Frost King ACF19 Air Conditioner Coil Foaming Cleaner, 19 oz
Frost King ACF19 Air Conditioner Coil Foaming Cleaner, 19 oz
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Frost King ACF19 Air Conditioner Coil Foaming Cleaner, 19 oz

4.6 stars out of 327 reviews
(4.6)|
327 ratings

Key item features

  • Heavy-Duty Cleaning: Heavy-duty foam effectively removes dirt, grease, and oil from air conditioner coils and car radiators.
  • Low VOC Formula: New low "VOC" formula contains no CFCs, chlorinated, or fluorinated solvents, making it environmentally friendly.
  • 360-Degree Valve: Special 360-degree valve allows spraying in any position, reaching tight areas easily.
  • Versatile Use: Suitable for car radiators, lawnmower engines, refrigerator and freezer coils, condenser and evaporator coils, metal filters, fan blades, and more.
  • Efficiency Boost: Cleaning coils increases efficiency and saves money by improving performance.
  • Self-Rinsing Foam: Clinging foam is completely self-rinsing on condensate producing coils, simplifying the cleaning process.
  • Citrus Fragrance: Pleasant citrus fragrance neutralizes odors, leaving the area smelling clean and deodorized.
  • Corrosion Inhibitors: Fortified with corrosion inhibitors to prevent metal degradation, ensuring longevity of the cleaned surfaces.
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Current price is $6.3733.5 ¢/oz
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Customer ratings & reviews

4.6 out of 5 stars
stars327 ratings135 reviews
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Reviews summary

Pros

  • : Offers similar prices to other websites.
  • : Simple to operate and does its intended job.
  • : Foams up and clings to coils for effective cleaning.
  • : Has a lemon-like smell.

Neutral

  • : Effectively captures dirt and debris, but may struggle with finer particles.
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Showing 1-3 of 135 reviews

Mar 23, 2026
Steven
Item details
Count: 1
Size: 19 oz
5 out of 5 stars review

Verified Purchase

Great Product. Buy two cans.

I would highly recommend this product but buy two cans because one wasn't enough to do a mid sized unit. I would also recommend you look to see that whatever product you buy from Walmart.com for pick up is at the store nearest you prior to clicking the 'pay now' button! I didn't like that I had to drive so far to pick it up at a Walmart not at all close to me, but that isn't the products fault.

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Jul 28, 2021
Debi
5 out of 5 stars review

Easy to use, a great results.

Our 4year old portable air conditioner had a horrible smell when on, I drained it but still had that bad smell. I actually started looking around for a dead mouse. When I determined there was no mouse, I did some research. I watched videos and read HVAC blogs, when I was satisfied the coils need cleaned, I found this product at Walmart. Came home from work poured myself a glass of wine, got my thesaurus so I had a variety of swear words at hand then took the unit to the front porch. I instantly found out I could not remove the vented casing to get to the coils as the video showed, (Glad I had that thesaurus) so I shook the can and sprayed into the vent that covered the coils and hoped for the best. I let it sit for about a half hour, then plugged it in and I'm thrilled to report the smell is gone. It has been replaced with a nice citrus fragrance. I thought I was going to have to replace the whole unit, but this can of coil cleaner saved me hundreds of dollars. I do recommend it.

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Apr 4, 2026
colleen
Item details
Count: 1
Size: 19 oz
5 out of 5 stars review

Verified Purchase

this was simple and easy to use. it was inexpensive and i did not have high expectations but was surprised at how well it works. i did have to use the built in brush cap as my unit was caked.

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