2026 Whole-House Water Filter Cost Index

New original research: the 10-year cost of ownership for all 49 systems in our Whole-House Water Filter Database, with every figure labeled documented or estimated.

49-System 10-Year Total Cost of Ownership Index

Original research by the Pure Whole House Team · Last verified September 30, 2026 · 49 systems, 11 brands

Looking for our full breakdown of equipment prices, plumber installation rates, and hidden upkeep fees? Read our complete Whole House Water Filter Cost Guide (2026).

The sticker price of a water filter is a poor predictor of what it costs to own. This index puts the number manufacturers never advertise front and center: the 10-year total cost of ownership — equipment, installation, and a decade of replacement media, cartridges, and salt — for every whole-house system in our database, sorted cheapest-to-own first.

The headline finding: cartridge systems routinely double their purchase price over 10 years in replacement media, while tank systems cost mostly upfront. A $420 system can cost more to own than a $2,000 one. Always compare 10-year totals, not sticker prices.

The formula

10-year total = equipment + installation + (annual upkeep × 10)
Annualized cost = 10-year total ÷ 10

All figures are ranges observed on a stated date, never stale single numbers. Ranges reflect real price variation across retailers and install quotes — installation especially varies by home, plumbing, and region.

Methodology in brief

  • 49 systems from 11 brands: SpringWell, Kind, Aquasana, iSpring, Pelican/Pentair, US Water Systems, Home Master, APEC, 3M Aqua-Pure, GE, Whirlpool.
  • Prices observed September 30, 2026 (SpringWell CF1 re-observed October 3, 2026) from manufacturer sites and major retailers. Always check the current price before buying; ours go stale.
  • Documented (34 systems): every figure found in a manufacturer document, certification listing, or live retail price. Estimated (12): inferred from a comparable source with the basis labeled. Partial (3): some figures unavailable anywhere we could find.
  • Assumes ~300 gallons/day household use where replacement intervals are gallon-rated. Installation ranges assume standard installs; complex plumbing, electrical, or drain work costs more.
  • We have no lab and did no hands-on testing. Read the full methodology: verification processes, certification checks against live NSF/WQA/IAPMO listings, price-check cadence, and limitations.

The index: 49 systems by 10-year cost

* Estimates. Sorted by 10-year total, cheapest first. One system (SpringWell CSF4) has no published equipment price, so no 10-year total could be computed.

