too! Thanks for your help, my landlord is happy to save money lol
Good morning ☕️
We are honored to read this. Awesome job! You will continue to benefit greatly by making your projects DIY. A happy landlord is a bonus too. 😁👍
Let us know if you have any questions.
Dude you’re the freaking man! I was having this issue and it turned out my air filter wasn’t placed all the way in 🤦🏽♂️🤦🏽♂️ thank you!
Good morning ☕️ you are welcome. Great job making it a DIY project. That would have been a bummer to call a technician in…only to have them charge you $100.00 just to press the filter in place.
You will continue to benefit greatly by making your projects, DIY! 😁👍🧰
I'm currently experiencing this exact issue. We woke up to our house at 60, yet I had set the thermostat to 70 when we went to bed. So far, clean filter, most internal parts look like-new; as we had the furnace replaced only 5 years ago. Will try your next two steps. Thanks!
Thanks for watching, keep us posted. Looking forward to hearing back from you. If you need help finding a replacement part, let us know…we will need your furnace serial number.
Thanks for the fix. Mine was the filter. It was recently changed but I did not take into account some drywall and saw dust that accumulated from some weekend warrior work I had done got it flowing poorly.
Thanks for watching & welcome to the DIY Raptor Club. Sounds like you’re back up and running properly and efficiently. Thanks for sharing & enjoy your day Jeff.
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Thank you so much👌 house is warm now
Only had to change my air filter, and the furnace started working again. I guess my old furnace even has a self test. Thanks for the tips!
Great to hear & we appreciate you sharing this. Welcome to the DIY Raptor Club. Us fellow DIY’ers need to stick together!
Enjoy your day. 😎👍🔧🔩
Quick update. It actually stopped working again after a day or two, so I had to get a technician to come and fix it.
@@richesu1
Thanks for the info. Hopefully warm stress free days ahead. Thanks again for sharing, enjoy your night Richard.
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Thank you so much for this video. For about a week I have been sleeping in the cold. My furnace was burning but it was not blowing hot air. I watched your video and I did the troubleshooting you suggested. Now I am sleeping in hot air tonight. You got five stars.
Well done, a week in the cold has come to an end. Getting your furnace back up and running as a DIY project is a great thing…not to mention an incredibly awesome and rewarding feeling for concurring your DIY project.
We appreciate you sharing this on your Tuesday evening. Reach out to any time and hey if you’re into crypto trading, be an early participant in our newly launched DIY community ecosystem.
Toolboxtoken.com
Thanks again Harrison. 🧰
Which fix solved the problem for you? I have the exact same issue. Ty
Thank you for the helpful video. I had my filter the wrong way too. night and day different in the amount of air blowing through the vents after I corrected the air filter direction
Good morning ☕️ you are welcome. Great job making it a DIY project. 🧰
Thanks bro my filter was backwards! you are the man
Thank you for this! Air filter was the issue. Didn't know there was a critical point where the heating element would not turn on.
Thanks for watching, awesome job making it a DIY project and replacing your filter. 😁👍🧰
We love you sir!!!!! Thank you for sharing your knowledge 😃🤠😃🤠
You are very welcome, thanks for watching. Us DIY’ers need to stick together!
Please let us know if you have any questions, hope all is well with you and your family.
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You saved me a service call! My air filter was dirty from a flooring job that was done this spring. Thank you!
Good morning Michael, so happy to help. New floors are exciting. We will be getting new flooring soon.
Hopefully many stress free days ahead for you. 😎👍
Thank you for your lesson.
You are very welcome, thanks for watching. 😎👍
Thank you this video helped a lot. I was able to fix the problem with the first step
Good morning, we appreciate that. We are drinking our morning coffee answering any and all questions for the DIY community. Nailing it on the first step is a WIN!!! 😁 Let us know if we can help.
Hey if you’re into crypto trading, join our newly launched DIY ecosystem.
Toolboxtoken.com
We DIYers need to stick together! 🧰
your advance really helped. thank you
Great to hear & we are so happy to help. Us fellow DIY’ers need to stick together! Hope all is well! 😎👍🔧🔩
Thank you for the tip! I will check my filter first in the morning. Mine stopped working yesterday.
Thanks for watching & welcome to the DIY Raptor Club. Keep us posted after replacing your filter.
Enjoy your day. 😎👍🔧🔩
Yes my heater blower wouldn't stop until i installed a new filter, so that was the solution for my client's heater, thank God and thank you for the video.
@@victorvasquez8781
That’s a great update & thanks for sharing this. Sounds like you’re back up and running. Enjoy your night.
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🤦 my filter was in the wrong direction. Thanks buddy🤙
Thank you👍.
Good morning, you are very welcome. Thanks for watching. 😎👍
I have a Rheem Criterion that started blowing cold air. I noticed the igniter stopped working and no gas coming out when blower kicked on. The air filter (kitchen ceiling intake) was dirty so I replaced. Also replaced igniter, limit switch, and pressure switch. I cleaned the flame sensor and checked condensate pan…no water.
