How to Clean Inside of AC Evaporator Coil
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- Опубликовано: 2 июн 2024
- #ac #coilcleaner #homedepot #dyi #evaporator #coil #hvac #amazon #airconditioner
How to Clean Inside of AC Evaporator Coils with AC Cleaner and compressed air.
In this video, I show how I clean my Evaporator coil using AC Cleaner and Compressed air.
I use WEB Pro Coil Cleaner purchased from Home Depot. You can use spray or liquid cleaner.
Video recorded on Samsung Galaxy S10e
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0:00 Intro
0:24 Product I used
0:55 Look inside AC Evaporator
1:28 Access to AC from AC Vent
2:29 Cleaning Process
3:50 Working with Compressor
Music Credits:
Music: Summer - Bensound
www.bensound.com
Support by RFM - NCM: bit.ly/37ILNlu 
Хобби
11 years of hvac and cleaning these damn things, I have yet to see one with an access line this...but now I can dream.
Theres a reason for that, open returns are inefficient.
@@Artoconnell each unit is different, not all are equal under your rule. Hopefully, anyone that’s attempting to find easier access to the evap coils will look up their unit to be sure. A/C techs do not want you ( customers) to look it up for themselves. If they did that, then the techs wouldn’t be able to charge for a huge service fee, imagery parts, labor, and whatever else they could to make sure you pay 500 bucks to do a job that actually is easier than cleaning your oven, with less cost in supplies. This is the biggest money maker ever!!
@@nataliemontanoc2c36 The more informed by customers are the better i like it. Honest work is everywhere. treat people like you want to be treated and never lie to them. they will be loyal for life. ( 30 years of being an ac contractor in Fl)
@@nataliemontanoc2c36 No maam. open returns are less efficient, just a fiziks thing 😇
Thank you so much for your video, all the technicians said I needed a new unit from $2500 - $6500. None of them wanted to clean my unit just sell me one!! I followed your instructions (even wrote them down step by step) and brushed very carefully with a wire dog brush that I attached to a 1/2" PVC pipe 12" long and taped it on, worked great. The unit is from 1996 LOL to the AC Guys who want to be lazy and make you buy a new unit!!!!!
SAME HERE WITH HOT WATER HEATER. I waited 2 weeks for a part and then went to RUclips University and fix the hot water heater myself and it just needed to be cleaned..allergies🙋🏼♀will probably stop once I fix the air conditioner ....black mildew/mold
That’s what they all do!!!!
my 24 year old system had no easy access because they just fabbed sheet metal around the coil.
Alas, it leaked and i replaced the system. Brand new systems now have access panels.... but alas, the contractor company I paid to do whole-house duct cleaning decided to install the new system first, THEN blow compressed air through the ductwork. Incredibly smart. Brand new system, contaminated. My 24 year old system surprisingly looked cleaner than my new system.
I just found this video while trying to figure out what is wrong with our ac. We even used the same product except we used the foaming one. It worked perfect. The ac is back to working again and it cost us $7 for the product. We are a struggling non-profit and this saved us so much money. THANK YOU SO MUCH!! The temperature has been holding at what we set it to.
I'm glad I could help and congratulations that you are willing to do the work.
Wish I could access mine that way.
I know it's been a year this vid has been up .... but thank you... You helped me out so much.😉
Glad it helped!
Thank you so much. You just saved us hundreds we couldn't afford to spend.
Glad I could help!
@@MaciejPiotrowski Could a brush of some sort work, if it isn't heavy enough to damage the coil?
@@truthseeker2321 Sure
@@MaciejPiotrowski Thanks for your reply sir!
Thank you for sharing much love
Thank you for the demonstration. This will help a lot of people.
If I had known it was this easy I would have done this a long time ago. Thank you for showing me the way
Appreciate ur sharing technique s. Thanks!
Thank you. I was wondering if i could use my compressor. Glad to see i can. Very helpful showing that i can do through access panel.
Yes you can!
Be careful to go straight with the air other wise you will bend the coils. If by chance you do You'll need to very carefully straighten them back out.
