Walmart has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free with Walmart+ (30-day trial for $1) or orders $35 or more. Otherwise, select store pickup where available.
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
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 very popular front page deal from June 2026 which earned 70 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:
Amazon has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free w/ Prime or on $35+ orders.
This collaborative space allows users to contribute additional information, tips, and insights to enhance the original deal post. Feel free to share your knowledge and help fellow shoppers make informed decisions.
Walmart has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free with Walmart+ (30-day trial for $1) or orders $35 or more. Otherwise, select store pickup where available.
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
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 very popular front page deal from June 2026 which earned 70 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:
Amazon has 19-Oz Frost King Air Conditioner Coil Foaming Cleaner (ACF19) on sale for $6.37. Shipping is free w/ Prime or on $35+ orders.
Deal History includes data from multiple reputable stores, such as Best Buy, Target, and Walmart. The lowest price among stores for a given day is selected as the "Sale Price".
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
yes. in most cases if you wash it regularly though you won't need a cleaner really. you can get it cleaned enough (ie washing off grass clippings, those little weed fuzzies, possibly dryer lint if the condenser unit was improperly installed near a dryer vent, and just other dirt/debris).
a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore:
an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.
turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
Note: this is referring to cleaning evaporator coils which produce condensate (water) and thus basically wash the product off the coils while the unit is running which then drains out the condensate drain line
If you are using this on condenser coils, after applying the cleaner and letting it dissolve the build up on the coils per the instructions, then you should get a hose sprayer on a gentle spray setting and wash the coils down.
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"No rinse necessary for cleaning AC units"
Note: this is referring to cleaning evaporator coils which produce condensate (water) and thus basically wash the product off the coils while the unit is running which then drains out the condensate drain line
If you are using this on condenser coils, after applying the cleaner and letting it dissolve the build up on the coils per the instructions, then you should get a hose sprayer on a gentle spray setting and wash the coils down.
Our community has rated this post as helpful. If you agree, why not thank
Quote
from slickdealgb
:
I have to wash my HVAC condenser?
yes. in most cases if you wash it regularly though you won't need a cleaner really. you can get it cleaned enough (ie washing off grass clippings, those little weed fuzzies, possibly dryer lint if the condenser unit was improperly installed near a dryer vent, and just other dirt/debris).
a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore:
an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.
turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
yes. in most cases if you wash it regularly though you won't need a cleaner really. you can get it cleaned enough (ie washing off grass clippings, those little weed fuzzies, possibly dryer lint if the condenser unit was improperly installed near a dryer vent, and just other dirt/debris). a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore: an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
Repped! Thanks for the info.
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The primary use for this is to clean evaporator coils on a home HVAC. In a car, the evaporator sits in a box buried in your dash. There's no way this product can reach an automotive evaporator. It may deodorize ducts but there are better and cheaper products for that.
"No rinse necessary for cleaning AC units"Note: this is referring to cleaning evaporator coils which produce condensate (water) and thus basically wash the product off the coils while the unit is running which then drains out the condensate drain line If you are using this on condenser coils, after applying the cleaner and letting it dissolve the build up on the coils per the instructions, then you should get a hose sprayer on a gentle spray setting and wash the coils down.
Extra emphasis on the "Gently" part the fins are damaged easily which will cause you 😢
I use the cleaner on my campers A/C units it works. I bought this product on Amazon twice the first time 3/5/2025 the cost was $11.00 even. Then last month 6/7/2026 and the cost was $6.37.
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Anyone that has a Menards nearby can purchase a/c safe air-conditioner coil foaming cleaner for the everyday low price $6.37. After 11% rebate is $5.67
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yes. in most cases if you wash it regularly though you won't need a cleaner really. you can get it cleaned enough (ie washing off grass clippings, those little weed fuzzies, possibly dryer lint if the condenser unit was improperly installed near a dryer vent, and just other dirt/debris). a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore: an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
Thats awful - did they complain? That sounds like a potential lawsuit, actually...
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a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore:
an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.
turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
Note: this is referring to cleaning evaporator coils which produce condensate (water) and thus basically wash the product off the coils while the unit is running which then drains out the condensate drain line
If you are using this on condenser coils, after applying the cleaner and letting it dissolve the build up on the coils per the instructions, then you should get a hose sprayer on a gentle spray setting and wash the coils down.
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Note: this is referring to cleaning evaporator coils which produce condensate (water) and thus basically wash the product off the coils while the unit is running which then drains out the condensate drain line
If you are using this on condenser coils, after applying the cleaner and letting it dissolve the build up on the coils per the instructions, then you should get a hose sprayer on a gentle spray setting and wash the coils down.
Our community has rated this post as helpful. If you agree, why not thank
a lot of HVAC companies will try and upsell cleaning services using acidic cleaners but in most cases it's completely unnecessary and can even cause damage to the coils. i'll use my neighbor's story as an example of his house at the shore:
an HVAC company recommended a condenser cleaning to my neighbor for his old 1990's system b/c they told him that the dark black coating on the fins is years of dirt build up and it's preventing the unit from running efficiency. they said they can clean it with an acidic cleaner. so they did a treatment and it wasn't working well, so they did another one, and another one. so 3 acidic cleaning treatments which is automatically a big no-no. they removed most of the dark coating on the fins and claimed job well done.
turns out, the dark coating was an extra anti-corrosion coating that the manufacturer used back in the 90's for condenser models designed for use in salty-air environments (ie like the shore). today, manufacturers usually use blue, clear, or sometimes brown/gold. so the tech was uneducated on working on older equipment, and ended up stripping off the anti corrosion coating. the coils then started rusting, and it sprung multiple leaks in the coils in 3 1/2 yrs. the unit lost all of the R22 refrigerant and due to the number of pits, it was beyond repair and he had to replace the entire condenser.
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Our community has rated this post as helpful. If you agree, why not thank
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