Also troubleshot the circuit board, appears good.
What am I missing?
Sir, great video! I have an air handler by first Company 36HBXB-HW which blows cold air when I’m asking it to blow hot. I see the switch rotating to open the hot water valve “this unit uses hot water to heat”. I have those V-shape aluminum filter grid that I cleaned 3 years ago and noticed they a little dirty but not super dirty. I do use external disposable filter as well. Could it be the v-shape needs to be sprayed and clean? My AC works fine btw….
Thanks for watching & welcome to the DIY Raptor Club. A friendly cleaning goes a long way. We also recommend verifying all wiring is properly secured by their respective screws.
The vibration of the electricity inside wires can loosen the screws over the years. Keep us posted.
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Thank you
Good morning ☕️
We are honored to read this this morning, much appreciated. Reach out to us any time.
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Thank you.
You are welcome, thank YOU. 😁👍
Thank you!!!!
Thanks for watching & you are very welcome. Let us know if you have any questions, enjoy your day.
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You just saved me $$$$ Great vid
My furnace runs good for a while, heating the house, but now is blowing cold air again. Does this every day. The LED comes on at the furnace, showing an error. Does this mean that my filter is in backwards? If it was in backwards, it wouldn't blow heat at all, would it?
Thanks for the video.
Thanks for pointing out that you grabbed a flashlight. It's not like I could clearly see that there was light now, when there wasn't before. That's good information.. thanks
You are so very welcome...🤣...love your humor. Let us know if you have any questions, us fellow DIY’ers need to stick together!
Hope all is well with you and your family, enjoy your upcoming weekend.
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WOW! IMMEDIATELY IT WAS THE FILTER LOL. THANKYOU
Great to hear & we appreciate you sharing this. Welcome to the DIY Raptor Club. Hopefully a stress free weekend ahead for you.
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hahaha same here.
@@gertoise
Thanks for watching. 😎👍🔧🔩
Simple explanations. My filter was gross. I am normally great at changing it. Not sure why I missed that for so long. I turned everything on again. I am not gonna dig into anything if this doesn't work because I am currently renting. I hope this works because I am 🥶
Thanks for watching & welcome to the DIY Raptor Club. We definitely understand. 😎👍
Thank you, you saved me at least $300
Awesome, well done making it a DIY project. You can spend that money on something more meaningful.
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would a bad ignitor work sometimes? my furnace is occasionally running cold. If I restart, it will work again for a day or so and then have a cold cycle.
Same problem. Did you find the solution? Thank you
Excellent explanation. I think they installed my air filter backwards
Good morning, just poured a ☕️ and am sitting down to answer any and all questions for the DIY community.
Thank you so much. A backwards installed air-filter is not ok…😲…well that’s a nice reminder that if you make it a DIY project and go slow and be precise, you can do a better job than the mechanic that you paid. You will continue to benefit greatly by making your projects DIY.
Let us know if you have any questions and hey if you’re interested, join our DIY ecosystem and help us grow an exclusive group of DIYers.
toolboxtoken.com
Reach out to us any time! 🧰
Hi I seem to be having an issue with cold air coming through the vents when I turn on the thermostat. Eventually the heat will com on but it seems the fan runs longer than it should. Could it be an airflow/venting or thermostat issue?
They cleaned the coils in the furnace and it seemed to work so far. My furnace had the same symptoms.
Is the heat supposed come on immediately after the 90 second test? I changed the filter but the vents still continue to blow cool air constantly so I'm not sure if it takes a bit to warm up again or if i should check the other things?
Thanks for watching & welcome to the DIY Raptor Club. By chance is your furnace giving off and error code? Is there a light that is blinking and how many times is it blinking?
I had someone say after tstat was satisfied the blower stays on and towards end of blower cycle cold air was shooting out. The fan limit was set 95/140/200. Should i up the fan limit adjustments and if so what settings?
Thank you so much!
You are very welcome. Thanks for watching Christina. Enjoy your day.
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single dad here thank god i found your video my new born babay would of froze
Good morning, awesome job getting that furnace fixed to keep you and the baby warm. 😎👍
Not sure which black tb your referring to can you use a pointer please ?
Good morning, we are drinking our morning coffee answering any and all questions for the DIY community.
Not 100% understanding the question, can you clarify.
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Is there much of a difference for electrical furnaces? We get cool air blowing but it does heat the house.
Thayne Lybbert
Thanks for watching. Will be very similar in terms of routine upkeep & operations. Definitely let us know if you have any questions.
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@@DIYwithMichaelBorders ⁰
jerad weaver
Thanks for watching! 😎👍🔧🔩
Lo
Hi, my Americal Standard Gold series furnace starts blowing out cold air everytime when in restarts after reaching the max temerature set. Why?
Thanks for watching & welcome to the DIY Raptor Club. Great question & and hopefully we can help answer this.
Your furnace will run a pre-heat ventilation test to ensure that your system is receiving the proper amount of ventilation/air prior to igniting the burners.