Oh and remember to wear gloves. The coils are very sharp
As a worker in the field I don't use air to blow dirt into the duct work. If it is full of hair, or caked over I use a metal brush. If you replace a your air filter in a schedule, your coils stay clean.
Thank you. I am staying at my aunts apartment and only 3 out the 6 ac vents actually blow air. I looked at ac unit and it’s covered in nastiness like caked on.
thanks so much for making this video, well done!!
Thanks.
I went 20 years before cleaning my evaporator coils because I didn't know any better. The dirt buildup was extreme. I think my cold air flow increased by a factor of 3 maybe after cleaning. I'll bet my electric bill will see a large drop too
Same here. I never new I could do that and did clean my AC inside first time after 10 year. We all learn entire life. Thanks for your comments.
I have had two ECMs die in 2 years due to high static pressure. My system runs at 0.78 when it should be 0.5 or below. When removing the coil access panel it drops to 0.45, so something is either wrong in the ducting or the coil is filthy. The system is 15 years old and its never been cleaned, however our system has the normal filters as well as an air purifier before the blower and coils, so I find it hard to believe anything got through. I will have to check though, as this system is really not running well right now.
Hasn't been cleaned since April 1996
I know this is 3 years old but can you please tell me what you did to clean yours? I didn't know and now mine is very dirty
Nicely done! Thanks for posting and be safe 🙏
LOVE YOUR ACCENT....🙋🏼♀🌌
Dzieki Maciek za dobra porade. Mieszkam w tzw " manufactured home" gdzie dojscie jest wrecz niemozliwe. Ale za Twoja porada uzywajac sprezone powietrze zrobie to co w zasadzie powinienem sam wymyslic. Jestem inzynierem mechanikiem na emeryturze. No coz, umysl na starosc twardnieje. Pozdro z Rockford, Illinois.
Nie ma za co. Tez sam wpadlem na ta metode nie tak dawno i sam sie dziwilem dlaczego na to wczesniej nie wpadlem. Powodzenia.
Ours had almost half an inch of dust built up when I cleaned it it made such a difference in air flow
So helpful!
Glad it was helpful!
Very good video. Thanks for sharing your experience.
Thanks for watching!
You should have sprayed the water from the other side of the coil to flush out the gunk. When you are blowing it with your compressed air you ate pushing the gunk further in. Spray your cleaner and rinse from the top side so you push it out.
Thank you for your comments. I tried spaying it out from the other side but gunk was still there. I was blowing air at the angle and got most of it out. This worked for my particular situation. Yours may be different. I only showed what worked for me.
spraying cleaner the opposite direction of the air flow?
This is helpful and thanks a million! *~
Glad it was helpful!
2 things here: Unless your coils have a heavy mineral deposit layer it is best to use a highly diluted soapy water (just simple dish soap) let it sit for at least 15 minutes. If you do use air pressure to blow out the coils do it in the opposite direction shown in this video. You want to blow the "gunk" out in the opposite direction of the units airflow.
Thanks for your comments. I tried blowing from outside in but I couldn't blow out dust out this way. As you could see on my video blowing at the angle on the inside did work pretty good.
I used a vacuum cleaner...worked very well.
@@MaciejPiotrowski yeah i have the same air h andler shopfac might work everything coomes down in my face lol . Simple green makes a clearner that works good too
Thanks!
Same AC as mine. Mine is way dirtier than that! My drain was clogged up and water was overflowing the pan and leaking all over the house. It took me a while to figure out what was leaking. Once I shop vac'd out the drain It quit leaking. I did have to clean the coils again tho. Good info. I wanted to clean the evap but didnt want to use something corrosive so your recommendation helps! Thank You! I also sealed everything below the unit so water wouldnt drain all underneath the floor tiles in the house again. That was a mess. They put an elbow joint right at the drain so its almost impossible to ram something down there to remove the clog. I drilled a hole in the pipe so I could clean it out then use hot glue to seal it up again. I also put the shop vac on the open part of the drain where your pouring the water in and suck it out. Works great.
Next time that drain pipe clogs, used compreased air to blow it out. You can use your free hand around the nozzle and pipe to seal it. You can use a air compressor or even canned air if necessary. Spiders may clog the pipe toward the outside in the cool season.
