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How do I clean these AC coils? Login/Join 
Sound and Fury
Picture of Dallas239
posted
I know the coils need to be cleaned; there's gunk coming out of the nearby vents. So I watch a bunch of YouTube videos that make it look simple. I peel off the tape, scrape off the goo, remove the access panel, and Confused all I can see is the backside of the coil. Is there supposed to be a way to get to the other side, or am I out of luck?





"I've spoken of the shining city all my political life, but I don't know if I ever quite communicated what I saw when I said it. But in my mind it was a tall proud city built on rocks stronger than oceans, wind-swept, God-blessed, and teeming with people of all kinds living in harmony and peace, a city with free ports that hummed with commerce and creativity, and if there had to be city walls, the walls had doors and the doors were open to anyone with the will and the heart to get here." -- Ronald Reagan, Farewell Address, Jan. 11, 1989

Si vis pacem para bellum
There are none so blind as those who refuse to see.
Feeding Trolls Since 1995
 
Posts: 18040 | Registered: February 22, 2002Reply With QuoteReport This Post
delicately calloused
Picture of darthfuster
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Welp, you might not want to know this but I have done the service you are asking about. On my furnace (which is identical to yours it appears) I have to disassemble the blower, burners and heat exchange unit to gain access to the inside of the A/C plenum. Then I use a shop vac tool I modified with flat brush agitators to clean it out. I do this once a year. It takes two hours start to finish. Amazing how much stuff gets in there even with frequent filter changes. The first time I did it, the plenum was packed with condensed dust bunnies from years of neglect by the previous homeowner. I actually had to use an angled metal comb device to scrape the debris out. They don't call me Dusty for nuthin' yo!



You’re a lying dog-faced pony soldier
 
Posts: 29997 | Location: Norris Lake, TN | Registered: May 07, 2008Reply With QuoteReport This Post
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You are not going to clean that coil without pulling it out or dismantling the furnace.
Neither of which, do I recommend for a DIY task.

Notes:
I dont see a drip leg on the gas line (If there is one, its before the shutoff and not after it).
No electrical disconnecting means.
And no condensate safety switch on the evaporator drain or one on the overflow pan.




 
Posts: 10062 | Registered: October 15, 2008Reply With QuoteReport This Post
Sound and Fury
Picture of Dallas239
posted Hide Post
quote:
Originally posted by Excam_Man:
You are not going to clean that coil without pulling it out or dismantling the furnace.
Neither of which, do I recommend for a DIY task.

Notes:
I dont see a drip leg on the gas line (If there is one, its before the shutoff and not after it).
No electrical disconnecting means.
And no condensate safety switch on the evaporator drain or one on the overflow pan.


So a job for a pro then. Any idea what I should expect to pay, or is this not worth it? The unit is probably ten years old, but not certain.

There is a disconnect switch, but correct about no drip leg or overflow switch.

I knew this was an issue when we bought the house but assumed it wouldn't be a big deal...




"I've spoken of the shining city all my political life, but I don't know if I ever quite communicated what I saw when I said it. But in my mind it was a tall proud city built on rocks stronger than oceans, wind-swept, God-blessed, and teeming with people of all kinds living in harmony and peace, a city with free ports that hummed with commerce and creativity, and if there had to be city walls, the walls had doors and the doors were open to anyone with the will and the heart to get here." -- Ronald Reagan, Farewell Address, Jan. 11, 1989

Si vis pacem para bellum
There are none so blind as those who refuse to see.
Feeding Trolls Since 1995
 
Posts: 18040 | Registered: February 22, 2002Reply With QuoteReport This Post
delicately calloused
Picture of darthfuster
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Around here that costs 325.00-ish



You’re a lying dog-faced pony soldier
 
Posts: 29997 | Location: Norris Lake, TN | Registered: May 07, 2008Reply With QuoteReport This Post
Member
Picture of Ripley
posted Hide Post
quote:
Originally posted by darthfuster:

They don't call me Dusty for nuthin' yo!


Darthfuster - Dustfarter? I hope so, I love spoonerisms. Smile




Set the controls for the heart of the Sun.
 
Posts: 8656 | Location: Flown-over country | Registered: December 25, 2008Reply With QuoteReport This Post
delicately calloused
Picture of darthfuster
posted Hide Post
quote:
Originally posted by Ripley:
quote:
Originally posted by darthfuster:

They don't call me Dusty for nuthin' yo!


Darthfuster - Dustfarter? I hope so, I love spoonerisms. Smile


The older I get, the more apropos that description. However Darthfuster is a variation on Fustercluck which was my identity on several other fora. I just decided to alter it at the last second. Big Grin But Dustfarter makes me lol.



You’re a lying dog-faced pony soldier
 
Posts: 29997 | Location: Norris Lake, TN | Registered: May 07, 2008Reply With QuoteReport This Post
Dances With
Tornados
posted Hide Post
quote:
Originally posted by darthfuster:
quote:
Originally posted by Ripley:
quote:
Originally posted by darthfuster:

They don't call me Dusty for nuthin' yo!


Darthfuster - Dustfarter? I hope so, I love spoonerisms. Smile


The older I get, the more apropos that description. However Darthfuster is a variation on Fustercluck which was my identity on several other fora. I just decided to alter it at the last second. Big Grin But Dustfarter makes me lol.


Really? I thought it was a twist on Fart Duster.
.
 
Posts: 12063 | Location: Near Hooker Oklahoma, closer to Slapout Oklahoma | Registered: October 26, 2009Reply With QuoteReport This Post
Thank you
Very little
Picture of HRK
posted Hide Post
They make coil cleaner sprays you can get at home improvement stores, its not as good as having a company fully clean the unit by taking it out...

https://hvactraining101.com/ac-coil-cleaners/
 
Posts: 24650 | Location: Gunshine State | Registered: November 07, 2008Reply With QuoteReport This Post
delicately calloused
Picture of darthfuster
posted Hide Post
quote:
Originally posted by OKCGene:
quote:
Originally posted by darthfuster:
quote:
Originally posted by Ripley:
quote:
Originally posted by darthfuster:

They don't call me Dusty for nuthin' yo!


Darthfuster - Dustfarter? I hope so, I love spoonerisms. Smile


The older I get, the more apropos that description. However Darthfuster is a variation on Fustercluck which was my identity on several other fora. I just decided to alter it at the last second. Big Grin But Dustfarter makes me lol.


Really? I thought it was a twist on Fart Duster.
.


You know forensically it's pretty tough to dust for farts. Can't really dust for vomit either. That would be a frustrating job for sure.



You’re a lying dog-faced pony soldier
 
Posts: 29997 | Location: Norris Lake, TN | Registered: May 07, 2008Reply With QuoteReport This Post
Dances With
Tornados
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^^^^^^^ A Fart Duster is a person who strolls through a busy office and releases silent but awful odious emissions.
 
Posts: 12063 | Location: Near Hooker Oklahoma, closer to Slapout Oklahoma | Registered: October 26, 2009Reply With QuoteReport This Post
delicately calloused
Picture of darthfuster
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We call those 'crop dusters' lolol



You’re a lying dog-faced pony soldier
 
Posts: 29997 | Location: Norris Lake, TN | Registered: May 07, 2008Reply With QuoteReport This Post
Member
posted Hide Post
quote:
Originally posted by HRK:
They make coil cleaner sprays you can get at home improvement stores, its not as good as having a company fully clean the unit by taking it out...

https://hvactraining101.com/ac-coil-cleaners/


Good luck with that, since you'd be applying it to the wrong side of a vertical coil.




 
Posts: 10062 | Registered: October 15, 2008Reply With QuoteReport This Post
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