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frontpagephoinix | Staff posted Jun 27, 2026 10:20 PM
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  1. Deal Image
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Item 1 of 2
frontpagephoinix | Staff posted Jun 27, 2026 10:20 PM

19-Oz Frost King ACF19 Air Conditioner Coil Foaming Cleaner

$6.35

$16

60% off
Walmart
27 Comments
12,413 Views
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Deal Details
Walmart has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free with Walmart+ (Free 30-Day Trial) or orders $35 or more.

Thanks to Deal Hunter phoinix for sharing this deal.

About this product:
  • Foam cleans coils fan blades and reusable air filters
  • Heavy-duty detergent dissolves stains grease oil and loosens dirt
  • Neutralizes odors from standing water in drain pans
  • Low VOC formula with pleasant lemon fragrance leaves fresh smell
  • No rinse necessary for cleaning AC units

Editor's Notes

Written by Neo45 | Staff
  • About this Store:
    • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
    • If you're not a student, there's also a free 1-Month Amazon Prime trial available.
    • Most items sold & shipped by Walmart.com can be returned for free, either to a store or by mail up to 90 Days after item is delivered. See the Walmart returns page for returns information.
  • Additional Information:
    • This offer matches our recent and very popular front page deal from June 2026 which earned over 75 thumbs up.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.
No Longer Available:

Original Post

Written by phoinix | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Walmart has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free with Walmart+ (Free 30-Day Trial) or orders $35 or more.

Thanks to Deal Hunter phoinix for sharing this deal.

About this product:
  • Foam cleans coils fan blades and reusable air filters
  • Heavy-duty detergent dissolves stains grease oil and loosens dirt
  • Neutralizes odors from standing water in drain pans
  • Low VOC formula with pleasant lemon fragrance leaves fresh smell
  • No rinse necessary for cleaning AC units

Editor's Notes

Written by Neo45 | Staff
  • About this Store:
    • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
    • If you're not a student, there's also a free 1-Month Amazon Prime trial available.
    • Most items sold & shipped by Walmart.com can be returned for free, either to a store or by mail up to 90 Days after item is delivered. See the Walmart returns page for returns information.
  • Additional Information:
    • This offer matches our recent and very popular front page deal from June 2026 which earned over 75 thumbs up.
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.
No Longer Available:

Original Post

Written by phoinix | Staff

Community Voting

Deal Score
+68
Good Deal
Get Deal at Walmart

Price Intelligence

Model: Coil Cleaner A/C 19Oz

Deal History 

Sale Price
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Current Prices

Sort: Lowest to Highest | Last Updated 7/3/2026, 08:29 PM
Sold By Sale Price
Amazon$6.37

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27 Comments

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Jun 28, 2026 03:22 AM
31 Posts
Joined Aug 2019
ScarletSummer5900Jun 28, 2026 03:22 AM
31 Posts
Good deal. Just bought two cans of a competitor product from Home Depot today for $10/bottle
Jun 28, 2026 04:24 AM
98 Posts
Joined Feb 2016
sierra_skylineJun 28, 2026 04:24 AM
98 Posts
ordered this from walmart and amazon in the past 2 month, both cancelled without reason. I assume is cause im in california
1
Jun 28, 2026 05:03 AM
817 Posts
Joined Nov 2005
391412Jun 28, 2026 05:03 AM
817 Posts
Good Deal - in for 2 - Got an extra 32cents off each with S&S
Last edited by 391412 June 27, 2026 at 10:06 PM.
Jun 28, 2026 05:07 AM
1 Posts
Joined Jun 2026
ScarletRaccoon9659Jun 28, 2026 05:07 AM
1 Posts
Quote from sierra_skyline :
ordered this from walmart and amazon in the past 2 month, both cancelled without reason. I assume is cause im in california
Also in CA, ordered from Walmart a few months ago, order was delivered fine. Used it on my dehumidifier that was getting musky. Worked pretty good.
Jun 28, 2026 05:22 AM
277 Posts
Joined Dec 2007
winewindJun 28, 2026 05:22 AM
277 Posts
Can I use this to clean the cabin air filter area for cars?
3
Jun 28, 2026 05:42 AM
290 Posts
Joined Nov 2017
legolas.mcmJun 28, 2026 05:42 AM
290 Posts
Use this on my mini splits every year along with the outside unit.
Jun 28, 2026 10:28 AM
6 Posts
Joined Jan 2026
HonestShoe199Jun 28, 2026 10:28 AM
6 Posts
Amazon is matching the price. Got 3 cans, great deal!

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Jun 28, 2026 10:35 AM
77 Posts
Joined Aug 2018
MichaelM6202Jun 28, 2026 10:35 AM
77 Posts
Quote from winewind :
Can I use this to clean the cabin air filter area for cars?
Yes. You might need a tube adapter and plug the tube in the drain plug
Jun 28, 2026 10:50 AM
21 Posts
Joined Dec 2015
amac10107Jun 28, 2026 10:50 AM
21 Posts
Could this be used for a vehicle AC?
Jun 28, 2026 12:39 PM
77 Posts
Joined Aug 2018
MichaelM6202Jun 28, 2026 12:39 PM
77 Posts
Quote from amac10107 :
Could this be used for a vehicle AC?
Yes, but you will need a tool to direct the foam to the evaporator coil, like a universal tube adapter.
Jun 28, 2026 02:00 PM
1,773 Posts
Joined Aug 2007
OrangeJuliusJun 28, 2026 02:00 PM
1,773 Posts

Our community has rated this post as helpful. If you agree, why not thank OrangeJulius

This stuff indeed works, and works well. I had an AC unit that hadn't been cleaned in decades, and had years of dandelion fluff and dirt caked on. It took 2 cans, but eventually I was able to clean it all off with this stuff.
2
Jun 28, 2026 03:23 PM
438 Posts
Joined Dec 2003
p0werb0bJun 28, 2026 03:23 PM
438 Posts
works great really cleans it out
Jun 28, 2026 04:07 PM
1,484 Posts
Joined Jun 2006
mcali786Jun 28, 2026 04:07 PM
1,484 Posts
Quote from OrangeJulius :
This stuff indeed works, and works well. I had an AC unit that hadn't been cleaned in decades, and had years of dandelion fluff and dirt caked on. It took 2 cans, but eventually I was able to clean it all off with this stuff.
Spray it and let it sit for few mins and use garden hose low flow setting to outward direct the water from fins right?
Jun 28, 2026 05:11 PM
4,632 Posts
Joined May 2007
hy_tekJun 28, 2026 05:11 PM
4,632 Posts
Some of this stuff is too harsh for the coils and eats them up. Not sure about this one. Out of stock now.
Last edited by hy_tek June 28, 2026 at 10:14 AM.

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Jun 28, 2026 08:21 PM
1,773 Posts
Joined Aug 2007
OrangeJuliusJun 28, 2026 08:21 PM
1,773 Posts
Quote from mcali786 :
Spray it and let it sit for few mins and use garden hose low flow setting to outward direct the water from fins right?
I ended up using the jet setting on my garden hose, because my water pressure isn't that high to begin with. Indeed, I sprayed from the inside out on the first pass. After it was dry, I flushed from the outside to remove any residue. It was seriously caked.

AC unit is running much more efficiently now, much less often for the same result.

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