I would not glue the joints in the PVC drain pipe, it makes it much easier to keep clean. That water is not under any pressure, just gravity. If snugged properly, there should be no leaks.
@@michaelwright1602 everything is already glued together. I'd have to replace most of the drain pipe to clean it and thats why I drilled a straight path through the elbow and stuck a wine cork in so when it clogs I can pull the plug and shop vac it out. I also sealed the floor around under the unit so it will fill up like a bath tub before it leaks under the floor again. I just wait for my wife to complain about the dripping noise then I go clean it out. worked all last summer and this summer I had to clean it out once so far. it drains into the kitchen drain. I wish it drained outside onbdedicated piping but I ain't replumbing that! so far its working so I ain't messing with it.
Very informative video, thanks. I will be cleaning my brother in laws unit next week following your recommendations.
For very dirty coil use this technique with the copressor. for medium or average dirty one you can use viper cleaner like I showed in my other AC playlist videos.
@@MaciejPiotrowski Thanks!
Oh damn I'm doing this tomorrow
I didn't think of using an actual sprayer on it. Also I can't imagine how much more gunk mine will have compared to someone who cleans it every other year!
Thank you for this video, may I ask you what did you do with your furnace to be able to access the AC coils? My furnace sits just under the AC coil box.
I don't have furnace. I got there from ac filter opening
Nice
Spray with foam in cane from Home Depot ( no rinse ) , use soft brush. And by the will of god don’t use compressor. Just after brushing shop vacuum. It will pull all loose dirt and foam , no mess.🤷🏼♂️👍
Thanks for sharing. As you could see use of compressed air did help me to get rid of gunk in between coil blades that was just stuck there. I have used foam spray before and Home Depot one is slightly acidic. I did not want to use that in that situation.
My thoughts exactly.
When u had the sprayer, was that just water and u used that to rinse it off with? Thank u, helpful video.
First I sprayed with cleaner, then you need to spray with clean water to remove debris and chemicals from cleaning process. Than you let it dry for awhile and turn AC on again.
My air handler is 10 years old. Last year my pvc condensate drain pipe got clogged, so the water did not drain outside but overflowed in drain pan, then onto floors. Big mess, but my shut off valve did not work, so I did not know it was overflowing. The plywood platform, along with the 2 x 4 beams that my air handler sits got soaked and is now sagging in the rear of the unit.
It started leaking again and I vacumned the pvc drain outside to remove clog. EXCEPT the condensate leak was not due to drain clog (water isn't even flowing towards the drain). Since my unit is longer level and tilts back, the condensate water is flowing towards back (opposite side) of unit and overflowing the drain pan on the opposite side of where the PVC drain pipe. Air conditioning unit works and cools great BUT, I have been paying a home warranty company monthly for 4 years and this is 1st time I used them. The tech was out for 5 minutes, never opened the closet door to look at the air handler to see that the unit was tilted causing the leak. Instead he peeked under the unit (where you just cleaned) and said my coil was leaking water because it was dirty and full of holes and that the warranty company will not pay to repair it due to coil being dirty. After I told him that my contract covers dirty coils and/or lack of maintenance, then his 3 minute diagnosis changed to the coil having mold and lots of holes in the coil causing the condensate leak. My warranty company will not cover if mold. Within 10 minutes, I had a repair quote for $6,250 to replace a 2.5 ton system (air handler and condensing unit)!
My air conditioning system that cools my house beautifully! I asked for a 2nd opinion from warranty company, but before he comes out I wanted to make sure the coils are clean so they can't blame a condensate drain flow issue on a moldy coil. I saw you cleaned the underneath coils but I wanted to make sure the other side of the coils are clean, too. After removing the air handler cover, can I spray the solution onto the exterior of the coils (the opposite side that you sprayed, too? Any help would be so appreciated.
