CRC HVAC Coil Cleaner Pro 500g Aerosol Can $12.50 + Shipping ($0 VIC C&C/ $7 to Metro) @ Revolution Industrial

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TEER3X on 13/12/2021 - 20:50 revolutionindustrial.com.au (445 clicks)
Last edited 15/12/2021 - 12:05 by 1 other user

An industrial strength, foaming coil cleaner. Dissolves grease, oil and sludge from air conditioning & refrigeration coils. Low odour formula that is suitable for both evaporator and condenser coils.

Arguable whether or not this works, but it did get rid of a lot of oil/build up from the outside fins on the unit I used it on.

NB You will need to rinse with water after letting the foam sit for 10 mins, I used a spray bottle filled with water so took me a while.

This is the cheapest I could find, delivered. Repco has it on sale for $27 at the moment.

Free click and collect from Seaford, VIC

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  reductive on 13/12/2021 - 21:11

  +4

  There's nothing like the day long hand cramps from squirt cleaning ac fins. Ouch.
  Could never find this stuff when I've looked in the past, cheers OP.

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  Brodo Faggins on 14/12/2021 - 01:02

  +4

  same price as when I bookmarked it around a couple weeks ago. $7 shipping which is $20

  after 1hr of hunting, I'm tempted to try this one from Bunnings for $16 - also for convenience sakes (note this is trigger spray so pick your poison).

  also found this Amazon one for $21 + free shipping

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    FrugalFreddy on 14/12/2021 - 09:09

    Thanks Brodo, the Bunnings and Amazon options look suited for cleaning the heat exchanger fins on the indoor unit, which is what I'm after. The CRC says its suitable for evaporator and condenser coils, but I am wary of giving it a go because it is described as a foaming spray and would be sure to create a mess. I looked into fin cleaning a while back and found a YouTube video where they put a tray underneath, tape plastic sheet to the wall and create a recirculating wash bath - way more effort than I am prepared to give.

    • 

      TEER3X on 14/12/2021 - 12:02

      I'm not sure why it would be any messier than any other cleaning solution. It likely depends on what A/C unit you have, I used the foam on the inside fins also, but all the water, etc, came out the back on the outside, and very little of it dripped down inside (paper towel was sufficient to clean it).

      You could also try a DIY concoction, I'm sure they all work about the same.

    • 

      Brodo Faggins on 14/12/2021 - 23:25

      Your indoor unit might also have an external aircon unit which will have condensers.

      The foam itself evaporates and there's no liquid after - unless you want to rinse AC with a hose.

      Here's a list of Youtube vids I found & put together for everyone! Happy DIY guys :D

      Edit: forgot the link duhhh

      • 

        TEER3X on 16/12/2021 - 06:57

        the can i linked doesn't evaporate. it's different to the ones in the videos and different to the ones i've used in the past overseas. well that's my understanding anyway, after using the product.

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          Brodo Faggins on 16/12/2021 - 20:42

          @TEER3X: cheers for the update OP - how's your experience overall anyway haha

          • 

            TEER3X on 16/12/2021 - 21:11

            +1

            @Brodo Faggins: Hard to say as I just moved into a rental, the AC filter was filthy so that probably needed the most cleaning. The fins/coils were a little clogged and dirty, I only tested the AC after cleaning everything, works perfectly fine.

            Overall, happy with the purchase.

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              Brodo Faggins on 17/12/2021 - 00:56

              @TEER3X: thanks keen to get my hands dirty this weekend - I'm gonna have a go at the external condenser as well :)

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    eug on 14/12/2021 - 11:58

    I'm tempted to try this one from Bunnings(bunnings.com.au) for $16

    I've used it, it seemed to do the job. I haven't used the CRC one so can't compare the two. I used it on my car and split AC evap coils.

    • 

      Brodo Faggins on 14/12/2021 - 23:20

      Thanks Eug I went with the Bunnings one too! - haven't tried it yet

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  FrugalFreddy on 23/12/2021 - 15:48

  So I ended up buying the Bunnings one as well and it worked well. I did 2 indoor units with about 1/3 of the bottle. I think it was much easier than shown in many of the videos. Here is what I did, it might help someone who hasn't done it before:

  After removing the filter cover and filters, the fins can be properly exposed by removing the front fascia (after turning off power of course). On my Panasonic units removing the fascia required undoing 3 concealed screws at the bottom side of the front, and 1 visible screw. There is a drip tray that drains to the outside, so no real need for the fancy water bath / pump setups, just spray the cleaner on the fins and wait 15mins. I think you could just put it back together and hope that condensate washes the cleaner and muck off the fins, however I used a 500ml spray bottle on jet setting to ensure they were cleaned properly, refilling it about 3 or 4 times. This was powerful enough to get rid of some of the tougher muck, but soft enough not to bend the delicate fins. The blower duct was also pretty mucky and I was able to get to most of it with a damp chux cloth, reaching difficult areas with the assistance of a flexible ruler.