A softener quote and a salt-free conditioner quote can look similar while promising different results. Ask each seller to state the measurable outcome, exact model and installation requirements before comparing prices. This checklist helps you evaluate the proposal rather than treating every scale-control product as interchangeable.

Put the promised outcome in writing

Quote item Ion-exchange softener Salt-free conditioner
Intended result Reduce calcium and magnesium hardness Model-specific scale-control objective; hardness may remain
Verification Appropriate before-and-after hardness measurement Evidence and acceptance criteria for the specific scale-control claim
Operating information Capacity at selected salt dose, reserve and regeneration settings Media limits, service flow and replacement conditions
Site requirements Space, connections, bypass and compliant regeneration discharge Exact model’s space, connections, bypass and any required pretreatment

If a seller promises “soft water,” ask whether hardness is actually removed. If it promises “less scale,” ask what evidence supports that claim under your water conditions. A simple lower-hardness acceptance test cannot validate a technology whose stated purpose is to leave hardness minerals in the water.

Read the two example models carefully

The Aquasure Harmony AS-HS32D is marketed as a 32,000-grain ion-exchange softener. That headline is a capacity description, not a daily household allowance or a guarantee of performance at every salt setting. The quote should identify the actual operating capacity, hardness input, salt dose, reserve, service flow and expected regeneration assumptions. Check whether the supplied connection is the version your installation needs.

The Pentair Pelican NS3-P is a salt-free conditioner. Pentair’s published certification language for the NS3-P/NS6-P distinguishes material safety and structural integrity from contaminant reduction. NSF/ANSI 61 or a structural-integrity statement does not establish hardness removal. Request the exact current model documentation and evidence for the scale-control result being sold; do not substitute a manual for another high-flow model.

The existing merchant links are model-shopping routes, not a claim that a particular seller’s stock, accessories or warranty terms are unchanged. Match the model on the listing to the written quote.

Reject incomplete installed-price comparisons

Have both quotes show labor, bypass, valves, pretreatment, drainage where required, commissioning, consumables and service access. Ask who handles warranty labor and what happens if the feed water falls outside the manufacturer’s limits. A low equipment price can omit necessary installation work.

For a softener, include regeneration water and salt in the operating estimate. For a conditioner, include media replacement and any required upstream treatment. Do not assume “salt-free” means maintenance-free or that a small footprint guarantees an easier installation.

Keep the acceptance test tied to the purchase

Retain the original water results and agreed outcome with the invoice. Use them at handover instead of judging both products by water feel or a TDS meter. If the concern is a named contaminant rather than hardness or scale, neither category label establishes suitable treatment.

This is a researched quote-review checklist, not hands-on testing. Sources: Aquasure AS-HS32D specifications , Pentair’s NS3-P/NS6-P certification language , and NSF’s standards guide .

Read the process comparison if the distinction between hardness removal and conditioning is still unclear .