Constructionwater filtration, construction
Whole House Water Filtration System Installation Cost: 2026 Data & Averages
Whole House Water Filtration System Installation Cost: 2026 Data & Averages A whole house water filtration system costs $850 to $5,400 installed for most US homes in 2026, with the average treatment system landing near $2,273. Basic sediment-only setups run $300-$800, carbon systems for city water run $800-$2,000, and multi-stage well-water builds run $2,500-$5,500. Premium well systems with iron removal and UV reach $8,000 or more. Price your exact configuration with our Whole House Water Filter Cost Calculator(/construction/whole-house-water-filter-cost-calculator). The most expensive mistake in this category is buying the wrong filter. Homeowners routinely pay door-to-door reps several thousand dollars for a "premium purification system" after a free in-home test dramatically discolors the water, when a certified lab test would have shown they needed only a targeted iron filter and a UV bulb costing a fraction as much. Testing first, not shopping first, is the highest-ROI move in this entire category. This...