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Internet # 206740351

Model # AC-921

Store SKU # 1001704522

Top Rated

Air Conditioner Foaming Coil Cleaner

$9.98
  • Helps clean air conditioner coils to extend the life of the unit
  • Features a self-rinsing design for convenience
  • Easy to apply with the included 360-degree valve
  • View More Details

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Return this item within 90 days of purchase.

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Product Details

About This Product

The AC-Safe 19 oz. Air Conditioning Coil Foaming Cleaner is a heavy-duty detergent undoubtedly eliminates dirt, grease and oil. With a unique 360° valve, it can be sprayed in any position. It is appropriate for use with practically any coils.

Highlights

  • Heavy-duty detergent easily removes dirt, grease and oil from air conditioner coils
  • Suited for use in most coils such as window air conditioners, roof top units, central air systems
  • Self-rinsing foam cleaner
  • Equipped with a special 360° valve
  • Neutralizes odors but will not harm drain pans, plastics or other unpainted materials
  • Return Policy

Product Information

Internet # 206740351

Model # AC-921

Store SKU # 1001704522

Specifications

Dimensions: H 10 in, W 2.75 in, D 2.5 in

Dimensions

Product Depth (in.)

2.5 in

Product Height (in.)

10 in

Product Thickness (in.)

2.5 in

Product Width (in.)

2.75 in

Details

Appliance Series

Not Applicable

Brand/Model Compatibility

N/A

Pack Size

1

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

NONE

Questions & Answers

Can you clean ac filter door with this cleaner?
ByFeb 4, 2026
1 Answer | 
Answer This Question

Due to the risk of the filter becoming wet, this is not advised.

By|Feb 5, 2026


    Can I spray the heat exchange
    ByJan 1, 2026
    1 Answer | 
    Answer This Question

    Yes, the heat exchanger coil can be cleaned using an approved foaming air-conditioning coil cleaner. The cleaning will be performed with the unit powered off and in full compliance with the manufacturer’s instructions and all applicable safety procedures. Electrical components will be protected throughout the process.

    By|Jan 2, 2026


      Would this product be safe to use on auto air conditioning coils
      ByOct 22, 2025
      1 Answer | 
      Answer This Question

      Yes

      By|Oct 22, 2025


        Can you put ac panels back on after spraying foam
        ByAug 13, 2025
        1 Answer | 
        Answer This Question

        I would recommend giving it about 15 minutes before putting AC panels back on, just to give it some time to dry and push all the dirt and debris out of coils.

        By|Aug 13, 2025


          How long do you leave it on before you rinse
          ByJul 24, 2025
          1 Answer | 
          Answer This Question

          Depending on the temperature outside, leave the coil cleaner on for about 20-30 minutes.

          By|Mar 26, 2026

            (4)

            How many cans per condenser?
            ByJun 28, 2025
            1 Answer | 
            Answer This Question

            We recommend starting with one .

            By|Jun 30, 2025


              Anybody use this for their car evap?
              ByJun 27, 2025
              1 Answer | 
              Answer This Question

              Yes, it is adjustable

              By|Aug 5, 2025

                (1)

                The inside of my evaporator A COIL is not accessible but the outside is. Will this product work if I spray it on the outside and let it sink down to the inside and flush it with water?
                ByJun 20, 2025
                1 Answer | 
                Answer This Question

                I found that doing as you describe does help, but it is more effective if you can get both sides.

                By|Aug 5, 2025

                  (1)

                  Viewing 1-8 of 153

                  Customer Reviews

                  4.4 out of 5

                  • 4.4 out of 1,472 reviews
                  • 85% recommend this product
                  Filter by:
                  Showing 1-10 of 1,472 reviews
                  Works great! I needed two cans to do both the outside and the inside of the AC unit. If you only do either inside or outside, one can should be enough.
                  by
                  • Verified Purchase
                  This customer chose to rate the product and not provide text.
                  by
                  This customer chose to rate the product and not provide text.
                  by
                  • Verified Purchase
                  We have lots of AC machines that need cleaning from all the trees and bushes around the building. Giving them a rinse and a spray of this and letting it sit for a few minutes than spraying it off really does make a difference on the coils. The dirt runs right off without any light scrubbing or worrying about bending of the fins. I will be getting more of this, I am sure.
                  by
                  • Verified Purchase
                  I bought two cans of this product to clean the coils on our Amana Hvac outdoor A/C unit because they were caked with dust/dirt. Spray it on (product foams up upon dispersal/contact with coils), let it sit for about 10-15 minutes and then carefully hose off to reveal shiny, silvery coils. I used 1 and a half cans for the entire unit. I suggest doing this the same time you replace the fiberglass air filter in your air handler (often located in the attic). A/C blew considerably colder after treatment with this product. Highly recommended.
                  by
                  • Verified Purchase
                  2 found this review helpful
                  Did the job!
                  This spray did its purpose. Our coils were filthy so we did a lot of prep-work before spraying this on. It seems to get a lot of the dirt/grime from the inside of the coils which was ideal. You can see in the photos the drastic difference. Very much recommend this spray and for the price, you can't beat it.
                  by
                    • Recommended
                    Careless Packaging
                    The item arrived in a box with no packaging to keep it from bouncing around and the spray tip was broken off. Home Depot needs more quality control in their shipping dept.
                    by
                      • Recommended
                      3 found this review helpful
                      Application was Not as foamy as I thought it would be, needed two cans to complete the job, happy with results.
                      by
                      • Verified Purchase
                      3 found this review helpful
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      4 found this review helpful
                      Problem solved.....
                      My ac unit is in direct sunlight during the hottest part of the day. I was going to get an enclosure to block the sun... @ 83° ambient, only 62° at the registers and took around 1hr to drop inside temp from 79° to 75°. I removed the 8 screws from the top cover, tilted it(still connected to the fan motor), vacuumed and sprayed a whole can of Air Conditioner Foaming Coil Cleaner inside and out, then garden hosed it off from the inside & outside. Turned the power back on and set the temp to 75°. Current ambient temp 84° (RealFeel Sun 92°), inside temp dropped from 80° to 75° in 30 minutes, and now 52° at the registers. Problem solved:)
                      by
                        • Recommended
                        11 found this review helpful
                        Showing 1-10 of 1,472 reviews

                        Compare Key Features

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                        Product Snapshot

                        Ideal for customers who want heavy-duty cleaning, ensuring effective dirt, grease, and oil removal.
                        Must-have for maintaining HVAC efficiency and extending system life with ease.
                        Ideal for customers who want to maintain HVAC efficiency, ensuring professional-grade coil cleaning.

                        Filtration Capacity

                        Filter Lifetime Indicator

                        Odor Elimination

                        Neutralizes odors
                        Effective for heavily soiled surfaces

                        Antimicrobial Properties

                        Hypoallergenic