Descaling on Indian Trail water
Manufacturers write one descaling interval for the whole country, and it is set for hard water. Yours comes from Union County Water, and where that supply is soft the exchanger fouls considerably more slowly than that schedule assumes.
We will tell you honestly where you sit on that, because the alternative is descaling a unit annually that does not need it. Two caveats worth knowing before you skip it entirely: some manufacturers require documented annual servicing to keep the heat exchanger warranty valid, which is worth more than the service costs, and a property on a private well is a completely different conversation from one on the municipal supply.
- Descale on an interval that matches your actual water rather than the manual's default.
- Inlet filter clean, which is the most commonly skipped job and the cheapest.
- Flow rate and combustion check, so a declining unit is caught before it fails in January.

What Indian Trail itself changes
The housing in Indian Trail
Indian Trail is one of the two strongest fits in the entire metro for water heater work right now. 59.6% of the housing stock was built between 1990 and 2009 and the median build year is 2004, which means an unusually concentrated cohort of homes reaching second-heater replacement at the same time. If your neighbours have been replacing water heaters, that is not coincidence.
Where the heaters sit
Almost entirely garage and utility closet installs in the production subdivisions, with attic units in the larger two-storey builds. Access is generally good and pricing is predictable.