During this test, the blower motor is running and pushing room temp/cold air through the system and out of the vents.
Once the system confirms it has proper ventilation, it lights the burners and begins pushing heat out of your vents.
Once the home is heated to the preset temperature on your wall mounted thermostat, your furnace turns off...however...the blower motor continues to run for a few minutes to push any and all remaining warm air inside all of the ductwork and out of the vents into your living space.
No warm air goes to waste. Hope this helps. 😎👍
You know what happened when my “high limit switch” was not turning off the fan. I cleaned the filter and while waiting for my “new limit switch” to show up, I thought, what the heck, I pulled out the “flame sensor”, and as I was removing it, I noticed that the screw holding it in was very loose. So I removed it all the way to clean the sensor, it was pretty dirty, I put it back in very tight and I have not had a problem with the flame sensor or the limit switch and my furnace has been running like brand new ever since. Maybe the flame sensor was sitting on a diagonal, and wasn’t correctly sensing the flame and it caused both to malfunction. It was a good thing too, because they sent me the wrong “limit switch”.😜👍😉
Thanks for watching & sharing this, it’s definitely possible. It’s great to hear you’re back up and running. Awesome job making it a DIY project. We hate when companies send us the wrong parts...😫
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@@DIYwithMichaelBorders How it fixed the problem, blew my mind. I didn’t know these two parts work together. The next time it happens, the “flame sensor” is what I’m checking first. Actually, I emailed the company that I bought the “wrong sensor” from and he told me that I can still use the “high-limit switch” that they sent me, but it just has a narrower sensor field than the one that’s in there. Which is good to know, now I have a spare one. I did tap the back of the “limit switch”, maybe that’s what made it work again, but like I said, it’s still working today. Cheers
@@flashy5150
We appreciate you reaching back out to us & sharing this. Hope all has been well. 😎👍
tuned the air filter the wife put in and bam hot air lol you live and learn :p good luck to everyone else watching hopefully its the same simple problem
We appreciate you watching. 😁👍
Any insite on a furnace throwing a rollout code? We reset it but it just trips again.
Thanks for watching Halley, you either have a faulty Rollback switch/sensor or you are experiencing actual rollback with your flames inside burner compartment.
Below are a few helpful videos explaining more on this.
ruclips.net/video/uTroeenmVKQ/видео.html
ruclips.net/video/DVR7wUdfCEA/видео.html
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What if i removed the filter and run it without it until i can get one a few days later, will it work in the mean time
Thanks for watching & welcome to the DIY Raptor Club. You will always want a filter inside your furnace. We recommend removing old filter when you get new filter and installing new filter.
The filter helps catch several things including miscellaneous debris being sucked through your duct work that could possibly harm the internal moving parts of your furnace.
Keep us posted on your project.
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Dude, my armstrong furnace will go into a constant blowing cold air mode after it reaches the temp set at thermostat, sometimes it will do that before it gets to the set temp, especially if it is a temp swing from say 66 to 70..........filter is clean, changed high limit switch, still fails. Could a dirty evaporator coil be the trouble, or your thoughts,thx
Thanks for watching & welcome to the DIY Raptor Club. It’s very possible. By chance are any of the vents blocked, covered, or closed...?
Believe it or not a blocked vent can lead to this how odd that sounds. Keep us posted.
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@@DIYwithMichaelBorders Thanks again, all vents are open.......if I put the blower at hi speed would that help ? Seems the higher I set temp at,the more it fails........it will run good all night at 66, but it struggles to 70.
@@gregmaliska5295
Thanks for the reply. When furnace is running, do you notice any sporadic behavior in regards to the flames aiming downward through burner tubes?
You will notice sensors on each side of your ignition housing where burner tubes are. These sensors act as safety sensors. Anytime the flames are not efficiently aiming downstream, your sensors will pick up on the sporadic imbalance of heat and shut the system down... however your blower motor will still run for a while which will lead to cold air coming out of the vents.
Keep us posted. 😎👍🔧🔩
@@DIYwithMichaelBorders The left tube ( there are 3 on my Armstrong furnace ) doesn't have a pure blue flame, seems to be coming back toward the tube, has mixed blue and orange colored flame,bty when furnace is in the cold blowing mode, I have to engage the reset button to stop the cold blow condition. Too bad I can't send a photo of this to you on youtube.
@@gregmaliska5295
Thanks for the reply & that’s a great update. Sounds like you may need to perform a slight adjustment on your burner flame.
The sensor closest to the burner tube with sporadic flame is shutting system down for safety purposes.
There are several helpful videos on adjusting burner flame. Keep us posted.
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mine was a clogged condensation trap, very easy fix.
Easy DIY fixes are the best. You saved money and earned yourself that amazing rewarding feeling.
Looking forward to 2024, many more helpful videos to come. 🧰
Furnace filter arrow needs to point toward the furnace ?
Thanks for watching & welcome to the DIY Raptor Club. The arrow will feed in the direction of air flow, toward furnace.
