Dirtiest Evap Coil Ever!! Cleaning a Dirty Evaporator Coil
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- Опубликовано: 4 фев 2025
- This is probably the dirtiest evaporator coil I have had to clean. I have already cleaned four of them this summer when people have called Fox Family Heating and Air because their system was not running correctly
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Very enlightening! Now I know what needs to be done at my house. Thanks!
they most likely did not have a filter if you have ever in your life change your filter your evaporator will not look this way. This is by far the most extreme case I've ever seen
I would love to see the year-over-year energy bill before and after this cleaning. Not to mention improved health, and comfort. NEGLECT is how homes get to be sick homes.
@@tjdot8 I got one very close to that, customer was so happy when the AC was working again
@@hvacmania8323 I would be a huge change
thats pretty bad wouldnt have worked for a long long time
@@tjdot8 it was flooding their house I got rid of the flooding and I fixed the air conditioning they were extremely happy to say the least
I’m in sac too, real cool.
I was just told I’ll need a new coil and condenser,
Upon looking for advice on Nextdoor, I came across a neighbor who’s in the trades and he’s going to show me how to do this.
He doesn’t think my R22 unit doesn’t necessarily need to be replaced yet, he believes this to be my problem.
For all I know, my coil hasn’t been cleaned for 40 years. This is going to be FUN.
Nice to know you guys are around.
A Job well done I wish there we're more people like you who do a proper honest work .. respect
Thank you. Single mom here trying new things (without a clue). But I can clean anything! I thought it would be more complicated and techy.
Not a service tech but you definitely want to turn off the breaker and any other safety disconnects and turn the thermostat off
Thankyou Fox family. This video gave me the info I needed to tackle this job. My hvac system is now operating as it should. Many thanks!
Mine wasn't quite that bad (my sweater was only 1/8" thick) but thank you for showing how to clean these out. Super easy, and now part of my spring routine before A/C season.
I have this same problem. I am a certified tech and want to do this myself for my mother in law's place. The problem is, the landlord keeps getting in the way of every service tech that has been nice enuff to come out. She's sabotaging the repair. This is a 2 ton evap with a fixed metering device. If I remove the cover and the condensation drain line outta the way, will the Delta plate look like this one? Because of so, I'll do this myself to help my mother. Thank you.
Usually on something that funky I suggest a pull and clean but looks like you did one hell of a job in place. Good stuff Greg!
Do you have a video on how to pull it?
I want to pull it out and clean it outside like my ac guy used to do it...I call him and he doesn't answer so i need to do it myself
I love it when you handed him the coil sweater! lmao
THANK YOU -- this is the most thorough VIDEO on this topic. Everyone else talks a lot and I have no idea what they're talking about on what to do with the cleaning!
Great job. While cleaning the coil in place I cut a piece of card board to place
at the bottom to catch any debris.
Watch Out ...... that was going to be my question. (I will use cardboard) While my husband handles his company, I’m responsible for the house. Today, I thought I’d check the a/c out. Do you need to treat the outside of the coils??? I want to pull the blower and clean it but it’s getting HOT and I’m worried I won’t get it all done. This is just gross!!!! We move in 5.5yrs ago, the house is 40yrs. I’m pretty confident previous owners never had it clean. I hope to breathe better.
Winter’s Soul the one in my apartment is caked and disgusting, not even a filter in it. I want to clean it but damn thing is so disgusting from (probably years of) other people I’d rather move to a house just for a cleaner ac unit hahaha
Put a plastic garbage down
Oh my word. You did an excellent job of cleaning those coils. I"m afraid to see what mine might look like, since my ac has been freezing up. Commendable job.
Once I had a customer with a "permanent type air filter"; every two months she took it out and reversed it! The evaporator was fully stopped up. It cost her plenty!
LOL 🤣 All of it is due to not changing the filter. I love the customers that say they do change their filters, only to find a rung on there evap coil. LOL, great job!
For a leave in place clean, you did a very good job.
i really dig this show,,,the camera is so great here,,,i bet a lot of units need this operation doctor...
I swear I heard it say "awww" after you took of it's blanket!
Very good video Sir. I'm glad I read the Caption about cleaning a dirty Evaporator coil. I got exactly what I needed.
Please post the liquid spray cleaner brand and the little brush you used. Thanks for the informative video.
Changing the filter at the right time or getting and maintaining an EAC can stop the buildup from happening.
