jjrbus Posted June 27, 2016 Share Posted June 27, 2016 I had posted some time ago with pictures about a scummy, dirty, plugged roof air evaporator and would have liked to add this to that post but cannot find it? I just got around to cleaning it, I have to start at 0 dark 30 in the morning as by 9AM it is too hot on the roof for me. I sprayed it with coil cleaner several times and let it set long time (15 min) in between applications. As I look for other issues I notice the inside of the condenser is cruddy. I do not have enough coil cleaner to do both so another project goes from a couple hours to several days! The outside of the condenser(the part you can see) looks ok, it is inside the unit that is gross! I likely could have done a better job by disassembling and using a coil brush, but good enough for a 22 year old unit. As bad as the condenser looks it is not that bad compared to the evaporator! The evaporator was so bad I am surprised the unit worked!! I should replace the unit but am a bit of a masochist and would rather do it in a Wal Mart parking lot in Algona, Iowa. Does Algona have a Wal Mart? So if your AC is not cooling well it may just need a simple cleaning. Simple? several days if you don't plan right. Jim Left click on photos to enlarge Quote Link to comment Share on other sites More sharing options...
WME Posted June 27, 2016 Share Posted June 27, 2016 Been there, done that, got the T-shirt. I used a pressure washer on the outside coils and a vacuum, air compressor and a stiff brush on the inside coil. Made a difference on real hot days If you do it every couple of years its a lot easier. Quote Link to comment Share on other sites More sharing options...
jjrbus Posted June 27, 2016 Author Share Posted June 27, 2016 Thanks for the response. No way no how would I have the courage to use a pressure washer on the coil's! Quote Link to comment Share on other sites More sharing options...
Maineah Posted June 27, 2016 Share Posted June 27, 2016 You'll be OK just use it from the inside out that stuff is a lot tougher then you think. They also make a thing called a condenser comb to straighten the fins out too. Quote Link to comment Share on other sites More sharing options...
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