Remember that Ac warranty company will always try to find a way not to give you warranty. They are only good to take your money, just like any other insurance company. I am not AC professional so don't quote what I say. I just service and clean my AC the way I see make sense. You can use coil cleaner to clean coils but if its going to work or not I can not guarantee that. My mom ac had some mold. I sprayed it with coil cleaner and id did not help much. It's the place were the is moisture 24/7. There is a good company Viper Coil cleaner that I will buy soon and I have seen this at lease on video to do the best job cleaning coils. Here's the link amzn.to/3StbVoG and I hope this helps
@@MaciejPiotrowski Oh my goodness, I never expected a reply so fast. Thank for sharing the video and now, for the additional information that you provided. I will check out the link you sent. So true what you said about the warranty company. As a single mom with little technical experience, I thought I was protecting my home (& finances) with this warranty plan. Thank you so very much, so appreciate it. Enjoy the rest of weekend!
Hi Maciej. Did you remove your blower? You have sooo much room below your evaporator to get it there. I think I'll have to remove my full blower
I did not remove my blower. Dirt is collected on the bottom of the coil. Removing blower allows you only to have better access from the top.
@@MaciejPiotrowski I see. Thank you.
how do you remove the panel?
Cool, I didn't know that Arnold Schwartzineggar cleaned AC units! Who knew!
great video but what PSI and compresor brand you recommend?!..
I'm not an expert on this but I was using mine at around 80-100PSI. You don't want to use too much so you wont bend the coils.
None. You don't need it.
@@caru3257 what do you recommend?
@@DJThoughts209 , brush and no rinse evaporator cleaner.
Have a question i have the setup as you but how did you crawl in there without damaging the weak aluminum flooring in that box as I want to get in mine but everything is weak in there behind the insulation especially on the floor
the bottom of my ac vent is a floor that is covered by an insulation.
@@MaciejPiotrowski but is the floor very weak and Hollow or is it hard and firm on the bottom to crawl on
@@ddanster91 it's my house floor. It's concrete
New to this. Why didn't you choose a "No-Rinse" evaporator coil cleaner ? // I'm worried about rust from rinsing with water.
I was afraid it's going to be too acidic and will start corrosion of my coils. I chose something that is PH neutral.
Rust?? Doesnt it condense water, thats why it the AC unit has a drain hole
@@johnytamale8814 If you use acidic product that will stay on your aluminum coils, it will start aluminum corrosion and this can lead to your coil leaking freon.
@@MaciejPiotrowski , if you clean it in the winter when the A/C does not run maybe. Let the unit run a couple of cycles and it will take care of it by itself. 20 years on and off the field.
Thx for sharing. May I know the Air Pressure in PSI or Bar of your Air Compressor?
I was using around 80PSI
@@MaciejPiotrowski I was thinking of buying a 120 psi compressor (capable of adjustment for other various use) and adjust it to 80 psi as you mentioned. Thank you again for your advice.
Hey after the cleaner is on there and left for a bit to I use water to clean off it?
Yes. You need to rinse the coils from cleaner thoroughly. There should be no more foam in the drip pan. After that let your coil dry then turn AC on again. If your coil is too dirty and the soap and water does not help you may have to use some kind of coil cleaner.
Great video and your English is very good. Those are called fins, not blades though.
hahah, thanks for your comments. I'm Polish.
Idk how much you know about this but you obviously know alot more than me. I can see quite a bit of dust between the coils and my question is this. Could this be the reason my unit is freezing up? It is mostly dirty on the top side. After watching this video I got under mine and the under is, for the most part, pretty clean.
I don't think this is a reason for freezing, although if there is not enough space in between coils then it will freeze. Most of the time coil will freeze if your air filter is dirty. I cleaned my coils after my home renovation which created bunch of dust in the air. This dust was sucked into the coils. I cleaned coils to make them more efficient. You coils can also freeze if your drain line is clogged so clean it at least once a year. I flush mine 3 times a year. Watch this video ruclips.net/video/RzQM1sRwLbM/видео.html
I hope this helps.
@@MaciejPiotrowski thanks I just watched your and my unit is similar to yours. It won't be very hard to make the hose pipe connection. I'll give it a try. I appreciate the help.
@@loganb.768 i know this was a very long time ago, but did that help your coils to stop freezing? i just spent $700 on a repair man to come and my coils are freezing up a month later and water is pouring out … my dad cleaned the hose with bleach but it still is leaking very bad.
