Different outcomes
An ion-exchange softener removes hardness minerals through its designed exchange process. A salt-free conditioning proposal may aim to change scale behavior rather than reduce measured hardness. Ask for the exact mechanism and independent documentation, and compare both options against the result you want.
Read the practical limits
Request feed-water conditions, flow limits, installation requirements and service costs. A no-salt headline does not establish that a system removes contaminants or performs like a softener. Existing treatment can change the feed water, so measurements should identify the sample point.
Check the chosen outcome
Use the right check for the stated goal. A hardness test can assess softening but does not by itself verify every scale-conditioning claim. Keep the written performance scope and limitations so future maintenance or a complaint is evaluated against what was actually sold.
House, additional buildings and private-well boundaries
For a Wellington request, identify the supply serving each building before discussing equipment. A household connected to municipal water differs from a house on a private well, and a barn or irrigation line may be a separate scope. List the affected outlets and the demand the proposal is expected to serve. Do not apply a domestic equipment recommendation to animal-care or other specialist uses without the relevant professional guidance. A written line map helps the provider assess the correct project.