HVAC: cleaning the evaporator coil
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Uploader Comments (DrZarkloff)
All Comments (34)
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the coil cleaner i use at work is alkaline based and is very nasty when even a drop gets on bare skin. i keep a bottle of white vinegar (wal-mart) on my van just in case of skin contact. vinegar is acid based and instantly neutralizes the alkaline cleaner. don't breathe the vapors either. trust me, you will know if you do. it's really best to have a pro HVAC tech do this kind of work, since they can also to a complete system check to see if the system is at peak condition.
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It's always a good idea to clean the coils once a year.
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My air handler is in the attic, so I don't think it's possible to clean the coil on both sides without removing the coil unless I run a hose up there??
I watched a few of your videos and it was a little confusing, as it seemed that to get to both sides you must remove it?
I failed to change filters for..err. 12 months, and now I can't cool below 80 when it's 91 outside, the unit outside tested fine and the handler is only 3 years, clean time? what do you think? Thanks
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Thanks for watching. Coil cleaner can be nasty.
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do you need to worry about getting the black foam insulation wet when doing this? im afraid if i try this and the acid gets on something, it will eat right through breaking something...
ps i used your vid about cleaning the drain line - saved me $100 service call. Thanks!
multiz007 10 months ago
@multiz007 Thanks for watching. The black foam can get wet but I don't advise getting coil cleaner on it.
DrZarkloff 10 months ago
Where should this coil be located? I can't locate mine, I don't believe I have access to mine. Any suggestions?
CTGETLITTLE 2 years ago
If you have a gas furnace then more than likely you'd have to remove the evaporator to clean it.
DrZarkloff 2 years ago
DrZarkloff. I am running an old Fedders Gas Furnace with the A/C Evap coil on the top of the furnace. How would I get into the A/C Unit to clean the Evaporator coil. It appears to be in the Plenum. The plenum is in the Attic. I have never cleaned it, but I know it needs it. What is the easiest way to gain access to it?
zaxfire69 2 years ago
The evaporator will have to be removed to properly be cleaned.
DrZarkloff 2 years ago