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Question DetailsAsked on 7/7/2017

If you change ur upstairs ac coil do you have to change the down stairs coil as well ????


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1 Answer


Sounds like you have have a mini-split unit (one outdoor conpressor/condensor unit, several indoor fan/evaporator coil units). I presume you are asking this because one coil has leaked - though unless the leak is in the coil itself a repair may be possible without replacing the coil. Depending on the make, replacing the coil itself may be possible, or it may be that one entire indoor coil/fan unit or indoor air handler may have to be replaced - some are built so it is not practical to replace just the coil in the wall unit.

Unless you are changing the entire system out because it is getting too old to economically run or maintain, or a compatible coil is no longer available, no. Each coil is independent of the other (though of course commonly connected by common tubing to and from the compressor unit).

Answered 3 years ago by LCD

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