@@sin-ro4lr To be honest, the reason my ac kept freezing was due to it being low on freon. I cleaned it good and cleared the pipe but it kept freezing because the freon was low. I got someone to come re charge it and it cost me about $150. It hasn't froze since.
@@loganb.768 thanks for your response. we got a quote from a technician and it would cost roughly $1700 😭 we will just buy a brand new one at this point.
Would a vacum cleaner work? What pressure is the compressor set on?
80psi
Try a fine dog hair brush with metal bristles. Attach to a half inch piece of pvc with tape as a make shift long handle. Will remove all gunk. Just be gentle and don't bend the coils.
Good idea. Thanks
@@MaciejPiotrowski I enjoyed your video. Your AC unit is so clean and shiny. One can tell it's well maintained. Greetings from Texas! Y'all have a good day!
@@johnferguson3026 Thank you for comments. This was first time I cleaned this unit after 10 years of use.
@@MaciejPiotrowski Wow, your wife must keep a spotless home. That's impressive! Later Maciej!
Make some new videos soon!
Look on Amazon someone out there makes combs designed for cleaning evaporator coils.
So 2 years ago that coil was clean? only took 2 years to get that dirty/nasty? thanks... can you tell me if your electric bill was better after this cleaning? did your AC run less time to keep house cool than before you cleaned.?.. i ask because its been 6 years since my coil has been cleaned and it seems when its very hot outside my AC can never catch up and runs constantly....I think i need to do this asap.. Thank you for the demo video
What I meant was, 2 year prior I cleaned the coil but from the top. It never occurred to me to clean it from the bottom. My electric bill has not changed because coil was just dirty. It was not clogged to the point that it would affect air flow. I live in FL so when it's very hot my AC runs more often then normal. Also, it depends on how you attic is insulated. My mom's AC was running constantly. It was not AC problem. Attic did not have enough insulation so I rented a machine from Home Depot and sprayed extra insulation one year. It did help a lot doing this with lowering my mom's electric bill and keeps the house cooler.
@@MaciejPiotrowski did you do a video on adding insulation with a rented machine? i may want to consider that myself... what type of insulation? where do you buy... whats this machine called and cost to rent ...thanks
Am I the only one that wanted him to say at some point, "Hasta La Vista, Gunk," and end the video with "I'll be back." Perhaps even "Subscribe to me if you want to live."
When do you removed the coil for cleaning?
never
Mine has black crusty stuff on it and is very difficult to get out even with cleaner
I guess you have to use some kind of brush to clean it.
Is it dangerous to have exposed duct board like that?
Is there a way to remove an end panel to access the inside of coil ??????????????????
Usually there is but every ac is built differently so you have to figure it out
Did this make a noticeable difference on cooling off your house? Also, I wonder if I could just take a small brush or toothbrush type of item to it.
I did not feel any noticeable change. I just know that the is a better flow in between Coil blades because I remove all that gunk. You can use any brush, just be careful not to bend the coils.
@@MaciejPiotrowski Thanks. My upstairs is not cooling and It’s not the thermostat, float switch or compressor. For some reason it just doesn’t blow air upstairs for more than a few minutes. I’ve noticed the compressor turns on them back off quickly.
@@SpencerJMusic Sounds like you need an AC guy to see what's going on.
How much you charge customer for this AC Evaporator coil cleaning? I like to do by myself, but I am a bit too old and I did not want to bend such way.
I don't charge anything cause I don't do this for a living. I do this on my and my mom's AC. I just show how I did it for those who want to clean their AC on their own.
Starts with not changing the air filter, then this, next is the blower fan, then blower motor leaks oil, etc..
I have been having trouble with my A/C, the AC company came out and sprayed and the air starting working and now my unit is warming up again. They said if this happens again that they have to remove the ceiling to access the unit to clean the evaporator but for some reason the owner is avoiding this process. I am so frustrated
You may have freon leak, that's why it warming up again. Go to my playlist and look for AC projects and watch those videos on how to spot a leak and what is the solution.