We had an H-coil like that in the attic on a rental we purchased. How the unit ran like that I had no idea. The tenant never complained about the low air flow or smell. The house had some interior damage so we just didn’t make the repairs till they moved. When they moved enough hair came out of that coil to make two dogs. We even had to put the garden hose on it and let it run out the drain. The nasty smell turned fresh and clean immediately. Pretty much the same thing just horizontal.
I've run into this several times before. So thick that when you peel it off you say, "oh wow this coil knitted me a sweater!"
I bet it’s not freezing up now😁. You’re a better man than I. I’d have tried to get them let me pull it and then if I had to clean it, used their garden hose and back flushed that POS. Great video!
Always great to see a journeyman in action. Great work. One question i have is why not vacuum up before spraying the coil?
The spray basically loosened the crud to vac easily. I do the same. After I clean it, I’ll give it another spray and when it sweats, it’ll wash out the remainder crud and basically rinse itself clean into the drip tray and out.
What kind of spray and where do I get some? I have globs of growth in the line and drain pan...is bleach not recommended?
Good job. You have a lot of patience, what a mess. Thanks for sharing.
Nice woolly blanket 02:15 . Home probably has many animals within.
Good job cleaning up the mess.
Great job! Your video is the second one that I have learned how to remove a piece of metal triangle and clean the coil.
Nice video. What about the brush and vacuum cleaning? The evap fins didn't get bent and messed up? I thought they were very thin and delicate
Great video. I really like being the third technician on a call like that. Amazing how a dirty evap coil mimics a low charge. I clean them and then usually remove refrigerant.
All Hours Maintenance are you in Florida?
great video Greg, I don't believe I have came across one that bad. hard to think it could have been working within the past couple of years.
it looks like it sucked up a wookie! Nice job buddy
This is what I imagine mine looks like, as I have 2 pet wookies myself. I haven't looked yet, but am psyching myself up to what to expect. I am going to tackle this-this evening as I just received my electric bill and it is up almost $45.00 from the same time last year and up $85.00 from 2 months ago.
That used to be their daughters cat that went missing🤣
It's funny I just same some recommendation from Nextdoor regarding to Fox Family and now I run into this video.
This might sound like a dumb question, but why dont you vacuum the coils before you spray them?
Cool video. I have a customer that owns a candy store, the RTU return is literally above the cotton candy machine, the first PM service I ever did the evaporator looked just like this job but it was cotton candy and dust...
Oh my god. cant even imagine!
How sweet!
I bought an old ac and the evap coils looked just like this I was like how was this thing even working which it was somehow but works much better now :)
Thank you for sharing your knowledge I really appreciate you God bless you and your Family
Informative, concise and to the point, and quick! Nice presentation.
Mine might have been worse than this unfortunately. Poor tech spent a good hour-hour and a half cleaning it out. Wish I could post pics.
That gum was plugging a leak in the coil from the last tech. You going to be back soon for low charge. ;)
Great video. Thanks a million, or at the very least, $400+.
That is probably what mine looks like. I went from heat in the winter that didn't stink to Air conditioning that smells awful. It produces cold air, but it is 20 year old unit. I have a labrador that looses more harm than I thought one ever grew. I sprayed the whole upper side with bleach water. I wasn't aware that Triangle shape sheet metal comes off the front. I will take it back apart and clean the under side. I have never ran mine without a filter though so it probably isn't that bad.
I can't comment till I open and see mine. You my man great job.
Good Video. That one was Very Nasty. You might want to start Wearing Gloves and a Repirator when doing stuff like this. it Helps keep away the throat cancer and getting a nasty cough after 36 years of this stuff. i wish i had done it. Hell of a job on this one. NO Filter on that one for many years. maybe add a Co2 Blow thorough the coil to Really make a difference and get it where it needs to be. Hell of a JOb ! Nicely done.
Terrific! Bravo! Question the coil housing..should it have a top cover on it or open to view?
Any reason why you didn't do an initial vacuum before applying the cleaner?
What is the spray you used for the evaporator coil? My furnace looks similar to this one and the guy wants $500 just to brush it clean.
Do you have to worry about dust falling inside the unit?
yes, you want to cover your heat exchanger with something if its open at the top (underneath the coils). I used an old filter that I cut down to fit over the space, brushed, vacuumed up the loose stuff, sprayed with a lawn hand sprayer, rinsed with a separate hand sprayer filled with hot water, brushed again, then rolled/folded up the old filter and took it out.
