How Much Does a Water Treatment System Cost in 2026?
A residential water treatment system can cost less than $200 for a basic point-of-use filter or more than $10,000 for a complex, multi-stage whole-house system. For general budgeting, many professionally installed whole-home projects fall between approximately $1,000 and $5,000. The final price depends on what is actually in the water, whether the home uses a
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