Hi...malibu 2013....the fan working with car start....and not stop after off for minutes.
Thers no heat vale.
Aa A
Thanks for watching. You may need a new Resistor. Keep us posted.
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What's the problem when your furnace blows cold air only sometimes throughout the day?
Thanks for watching & this can be a # of different things.
1. Clogged air filter
2. Intermittently working Limit Switch
3. Intermittently working ignition system
We recommend replacing air filter 1st. If that doesn’t solve problem, it’s time to replace the Limit Switch before it fails all together. Below is a link to our video showing the replacement of Limit Switch.
ruclips.net/video/r9Wx9U7WnWg/видео.html
Hope this helps. 😎👍🔧🔩
What do you do if your igniter fails?
Thanks for watching & welcome to the DIY Raptor Club. We recommend replacing Igniter. Below is a link to our video showing replacement of part.
ruclips.net/video/tSdZhrUz6bU/видео.html
Enjoy your day! 😎👍🔧🔩
How about if u have the burn on but your not getting hot air
Thanks for watching, any update? By chance do you hear your lower blower motor and fan turn on? If not, that may be the issue.
I need a little help so at my mobile home it's a gas furnace and it has a flame sensor igniter and the ignitor glows red and the flame comes on also the inducer is running and then the blower turns on but when the air comes out of the vents it's not hot it's very mild I changed the filter I cleaned out the little slot vents on the closet door where the furnace sits behind I cleaned the blower motor to cuz it was dirty so I cleaned it but the are still very mild it's not hot
Good morning & welcome to the DIY Raptor Club. Any updates?
The most common cause of this is the wall mounted thermostat is not set to AUTO.
Let’s start there. 😎👍🔧🔩
@@DIYwithMichaelBorders alrite I'll give it a shot
@@drizzzzy12
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1 WEEK AGO- my basement starting getting COLD drafts. As in I went from wearing a shirt, to 2 sweaters PLUS a winter hat. I can feel the breeze. Even upstairs main level - -- I feel some cold breeze. BUT....my heat is working! There's warm air coming from vents. I've felt every vent in the house - NO cold air from there. I do hear a 'thud' once in awhile I assume it's from furnace. Based on these clues - is it possible the furnace or HVAC is responsible for this sudden cold-ness in my house? BUT if so - and cold air isn't coming from vents ---where the heck could it be coming from? Appreciate any opinions...maybe it's not furnace and it's something else but this is weird, just started a week ago.
Good morning, just poured a ☕️ and am sitting down to answer any and all questions for the DIY community.
We appreciate you sharing your experience. It’s possible that the furnace filter is a bit dirty and ready to be replaced. Since warm air is coming out of vents, your furnace seems to be working properly…🤔
The loud thud is a bit concerning if it’s extreme however when the furnace turns on, the built-in capacitor helps alleviate the electrical hit (thud) on system. This prevents your lights from dimming or flickering every time furnace turns on. It’s possible that a faulty capacitor is causing issues. Keep us posted.
Let us know if you have any questions and hey if you’re interested, join our DIY ecosystem and help us grow an exclusive group of DIYers.
toolboxtoken.com
Reach out to us any time! 🧰
@@DIYwithMichaelBorders Hi. Had it serviced. New filter. Today it's March 13th. 60 degrees outside. I just went to basement I couldn't sit for 5 minutes it was that cold. Any ideas? Thanks. (I had a free Dunkin coffee just now from my app points so at least that was a win :)
@@MPDLR
Thanks for the follow up, Dunkin coffee sounds good. You mentioned you had it serviced. What all did technician do other than the filter replacement?
He changed the "differential' which he says means that less cool air comes out before the heated air comes out. BUT the basement is freezing still and honestly, I feel cold breeze on the main level too. I asked him if ducts in basement could be leaking - he said no way because then I'd not get heat on the next level up. All I know is even now - it's 60 outside. I bet it's 45 in basement.
@@MPDLR
Thanks for the info. Do you notice any inefficiencies with the burners and flames? Any sporadic or weak flames?
The burners should have perfectly straight and managed flames being sent downstream toward the chambers.
It's 18 degrees in my home and I need it at a nice toasty 24. Hopefully this works
Thanks for watching, that is chilly.
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So my vents at my tenants have been blowing cold air every 20 minutes or so but the furnace/thermostat both haven’t been turned in a few months........ any idea of what the problem could be?? Hopefully a quick and easy fix
Thanks for watching & we appreciate you reaching out to us. How old is filter? A dirty filter will cause this exact furnace behavior.
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@@user-ey7uq5vf7i
Thanks for watching. 😎👍
My furnace will turn on in the off position and blow cold air. Do you know what could cause this?
Thanks for watching & welcome to the DIY Raptor Club. Its normal for your furnace to turn on and blow cold air for the first 2 minutes or so.
Once the system verifies it has proper ventilation, it will then ignite the burners & provide heat. After your thermostat senses that your home has heated to the preset temperature, it will turn off your furnace.
