water-treatment

OneSource Water Water Softener Cost Evaluation: Rental vs Buy 2026 Data

OneSource Water Water Softener Cost Evaluation: Rental vs Buy in 2026 A OneSource Water-style dealer or rental water softener program costs $25 to $50 per month in 2026, which totals $3,000 to $6,000 over 10 years — versus a $1,500 national average to buy one outright. Dealer and point-of-use rental programs trade a low or zero up-front cost for a recurring monthly fee that, over a decade, almost always costs more than ownership for a home you plan to keep. Run your own buy-it-outright number first with the Water Softener Install Cost Calculator(/construction/water-softener-install-cost-calculator), then hold that figure up against any monthly quote a dealer hands you. I have read through dozens of dealer and rental softener agreements that homeowners forwarded after they felt the price did not add up, and the pattern is always the same arithmetic trap. One reader signed a $42-per-month softener-plus-filter agreement that looked painless on the...