You can't take it out to clean the inside coils?
Sure, to take it out you need to remove freon, cut the lines, clean it outside then pay $400 or more for the AC service.
why not us a vacuum with a soft brush adapter to clean the coils
I've tried but it didn't work. I had too much gunk from my construction work in the coils. It was dust from removing popcorn ceilings. They only way to get it out was compressed air.
You need a foaming cleaner for it to work. The foam will push the dirt out of the fins.
Tried that. I got too much gunk stuck in between coils. That's why I had to use compressor.
Use a soft toilet brush it won't bend the fins
To finish You got it to use s vacuum
My A-coil is on top of my heating elements so can not access under the A-coil.
So you can only clean it if you can remove your heating element. My heating element is above the coil.
Use distilled water if you are mixing any cleaning solution. Generally tap water has excess minerals and bottled water is worse in most cases.
I learned this the hard way using poland spring bottled water (5gal) jugs when i first had a saltwater tank. Instant aglae bloom from the phosphate in the socalled "filtered" water.
Don't forget the band aids.
Using an air compressor is a good way to fold over the fins!
You are correct. If you do it carefully, like you can see on my video, no blades are folded.
Man I can’t get underneath mine…
So much room. I think mine is in top of my furnace unit.
You should not use compressed air that will bend the fins and actually cause the unit to work harder to cool. Not a good idea or technique.
Thanks for your comments but as you can see I did not bend any fins and it did work for me. I only show what I did and what works for me. You are free to do whatever you want.
we cant see anything you are to close
Evaporator coil should never get dirty if changing filter properly
gets mildew
People who smoke inside their houses get their coils dirty. Did you just blow the dirt inside the ductwork? All that is just going to your living space and back to the coil.
No, all the gunk was after removing ceiling popcorn. I got it out.
Hhhh, the right way is you have to take it out and clean it outside.
That unit must be an American brand because it looks difficult to service. Not the same for European brands. European brands are so much better than the garbage we're sold in the USA.
Agree 100%
😂😂😂😂 he's just pushing everything, just hire a proffesional to do it, that's the right way to do it. 🤦♂️🤦♂️🤦♂️🤦♂️
You must have money to burn, huh?
You’re looking at a $400+ possibly a lot more, and the wait time while you sit and cook cuz you’re dirty ac is kicking off to save from burning up or it’s a block of ice under the house.
Or… a trip to Lowe’s, $8 and some random gear anyone should have, plus about and hour, 2 tops.
Just pay $200 for one time clean or $250 for a 2 time a year cleaning. This is insane to do yourself to be honest. I did it once and it just wasn’t worth it.
$200 is not $20 for some people. If you have hands, and willing to work, this is nothing.
@@MaciejPiotrowski Not mention they many not do a good job! You never know who you are dealing with these days and to be honest some AC guys are shysters. If your not standing behind them every step of the way there not doing the work you are paying them to do.
Why pay someone $200 if I can spend $20 and DIY then use the rest of that money on things I actually want/need?
Tell your woman to quit making so much noise while you're making a RUclips video!
As an AC technician with more than 15 years experience you don’t know wtf your doing leave it to the professionals and take down this video it’s pathetic
Sure. I cleaned it myself and did not had to be ripped off by technician. Of course you don't like it cause I show anyone can do it.
I noticed you didn't provide any information in your post that's actually constructive @CRYPTODAMUS... Knowledge hoarding for job security is pathetic. If you're scared you'll lose business from other people learning to do things you do, increase your own skill set versus ridiculing others.
@@MattMorganRUclips Thank you for your comments. In my videos I show how I do and fix various things around my house. You can use those videos to fix your problems. I do not force anyone to do what I do. If you have better ways of fixing things, I would suggest making your own videos and sharing with all of us on RUclips.
@@MaciejPiotrowski My reply was directed to CRYPTODAMUS, who didn't give any constructive criticism to your video and only berated you for no reason. I suspect he fears his job is in danger if homeowners like us no longer need him to do basic maintenance (or allow him to sell us pricey units prematurely because we didn't know to do certain maintenance).
I very much appreciated your video, Maciej. Thanks for sharing!