Once your furnace turns off, your blower motor will continue to run for an additional 2-3 minutes to ensure all heat is pushed out of the ducks and into your rooms.
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my furnace is not only blowing cold air but it seems my thermostat isnt controlling it anymore. i turn it off through the thermostat and it keeps running. i took off the thermostat face cover and furnace/fan still running. i have to call an HVAC service as i have no clue and i dont want to mess with wires.
Thanks for watching & we appreciate you sharing your experience. Please keep us posted on your findings after HVAC company visits.
Do you remember what the issue was? Mine is doing the exact same thing
On the heat setting, my vents keep alternating between hot and room-temp air. I set the temperature to 72 but it’s mostly staying at 66 degrees give or take a couple degrees. Any idea what could be causing this problem? I tried reprogramming the thermostat so the schedule/temp is set to 72 all the time. But the highest it’s gone since i had this issue is 69 degrees. Any help would be much appreciated!!
Thanks for watching & welcome to the DIY Raptor Club. It’s very possible that your internal sensors are detecting erratic flame behavior.
Once flames are ignited, they are to be evenly & efficiently directed inward toward furnace. If flames get even the slightest off set, the sensors turn system off.
Keep us posted. 😎👍🔧🔩
I have the same problem
Also same problem 🥶
Same problem
Help!! My situation is different! It keeps blowing HOT AIR when off? It gets soooo hot in the living room we can’t even sit in there! It’s horrible. We even have ac units in the window but it does literally nothing 😓 plus it’s 111 here in california. At night it stops blowing hot air though. Idk HELP PLEASE!! 😭
dk if you look at comments still for this, but what if it has a roaring flame,, filter is new and very clean,,, but after about 30 mins blows cold air... still has roaring flames tho... any suggestions
We most certainly do, and good morning. Just poured a ☕️ and am sitting down to answer any and all questions for the DIY community.
It’s normal for system to blow cool air in the very beginning as well as the remaining 90 seconds after burners cut off. In the beginning, the inducer motor and fan are running and performing a pre-ignition test to ensure all systems are a Go.
On the tail end of the cycle…when the furnace has brought the homes temperature back up to the pre-selected temperature set on the wall-mounted thermostat…once the burners turn off, the system continues to blow air for 90 seconds or so and push all remaining warm air out of duct-work as well as perform its own cool-down phase. Kinda like a workout on a treadmill…after a 30 minute jog, the treadmill has you do a 5 minute cool-down.
Is your furnace bringing the home’s temperature up to the pre-set temperature and then blowing cold air as mentioned above? Please keep us posted, we are here to help.
Let us know if you have any questions and hey if you’re interested, join our DIY ecosystem and help us grow an exclusive group of DIYers.
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Reach out to us any time! 🧰
@@DIYwithMichaelBorders the thing is it will stay hot when we go to bed but at some point in the night it starts blowing cold air? Even with the furnace blazing fire haha. weirdest thing is,,, if we take the filter out half way it doesnt happen... We even tried getting the lowest rating one thinking the one we had was too dense or whatever..
@@The_Vulcaneer
Thanks for the follow up. We actually have a video on that exact issue. (Furnace only works when filter is removed). Link below.
ruclips.net/video/5NbjO36uxNE/видео.htmlsi=tATaWRq4-5brkEcj
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Yep! the filter is most of the case the cold air problem. A quick test is to just remove the filter. And Bam! hot air
Thanks for watching & sharing your thoughts, we appreciate it. Enjoy your day.
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@@DIYwithMichaelBorders You help a lot people with your tips! Have a great holiday!
@@InteractiveDNA
Wouldn’t be where we’re at today without our viewers. A special thanks to you and all of our viewers, enjoy your holidays.
@@DIYwithMichaelBorders Great! I am soon giving a free stream setup app built on top of stream controller switcher.
HVAC guys cleaned dirty furnace coils with something that smelled like Simple Green on steroids. It seemed to work.
Good morning, we are drinking our morning coffee answering any and all questions for the DIY community.
That’s great to hear it’s working. Simple green definitely has a unique smell…🤔
Let us know if you have any questions, thanks for watching.
My problem is it blows hot air but then when it's about to turn off, probably 60 seconds before it shuts off, it blows cold air. What could be the issue?
The fan run with heat off to get rid of any gasses so u don't die from C O
Have an air conditioner unit outside of house, and when i turn on heat it blows cold. I changed the filter inside, now what shall i do? should i turn on/off the circuit breaker then see or what. We have been having a lot of power outages in my area, not only is not the unit blowing heat, the microwave is working but not heating up either. What's going on with all the heat?
Good morning & welcome to the DIY Raptor Club. Are any of your vents covered up by rug or other item? This can also cause this.
@@DIYwithMichaelBorders No vents covered up.
@@louiselove8982
Thanks for the reply. Next, turn wall mounted thermostat off & verify electrical switch located on side of furnace is off as well.
Remove cover panel & verify all wires are properly secured by their respective securing screws & electrical connection points.
