A San Antonio, Texas, homeowner had an AC coil that kept freezing. Water was draining into the filter, especially on hot afternoons. The system still ran, but it struggled to keep the house cool.
In a thread from July 2024, the homeowner laid out the first price: $4,700 for a new coil. Then came an option to replace the air handler and another to replace the whole system. That last quote was $14,000. If you’re holding an AC estimate yourself, that is the moment to pause and ask exactly what changed.
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Three Prices for the AC
The first company quoted $4,700 to replace the evaporator coil. That was the smallest job the homeowner described, aimed at one part of the existing system…