Entry ion‑exchange (retail 40k) — modeled totals by hardness
12‑month and 5‑year totals across hardness bands. Totals include equipment + typical install + ongoing costs where applicable.
| Hardness band | Upfront (equip + install) | 12‑mo total | 5‑yr total |
|---|---|---|---|
| Soft (0–3.5 gpg) | $1,197 | $1,263 | $1,528 |
| Moderately hard (3.5–7 gpg) | $1,197 | $1,292 | $1,671 |
| Hard (7–10.5 gpg) | $1,197 | $1,320 | $1,813 |
| Very hard (10.5+ gpg) | $1,197 | $1,377 | $2,098 |
Last verified: 2026-09-08
See also: by hardness band · flagship comparison