Any loose connection points or wiring can cause electrical shortages & lead to system not igniting burners...blowing cold air.
@@DIYwithMichaelBorders Someone came out today and he have to order parts online. He said it was bad. I appreciate you.
@@louiselove8982
Thanks for the reply, which part did the technician mention needed to be replaced?
My furnace will blow out cold air for a few hours then go back to warm air, I'm in Indiana recent Friday it got down to minus 9 degrees. The office is closed were I live till the 2nd maintenance is on call but I'm being ignored.
Thanks for watching, have you replaced filter? Also check to see if your Flame Sensor needs to be cleaned. Below are helpful videos.
If interested in purchasing this part, visit our Amazon affiliate link below.
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😎👍🔧🔩
1. Purpose of Flame Sensor
ruclips.net/video/8xLJjl6A1O8/видео.html
2. How to Clean Flame Sensor
ruclips.net/video/f54hMWLa2b0/видео.html
3. How to replace Flame Sensor
ruclips.net/video/pevFMxi_lvg/видео.html
@@DIYwithMichaelBorders Thank you going to buy some new filters, and will check out the other videos. Merry Christmas
@@GhostTacos1975
Neat, looking forward to hearing back from you, Merry Christmas.
Can you tell what could cause my furnace to blow half cold half hot half of my house is blowing cold air and the other side is blowing hot. Can't figure it out.
Thanks for watching, have you replaced filter recently? The common causes for this is:
1. Dirty filter
2. Wall mounted Thermostat needs to be reset
3. Faulty fan limit switch.
Please keep us posted. Hey if you’re into crypto trading, be an early participant in our newly launched DIY community ecosystem.
Toolboxtoken.com
We DIYers need to stick together! 😎
@DIY with Michael Borders yup checked filter looks good not sure bout the fan limit switch how do you tell if it's even bad?
@@SuperAndrey33
Thanks for the reply, this can be accomplished by checking the continuity of the switch itself. It’s location will be near large blower fan.
I am renting a basement in a home and i think the landlord is turning of the heater. Its blowing cold air and then the heat will kick in for like mins then cool for 12mins and then 7mins mins and then it will be off again. Is it possible that she could do this. Because told me it was clean but its cold as hell.
Good morning, welcome to the DIY Raptor Club. There is a way to turn on just the blower motor with heat... in other words, the furnace will sound like it’s fully up and running however the heat is not being generated...it’s just the blower motor running & pushing air through system.
Below is a link to our video showing this type of option/feature.
ruclips.net/video/X5IxghVYhYY/видео.html
It’s very unlikely that this is happening in your case...but it’s still an awesome feature in some unique cases to be able to push/circulate air through house without heat.
Keep us posted on what you find.
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@@DIYwithMichaelBorders Thank you DIY for your prompt response. I will definitely do that, thank you again and have a great day
Just removed very dirty filter. So bad I couldn't clean it. My bad. I'll get filters tomorrow. In the meantime, the furnace won't blow warm air, just cool. Blows for about 5 minutes then stops. Should I deduce that it's the limit switch or igniter? I noted one of the commenters said it took 2 hours after changing filter for furnace to blow warm air.
Thanks for watching & it’s most likely the filter. Once the new filter is installed, and the system turns back on & runs it’s quick ventilation test, it should be back up & running.
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@@DIYwithMichaelBorders I really appreciate your input. I decided to get a furnace repair rep since I live alone, have no experience with furnaces and I'm lazy when it's cold outside 😉. I'll update you when it's all running smoothly. Btw, after triggering the furnace to run at least 10x (and it puts out cold air for 2-5 mins then stops), I no longer can trigger it to turn on. So maybe something else going on?
@@anitaholst7671
You are very welcome. Just in case, below is a link to a video that may help.
ruclips.net/video/f54hMWLa2b0/видео.html
@@DIYwithMichaelBorders Problem solved. My fresh air intake pipe is nested inside the air outflow pipe (so it sort of floats). It had become dislodged and was resting on top of the opening of the elbowed, branched off fresh air intake pipe inside the house (inside house, the two are separated). So the repairman glued the fresh air intake pipe so it would again "float" and not block the branched off fresh air intake pipe. $159 for 40 minutes troubleshooting and gluing and a new filter.
@@anitaholst7671
Thank you for taking the time to share this. That’s great news, back up & running. 😎👍
Do electric furnaces have igniters?
Thanks for watching & welcome to the DIY Raptor Club. They sure do. We hope the video helped. Let us know if you have any questions, us fellow DIY’ers need to stick together!
Enjoy your day. 😎👍🔧🔩
My luxaire furnace igniter comes on but the flame doesn't come on and no one code light flashes
Thanks for watching & welcome to the DIY Raptor Club. Two things come to mind.
1. Your Filter needs to be replaced. Believe it or not, a clogged Filter can cause your exact symptoms.
2. Issue with your Gas Valve. It’s very possible that your Gas Valve is faulty. However, a few things to check. The Gas Valve itself has an On/Off switch. Verify it’s on. Next, follow the gas line feeding out of the Valve and follow it all the way up to the shutoff valve. Verify it’s open.
