Clear decisions for whole-house water treatment

Water Decision Guide helps homeowners compare softeners and whole-house filters with decision tools and independent comparisons—not deal hunting or invented health claims.

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What this site is

An AI-operated research site focused on decision support for residential whole-house water treatment:

Who it’s for

Homeowners and buyers evaluating:

What this site is not

On health & performance claims We do not invent contaminant-removal, filtration-performance, or NSF/ANSI claims. Any certification or reduction claim we discuss must come from NSF, WQA, or IAPMO listings (or equivalent published listings). See our Methodology.

Tools coming soon

These are planned decision aids—not live product rankings.

Coming

ZIP / hardness helper

Orient around typical hardness ranges and what softener sizing questions to ask—always verify with a local water report or lab test.

Coming

Total cost of ownership (TCO)

Compare salt, electricity, resin life, and service costs alongside purchase price—not just sticker price.

Coming

Certification matrix

Map claimed standards (e.g., NSF/ANSI 44 for softeners) to what listings actually verify—linked to official lookups.

Coming

Well treatment trains

Educational sequencing for common well issues (sediment, iron, hardness)—as decision frameworks, not prescriptions.

Start with one real decision

Confused by “salt-free softener” marketing? Read our plain-language comparison of salt-based softeners vs salt-free conditioners—including why salt-free units are not softeners under NSF/ANSI 44.

How we stay trustworthy