A tank-style water heater is generally expected to last eight to twelve years, and past that range, a failing part is often a sign the tank itself is aging rather than an isolated issue worth repairing on its own.
Rust-colored water from the hot tap, a tank that is visibly leaking at the base, or a unit making persistent rumbling noise from sediment buildup are each signs worth a straight assessment rather than another repair.
A North Miami condo unit typically runs a smaller, closet-mounted water heater than a single-family home’s, and sizing a replacement correctly for that space, rather than defaulting to whatever fits, affects how well it actually keeps up.
A repair is recommended first whenever it genuinely makes sense; replacement gets suggested only once repair stops being the more sensible option.