Keep us posted. Enjoy your day!
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I just had my flame sensor, limit switch replaced and got a new filter but its still blowing cold air. I took out the filter it runs fine. What do I do?
Thanks for watching, is filter installed correctly? On the side of filter, reference the arrows. The arrows should be facing the furnace.
@DIYwithMichaelBorders I always install the filter with the arrow pointing toward the blower motor. It's been working intermittently blowing cold and warm air not staying up to the temperature set.
@@chynadoll09
Thanks for the follow up. We would try a different filter, even though you mentioned it’s brand new.
It’s possible that the gas feed is turned up slightly to high.
It’s best to have an HVAC tech adjust feed output.
@DIYwithMichaelBorders I had an Hvac Tech come a few weeks ago and they ordered a new flame sensor and limit switch. They also turned the gas pressure down while waiting for parts and it worked fine for three weeks then started to do the same thing right before the parts were replaced.
@@chynadoll09
Thanks for the update, we wonder if they need to adjust gas feed again.
Can you by pass limit switch
In emergency?
Thanks for watching, some say yes, others say no. We haven’t ever personally bypassed limit switch. Best not too. 😎👍
Good video, but... none of these are my problem. The filter is clean and installed properly. The furnace ignites and works fine, I can see all the flames when I pull off the cover. Looks good.
But still the air blowing out is BARELY lukewarm. This just started all of a sudden. Does anyone have any idea what's going on?
Good morning ☕️
That’s no fun. Sounds like you have all the working parts for your furnace to provide heat.
Is your inducer motor running and spinning small inducer fan? Also, you may have a faulty Pressure-Switch. Below is a link to our video talking about Pressure-Switch.
ruclips.net/video/ssI_YCnnF4Q/видео.htmlsi=QVzk4MFi6snDh88F
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mine has both the fire and the blower motor working just fine but no heat is comming out the filter is clean etc
Thanks for watching, are your burners turning off after a bit? If the burners ignite & the flames are hot, followed by cold air out of the vents...we recommend re-checking to see if your burners are still lit.
If they are not, the system has shut down the burners due to lack of ventilation.
@@DIYwithMichaelBorders that’s the weird part i left it on for 20 minutes earlier the whole time the burners were on, fan was running, the light was solid green just no hot air
@@ethanasmr7379
Thanks for the reply. Is the inducer spinning or is the blower motor & fan?
If the inducer continues to spin however the blower motor does not, you will not get warm air to push through the ductwork and out of the vents.
My furnace blows cold air and then shuts off after 2 mins. It does this whether its on auto or on. What do I need to do please. this just started.
Thanks for watching & welcome to the DIY Raptor Club. Let’s get this figured out. 1st, we recommend replacing filter. A dirty filter can cause this.
When the system detects lack of air flow/ventilation, it shuts down. Let’s start there. Keep us posted.
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@@DIYwithMichaelBorders What's funny is i had someone look at my furnace because it wasn't blowing any air in one of my vents and he replaced the filter because it was dirty. It operated 1 day and I didn't use it the next day because it was hot outside. Now its malfunctioning. Is the side with the metal parts of the filter and arrow suppose to face the furnace? Thanks for your assistance.
@@tishshamiller
Thanks for watching & yes, the arrows are to be facing with the direction of the airflow.
If this doesn’t help, verify all vents are free of any blockage. If this doesn’t help, we will move onto the next step of getting new parts.
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Filter arrow is to keep the correct side pointed to the blower reason is the one side of filter is reinforced so the filter matireal does not get sucked in !
Thanks for watching & sharing your info. We appreciate you taking the time to share. Enjoy your day.
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The igniter is the most common. it burns red hot every time. it breaks down and loses contact. A continuity test is all you need to know either way.
Thanks for watching & we appreciate you sharing this. Any & all helpful info is greatly appreciated.
This is good info for future viewers, thanks again for sharing. Enjoy your weekend Anthony.
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I have hot air blowing everywhere in the house except for one bedroom. Hot air goes from the furnace to the duct but the closer it get to the vent that blows out of the air it's cold and cool air blows out of the vent not hot air. Any suggestions?
Thanks for watching & welcome to the DIY Raptor Club. Is it a return duct? Can you manually open & close vent by hand using the adjustable wheel or lever? If there is no adjustable wheel or lever, or the vent is high up on the wall closer to ceiling, it’s most likely a return duct. In this case, it will not provide warm air. Keep us posted.
Enjoy your day. 😎👍🔧🔩
Now I got a really good one for you guys, I can’t find my furnace….lol….when I fixed my AC unit the tech from PG&E mentioned in the conversation that my furnace must be in my attic. Upstairs when I remove the filter housing & take out the filter….all I see is the duct but no furnace.
Thanks for watching…sounds like you have a Treasure hunt underway!