Honestly mine is about as bad. Just got the place but the stuff on the coil was more like a caked on layer of gunk. The home had some renovations done, but a super, super cheap filter. Its the cheapest one you could buy at a home depot. This is what the previous home owners had been using. There was a box with 2 more so I tossed them all out. Used a stiff AC brush and Weber coil cleaner , along with some concrobium, but there is still leftover gunk stuck between the fins. Planning to use a mister to mist the concrobium in the ac ducts. Praying all goes well.
Nice how much does this cost?
So you clean from the outside or inside?
Inside
Is it worth doing this if your coils are rusted on the bottom areas.
Wow. I bet you can really feel a lot more air coming out of the vents inside the house.
Even with filter it still got this filthy ? Did it have filter at all ? My lines are frozen both outside and inside ones . And where is my evap coil ? Usually on the bottom or might be top ? Thanks for any help . Saw another video with spray cleaner bought at Lowe's .
Dang! i thought I’d seen some super dirty coils, but that one is the “Blue Ribbon Baby!” You could make a coat out of that thing! i guess nobody ever told them about return air Filters.? LoL 😆
i want to do mine... what is best cleaner to use? thax
I did one like that on a package unit then after I got it back running the discharge line blew
Dirty like a refrigeration condenser 😂😂. That was a good one.
How did the hair get past the furnace filter ?
It would have been nice to know what you sprayed on it.
Yeah no problem they have what's called evaporator coil spray. And they even sell it at Lowe's and Home Depot. just make sure you read the directions on the can some of those you have to rinse off and some of them are rinse free
Viper coil cleaner is my go to.
I gotta do my girlfriends coil today and in the other videos they pulled the coil all the way out. This way looks safer but harder to access... now Im not sure which way I'll go! I'm guessing her coil is the one that has to be pulled out.
I spy a dewalt right angle drill/driver adapter 2:05 :)
who needs a filters when the evap coil is the best filter :))
Lmfao
I noticed a steel brush was used to clean the evaperator. Won't that be too strong to bend the fins ?
Not if you go up and down in the direction of the fins. Unlike what this clown occasionally did and went side to side and bent the heck out of a bunch of fins.
did you fix the issue, Why is so much crap getting past the filter. there is air getting around the filter some where ?
They likely werent using one at some point. Depending on the environment over months to years it adds up
My sister's system is filthy!! Both trunk lines are dusty but the return line literally has an inch+ of dust and hair covering the bottom. I try to do what I can for her but trying to clean 20ft of square trunk lines has me questioning the best way to do this and God only knows how bad the coil in the heater is there wasn't a door or any way to inspect it.
What is the cleaning spray in the lime green canister you were using?
Waste of money
The renter used to live in New Jersey and he complained to me that he had never seen water leaking from ac unit. After I got fix the ac run again, I told him that Florida is a hot weather if you decided to move down here, no comparison.
Fox 🦊 great vid. I’m a tech myself & I was cracking up when you found the gum 😆. I bet your saving that gum for later. to stick your it on your condensers contactor closed 😀. Then I hear him say oh $hit & he didn’t even get the bill yet.
hahahahah!
What spray cleaner did you use? Were all the brushes you used wire brushes?
God I absolutely love the sound of the brush brushing the coils.
another excellent video thank you for sharing fox!!! dang I wish I can ride along with you I have my universal epa's both lil knowledge under my belt, I drive over the road rest and watch your video's I'm in palo alto now great work!!!!
Wow that's so cool man. thanks for watching. I really appreciate it!
Is that a metal brush?
You give a new definition to hair plug. What is your service coverage area? How far south do you travel?
Ok. But what if you can’t get to the underbelly of the evap coil in order to vacuum the dirt away. That’s the type of unit I have. All I could do was let all the ice melt away, put the door back on and hope for the best. Will simply just spraying the coils from the top with evap cleaner work or is it time to call a pro?
Was there a filter? I've been in my home for seven years and mine doesn't look like that. Filters changed every month. I have five cats and two pups.
good find brother!! you did wonders on that one... imagined filter was changed out also keep up the good work and way to go!!
Did they run it without a filter? How did those hairs get in there?
