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Brand facts · read November 2026

EcoWater Systems: what it sells, how it sells, and what it says

Facts from EcoWater Systems’ own pages and public certification listings. We don’t rate or rank brands.

Short answer

EcoWater sells whole-house filters, salt-based softeners and under-sink reverse osmosis through local dealers. 3 of its products appear in a public NSF, WQA or IAPMO certification listing. EcoWater Systems is a Marmon Group company, part of Berkshire Hathaway.

EcoWater Systems’ website and public NSF/WQA listings, read November 2026 · Sources

01 · Products

What EcoWater Systems sells

LinePriceExamples
Whole-house filtersNot publisheddealer quoteWhole home filtration systems; Iron filters; Acid water neutralizers (problem water systems)
Salt-based softenersNot publisheddealer quoteWater softeners; Water refiners (softener plus chlorine taste/odor reduction)
Under-sink reverse osmosisNot publisheddealer quoteReverse osmosis systems (ERO series); eflow tankless RO

Names and prices as shown on EcoWater Systems’ site, read November 2026. Ranges span sizes and models; sale prices come and go. Check the brand for today’s price.

02 · Listings

Public certification listings

Products we found in NSF’s or WQA’s public directories, with the standards they’re listed under. NSF/ANSI 53 and 58 listings that name PFOA and PFOS, the two PFAS “forever chemicals” with federal limits, are the ones the U.S. Environmental Protection Agency (EPA) and NSF point to. What the numbers mean.

03 · In their words

What EcoWater Systems says

"partners with over 250 dealers"
EcoWater Systems, on the dealers whose technicians install its systems · source
"backed by a highly trained international dealer network"
EcoWater Systems · source

04 · Warranty

Warranty and guarantee, in EcoWater Systems’ terms

Tanks
Varies by model. ESS1152 (1100 series) spec sheet: mineral tank for the lifetime of the original owner; salt tank 10 years. EEC1502 spec sheet (2018): mineral tank 10 years; salt tank 5 years.
Valve
ESS1152: valve body, electronic faceplate and all other parts 3 years. EEC1502: 1 year.
Electronics
ESS1152: electronic faceplate 3 years. EEC1502: 1 year.

05 · At a glance

About EcoWater Systems

Owner
A member company of The Marmon Group, a Berkshire Hathaway company
Headquarters
2805 Dodd Road, Suite 300, Eagan, Minnesota 55121 (listed as 'EcoWater Headquarters’). Note: this is Eagan, not Woodbury;
How it sells
Sold, installed and serviced by independent EcoWater dealers ('Water Pros’) after a free in-home water test. No online store or published prices on ecowater.com.
Installation
Installation is done by EcoWater dealers’ technicians; the brand site offers no DIY path.

Does EcoWater Systems fit your water?

What you need depends on your water, not the brand: hardness decides whether a softener is worth it, and PFAS (“forever chemicals”) or chloramine decide which filter. Look up your city first, then compare.

Sources

  1. 01EcoWater Systems: ownership
  2. 02EcoWater Systems: company information
  3. 03EcoWater Systems: whole-house filters
  4. 04EcoWater Systems: salt-based softeners
  5. 05EcoWater Systems: under-sink reverse osmosis
  6. 06NSF listing: Water softeners (several models), read 2026-11-04
  7. 07EcoWater Systems: warranty (tanks)
  8. 08EcoWater Systems: warranty (electronics)

Everything on this page is read from EcoWater Systems’ own pages or public certification directories. Claims are EcoWater Systems’, in its words. We don’t test products.