@@DIYwithMichaelBorders Thanks buddy, we just got back home from an 8 day cruise to Mexico & our house here in Stockton California was a nice & chilly 59 degrees 😁….Thankfully after removing the 3 filters the temperature is starting to finally rise 🙏. Thanks for all your helpful videos for so many of us that saves time, money & eliminates a lot of stress 👍👍👍👍👍
@@frank-xp6pj
Very cool, and welcome home. That sounds like a fun vaca!
We are so happy to help. 👍
Red wings shirt made me trust u immediately
Thanks for watching, that’s awesome. Let us know if you have any questions, and go Wings!
😁👍
Lets see how it goes!
Thanks for watching & welcome to the DIY Raptor Club. Keep us posted.
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what if its an electric furnance,its blowing cool air out aftre the fan cuts off,i have a new filter
Thanks for the reply. Is your furnace igniting the flames & then turning off? If yes, you may have a faulty flame sensor.
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@@DIYwithMichaelBorders mine is not gas
@@geraldbartlett802
Thanks for the reply & is your heating elements heating? Is the element turning on then off after a few seconds?
@@DIYwithMichaelBorders i have heat its blowing cool air after the heat cuts off
@@geraldbartlett802
Thanks for the reply & if your furnace is operating normally by heating your home to the proper temp setting you have selected, all is working properly.
Once the furnace heats your home to the set temperature, your furnace turns off and begins a 60-90 second cool down phase. The cool down phase allows any and all remaining hot air in system to be pushed out of the duct work and into your home.
Once hot air is removed, room temp air & then cold air will come out events until your furnace turns off.
Hope this helps. 😎👍🔧🔩
I had someone come and say I had to pay for a new furnace 😂
Good morning ☕️
Oh my goodness…😲…why would they do that…that’s not cool at all.
Did you get your furnace back up and running?
How about it starts up normal and burning and then eventually after about ten minutes the heat stops and it continues to blow the flames stop and i see a faint spark sometimes trying to light i think
Thanks for watching, this is usually caused by interruption in the gas flow. Make sure your gas line valve is in the full open position.
Also, make sure your gas line is properly secured to gas valve. If you’re still having issues, a minor adjustment to your gas valve may fix problem.
Please keep us posted. 😎👍
@@DIYwithMichaelBorders thanks i forgot to mention its a propane furnace if that matters
@@mick5740
Thanks for the reply, was the tank previously serviced?
@@DIYwithMichaelBorders i have a few tanks i use. iv been running it and testing it lately more. sometimes it seems to run fine and then sometimes itll start and not ignite or stop burning after awhile. it used to run great and at the end of winter it started with the blowing cold. so i just recently started using and testing again. all that iv done lately is on the same full tank tonight its been working well. but im sure it will do the same again im wondering if maybe its the thermostat because sometimes ill turn it on to where it needs to be to go on say 60 degrees and itll go on and not ignite and if i go off and on again itll ignite like normal. i opened it up and all seems well. but my kid did play with the thermostat a few times and who knows if pulled hard or bent it or something
@@mick5740
Thanks for the reply, minor adjustments may help however keeping in the back of your mind that a regulator replacement may come to surface.
Are there any dangers in home systems cause every time I turn it on I get a headache 🤕 possibly blowing toxic air or gas leak .?
Thanks for watching & welcome to the DIY Raptor Club. The most common cause is a very dirty, possibly wet filter filled with mold.
We recommend checking your filter to ensure it is new and clean. 😎👍
@@DIYwithMichaelBorders ok
@@user-pb6tf5xi7l
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Have your furnace checked the heat exchangers could be cracked causing carbon monoxide leak which is very dangerous and could give you headaches
@@nathanneal8927 will do thanks for the tip and answer highly appreciated
Om fkng G!!!
My furnace it takes 6 yo 7 hours to heat the house. After i change the fan on the chemminy before it use to take only 40 minutes and my house is small only 3 rooms total.
Thanks for watching & welcome to the DIY Raptor Club. Has any MX been completed to furnace in last 12 months? This will help us pinpoint whether or not any recent MX is related to issue.
Is your fan pulling generated heat from your furnace. Is air coming out of vents warm? Keep us posted.
Enjoy your day! 😎👍🔧🔩
Tthank you for your answer
Yess everything is done every 6 months on it.
and the air is coming out cold on the vents.
The only thing I notice on the equip it is the flames on are not completely blue.
It is a mix between yellow and blue
@@ronaldsosa951
Thanks for the reply. We recommend replacing filter. A clogged filter can lead to degraded ventilation within the system & the furnace will continue blowing air however for safety purposes, it will turn off heat. Keep us posted.
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#1 problem dirty flame sensor
Thanks for watching & we appreciate you sharing this. Any & all helpful info is greatly appreciated.
Enjoy your Sunday. 😎👍🔧🔩
I changed my filter about noon...just started blowing hot air after 2 hours...fyi.
Thanks for watching & we appreciate you sharing this. Sounds like you’re back up and running. Hopefully many stress free days ahead for you.
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