#SystemBest forEquipment*Install*Annual upkeep*10-year total*≈ $/yearData
1APEC CB1-SED20-BB
APEC
High-flow sediment pre-filter$137–$150$300–$1,000$0–$25$437–$1,400$44–$140/yrEstimated
2Whirlpool WHELJ1
Whirlpool
Big-box carbon filter, easy cartridges$297–$579$200–$500$0$497–$1,079$50–$108/yrPartial
3iSpring WGB12B
iSpring
Compact 2-stage for small homes$102–$129$300–$600$50$902–$1,229$90–$123/yrDocumented
4GE GXWH70M
GE
Budget city filter, larger capacity$206–$230$150–$350$64$995–$1,219$100–$122/yrPartial
5APEC CB1-CAB20-BB
APEC
Big carbon block for city chlorine$147–$153$300–$1,000$70–$90$1,147–$2,053$115–$205/yrDocumented
6GE GXWH60T
GE
Budget city filter, NSF 42 certified$99–$130$100–$250$120$1,399–$1,580$140–$158/yrPartial
7iSpring WGB22B
iSpring
2-stage city filter, budget pick$287–$370$300–$600$83–$100$1,416–$1,970$142–$197/yrDocumented
8SpringWell CF1
SpringWell
City chlorine, 1-3 baths$1,160$300–$600$27–$40$1,730–$2,160$173–$216/yrDocumented
9iSpring WF150K
iSpring
Tank-style city filter, low upkeep$1,327–$1,989$200–$600$0–$10$1,527–$2,689$153–$269/yrDocumented
10iSpring WGB32B
iSpring
3-stage city workhorse$420–$441$300–$700$114–$227$1,860–$3,411$186–$341/yrDocumented
11Home Master (Perfect Water Technologies) HMF2SmgRFCC
Home Master
Well water iron + manganese$360$250–$600$130–$200$1,910–$2,960$191–$296/yrEstimated
12SpringWell FS1 FutureSoft Salt-Free Water Conditioner (1–3 bathrooms)
SpringWell
Salt-free scale control, 1-3 baths$1,450–$1,597$300–$500$20–$40$1,950–$2,497$195–$250/yrDocumented
13Kind Water E-2000
Kind
Salt-free conditioner only$1,082–$1,353$150–$300$75–$150$1,982–$3,153$198–$315/yrEstimated
14iSpring WGB32BM
iSpring
Iron + manganese for well water$437–$483$300–$600$126–$210$1,997–$3,181$200–$318/yrDocumented
15SpringWell CF4
SpringWell
City chlorine, 4-6 baths$1,500–$1,800$300–$600$27–$40$2,070–$2,800$207–$280/yrDocumented
16US Water Systems Matrixx Smart Metered Water Softener (MXX-100 / MXX-150 / MXX-200)
US Water Systems
Metered salt softener$1,296–$1,751$300–$1,000$50–$150$2,096–$4,251$210–$425/yrEstimated
17Home Master HMF3SDGFEC
Home Master
3-stage city filtration$471–$504$300–$1,000$135–$215$2,121–$3,654$212–$365/yrDocumented
18Home Master HMF2SMGCC
Home Master
Catalytic carbon for chloramine cities$325–$376$300–$1,000$150–$160$2,125–$2,976$212–$298/yrDocumented
19Pelican (Pentair) PC600
Pelican
City chlorine, smaller homes$828–$1,049$300–$700$100–$180$2,128–$3,549$213–$355/yrEstimated
20Kind Water E-1000
Kind
Chlorine + salt-free conditioning, yearly upkeep$770–$980$150–$300$124–$200$2,160–$3,280$216–$328/yrDocumented
21SpringWell SS1 (32,000-grain salt-based softener)
SpringWell
True salt softening, 1-3 baths$1,531–$1,800$300–$800$40–$100$2,231–$3,600$223–$360/yrDocumented
22Pelican (Pentair) PC1000
Pelican
City chlorine, 1-3 baths$1,052–$1,299$200–$600$100–$156$2,252–$3,459$225–$346/yrDocumented
23Aquasana Rhino EQ-1000
Aquasana
City chlorine for 3-4 bath homes$1,998$300–$600$100–$120$3,298–$3,798$330–$380/yrDocumented
243M Aqua-Pure AP902
3M Aqua-Pure
Budget whole-house sediment + chlorine$328–$370$150–$300$185–$235$2,332–$3,019$233–$302/yrDocumented
25SpringWell CSF1 Water Filter + FutureSoft Salt-Free Combo (city water, 1–3 bathrooms)
SpringWell
Chlorine + salt-free combo, 1-3 baths$1,531–$2,321$500–$700$40–$70$2,431–$3,721$243–$372/yrDocumented
26SpringWell CF+ Whole House Water Filter (7+ bathrooms, 20 GPM)
SpringWell
Chloramine + chlorine for 7+ bath homes$1,737–$2,112$300–$1,000$40–$65$2,437–$3,762$244–$376/yrDocumented
27SpringWell FS4 FutureSoft Salt-Free Water Conditioner (4–6 bathrooms)
SpringWell
Salt-free scale control, 4-6 baths$1,960$300–$500$20–$40$2,460–$2,860$246–$286/yrDocumented
28US Water Systems Matrixx Smart Whole House Backwashing Catalytic Carbon Filter (081-MXF-CX-200)
