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Question DetailsAsked on 9/20/2017

why are coils on ac fraying and splitting after 3 yrs of installation

new ac 3 yrs ago. Copper tubing at at the bend between compressor and accumulator. Coils are beginning to fray and in in spots split. Why is this happening after only 3 yrs. I am senior citizen on disability. No body want to take responsibilty for this and I have already been charged $1300.00 I really could use some help or guidance in what I am to do. What happened to five years manufactures out of the box or was I misinformed Thank You

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1 Answer


Because they are inherently faulty - combining aluminum and copper in a radiator is an invitation to corrosion - though might also be just a cheap soldering job. Unfortunately, to save maybe $50 or so in copper cost, most manufacturers are now making only the bi-metallic ones or even soild aluminum - an invitation to corrosion and early failure in that wet environment, so other than paying $500-1000 more for one of the hard to get stainless coils not much you can do about that.

I would check the warranty on the unit and deal directly with the manufacturer - though generally their warranty only covers replacement of the coil, not any labor - so out of the commonly $1000-2000 coil replacement cost they might cover from a few hundred to about $500 of that.

You don't say what you have apaid $1300 for so far - but sounds like you still have the failed coil in plae, so other than about $100 or so diagnosis to say - yeah, your condensor coil is failing - I can't imagine what the $1300 paid for, unless they were putting a lot of gas in the unit without finding the source of the leak.

If you feel you have been taken advantage of, first talk to the owner of the HVAC company doing the work for you - it might be he will make it good and refund most of the charges to date (assuming a new coil has not already been installed, for which $1300 would be in the normal range).

Otherwise, if you feel they took advantage of you, most states and some more populous cities and counties have Elder Fraud units - commonly in the local District Attorney's office, or at least they can put you in touch with the proper office -as could probably the Mayor's Office.

Of course, after all is said and done, if you feel you have been shafted, you can post an honest Review on Angies List.

Answered 3 years ago by LCD

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