When you don’t change a filter it gets blocked restricting airflow even more so that less air can get to the coil. What looks like what happened was that they didn’t use a filter period
True. Or maybe they used something very unrestrictive like those cheap 3 buck ones landlords use for rentals.
Greg you need some gloves bud. I liked the ending.
Manuel V. Makes me stronger!
I have done the same. Good work my friend. Love watching your videos. I can still learn even though I am getting older.
And a mask! That thing was nasty!!!😳
Yes, all kinds of viruses could be hanging out in there.
@@aerodicus corona virus
Hi there what were you spraying
After you removed the "sweater" that was matted onto the fins, why didn't you brush it before spraying on the coil cleaner? It just seems like the larger dust pieces and hair would come off more easily while dry than once they are wet. At least that is what I have seen on all the other videos I watched. Also, at the end you went in there with a shop vac...even vacuuming across rather than just up and down with the direction of the fins, and it looks as though the nozzle bent some of the fins. I have always understood that you had to work very delicately so as not to bend them.
You can get a similar effect if you do not change the air filter. When we moved into our house the previous owner (college girl with no knowledge of how to care for things) had been changing the filter at the return until eventually the air flow was so bad that she left it out completely. She never saw the 2nd filter right in front of the evaporator coil and it was so caked with dirt, dust and hair that the AC tech first thought there was a Freon issue when he started his tests. He noticed the low air flow and I showed him the return and he saw the 2nd filter and how badly caked it was. After removing that 2nd filter the difference in cooling was the difference between night and day. Cooing was way better and power bills dropped.
appreciate... used these instructions to clean my nasty a-coils today
What kind of screw are you using to get the bolts out?
Also, a headband flashlight is pretty useful so you can see clearly everywhere you move your head.
Normally, they are hex head screw, 1/4".
@@HsingSun some of them are 5/16" too lol
How does this happen? Are they not running a filter? Would this happen even with regular filter changes?
Chewing gum on the coil: Tales of the Unexplained
Mine is sealed in the attic how can I clean it? And how far do you guys travel?
Unseal it, buy some vent tape to reseal 👍😎✊
Ugh- need a question answered and I can’t find it online. The inside part of my AC (in front of where I slide the filter in) is really dirty and falling apart. The inspector said it was because the entire unit was old so that was expected). He said I would need to replace it within a year or two. In the meantime, I bought a peel and stick insulation mat and cut it up to cover the shredded old insulation. Is that ok or not? I think the exposed shredded insulation was causing all this dust in my house.
Great video, just wondering what the original complaint was. I know when I charge people to clean their coil from lack of changing filters they act like the service call should be free. also was the drain clogged? just curious awesome stuff!
I cleaned one a few weeks ago. Somehow it was packed with cat litter and hair. Fins were falling apart. It was disgusting
What did you spray in there?
How did gum get in there. Wow
Dude!!!! Lmaooo that's a nice sweater on that A-coil 😂😂 you did a great job without pulling it out! Just awesome man keep going hard! #HVACLIFE
Fuck tyson
Can I ask what kind of brush did you use?
How much you guys charge for this service?
Did they not have a filter? The only time I have seen one that bad the people didnt even know they needed a filter.
Is it better if you take that coil out and clean it with acid and water?
Thank you for the video....very informative!
You see this a lot on rental property, either they don't change the filter or they throw the filter away and run the unit without a filter. If you do not have a filter or you have a leak and air can bypass the filter then your evaporator/ cooling coil becomes the filter. Typically if a unit cannot move the air across the coil it will become too cold and form a block of ice on it. If your unit is not cooling like it should turn it off. The more time a repair company spends at your house the more it will cost.
Nice pre-filter there. What does the rest of the house look like?
Good job. Okay, now I see why cleaning the coil can get expensive.
I have mobile home and had 950.00 work on furnace. I thought maybe the rebuild would get it working. I changed the run capacitor on fan motor and checked paperwork and was charged 150.00 for a 9 dollar capacitor, ikes. So before he comes out going to clean condensor coil and evaporater coil in furnace. It's a coleman furnace and evap coil is at bottom. So hopefully the side I can see will be the only side dirty. It's a coleman in a trailer. The cover on top is been hot and melted lost its shape not sure why. Maybe u it can be put in working order. Like to sell the mobile home and get Ac working for couple years after sold or hopefully much longer.
How much does a service like this cost, unfortunately I'm in Texas so I can't call you
what is that spray he used?