US Water Systems
Backwashing carbon, low maintenance$1,596$300–$1,000$61–$98$2,506–$3,576$251–$358/yrDocumented
29SpringWell SS4 Salt-Based Water Softener (4-6 bathrooms, 48,000 grain)
SpringWell
True salt softening, 4-6 baths$1,684$300–$1,000$75–$150$2,734–$4,184$273–$418/yrDocumented
30APEC CB3-SED-KDF-CAB20-BB
APEC
3-stage city filter with KDF for heavy metals$471–$504$300–$1,000$200–$220$2,771–$3,704$277–$370/yrDocumented
31iSpring WGB32B-PB
iSpring
Lead + chlorine for older plumbing$572–$750$300–$600$190$2,772–$3,250$277–$325/yrEstimated
32SpringWell WS1 Well Water Filter (1–3 bathrooms)
SpringWell
Well iron/manganese/sulfur, 1-3 baths$2,003–$2,255$500–$700$40–$150$2,903–$4,455$290–$446/yrDocumented
333M Aqua-Pure AP903
3M Aqua-Pure
City chlorine + sediment, drop-in cartridges$425–$545$250–$600$233–$299$3,005–$4,135$300–$414/yrDocumented
34Aquasana Rhino EQ-1000-AST (whole-house filter + SimplySoft salt-free conditioner, no UV)
Aquasana
Chlorine + salt-free scale control, no softener$1,773–$1,847$300–$1,000$100–$290$3,073–$5,747$307–$575/yrDocumented
35Kind Water E-3000
Kind
Larger combo for big city homes$1,780–$2,094$300–$600$100$3,080–$3,694$308–$369/yrDocumented
363M Aqua-Pure AP904
3M Aqua-Pure
Chlorine plus salt-free scale inhibition$421–$490$150–$300$272–$316$3,292–$3,947$329–$395/yrDocumented
37SpringWell WS4 Well Water Filter (4–6 bathrooms)
SpringWell
Well iron/manganese/sulfur, 4-6 baths$2,690$500–$700$40–$150$3,590–$4,890$359–$489/yrDocumented
38iSpring WDS150K
iSpring
Salt-free scale prevention add-on$315–$363$300–$600$308$3,695–$4,043$370–$404/yrDocumented
39Aquasana Rhino EQ-1000-AST-UV (whole-house filter + SimplySoft + UV purifier)
Aquasana
Chlorine + scale + UV disinfection$2,077–$2,596$300–$1,000$140–$390$3,777–$7,496$378–$750/yrDocumented
40Pelican (Pentair) PSE1800
Pelican
Filter + conditioner combo$2,599–$2,700$500–$1,200$90–$136$3,999–$5,260$400–$526/yrEstimated
41Kind Water WS-6000
Kind
Well water filtration + conditioning (NOT for iron/sulfur)$2,541–$2,800$300–$600$150–$250$4,341–$5,900$434–$590/yrEstimated
42Aquasana Rhino EQ-WELL-UV-PRO-AST (well-water filter + SimplySoft + UV purifier)
Aquasana
Well water: sediment + iron + scale + UV$2,697$300–$1,000$140–$340$4,397–$7,097$440–$710/yrDocumented
43Pelican (Pentair) PSE2000
Pelican
Larger filter + conditioner combo$2,900–$3,099$500–$1,200$100–$156$4,400–$5,859$440–$586/yrDocumented
44US Water Systems Bodyguard Whole House Filtration + GreenWave Salt-Free Softener Alternative System
US Water Systems
Filter + salt-free alternative combo$2,180–$3,274$400–$1,000$194–$262$4,520–$6,894$452–$689/yrDocumented
45Kind Water E-3000UV
Kind
Combo + UV for well or city$2,585–$2,680$300–$1,000$200–$312$4,885–$6,800$488–$680/yrDocumented
46US Water Systems Matrixx InFusion Iron and Sulfur Removal System
US Water Systems
Well iron + sulfur oxidation system$2,983–$3,179$500–$1,500$200–$600$5,483–$10,679$548–$1,068/yrEstimated
47US Water Systems Defender Whole House Reverse Osmosis System
US Water Systems
Whole-house RO for severe contamination$10,895–$16,395$4,000–$6,000$80–$300$15,695–$25,395$1,570–$2,540/yrEstimated
48Pelican (Pentair) WF10-P
Pelican
Well iron + salt-free conditioning—$800–$2,000$120–$270——Estimated
49SpringWell CSF4
SpringWell
Chlorine + salt-free combo, 4-6 baths—$300–$600$27–$40——Estimated

How to cite this index

Journalists and bloggers: you are welcome to cite these figures with attribution and a link back. Suggested format:

Pure Whole House, “2026 Whole-House Water Filter Cost Index” (verified September 30, 2026), https://purewholehouse.com/cost-index/

Please note the verification date when citing — prices move. For the underlying dataset, methodology details, or a quote, contact us via the contact page.

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