Whole-Home Water Filtration: Why It Matters & How to Choose (EWS Water Guide)
EWS Whole-Home Water Filtration
Whole-home (point-of-entry) filtration treats all the water coming into your house—so every faucet and shower benefits. EWS Water’s USA-made systems filter chlorine or chloramine and other contaminants, improve taste and smell, and help protect your plumbing and fixtures. Many EWS systems are engineered for long media life (often up to 10 years before replacement, depending on your water and usage).
Why Whole-Home Filtration?
- Health & comfort: Reduce chlorine/chloramine so showers and baths don’t expose you to unpleasant fumes and skin/eye irritation. EWS highlights whole-home filtration to remove disinfectants and their by-products for cleaner water at every tap.
- Protect plumbing & finishes: Filtering out corrosive disinfectants helps fixtures, appliances, and surfaces last longer.
- Fewer disposable filters: One central system means less bottled water and fewer small cartridges.
How EWS Filters Your Water
- High-grade carbon media: EWS uses premium granular activated carbon (GAC) designed to reduce chlorine, chloramine, THMs/VOCs, PFAS, and more—thanks to huge surface area and long contact time.
- Self-cleaning digital valve: Whole-home systems automatically backwash to maintain flow and performance.
Which EWS System Do I Need?
| Your Water Situation | Recommended Series | Why |
|---|---|---|
| You do NOT have hard-water issues (no heavy spotting/mineral buildup) | CWL Series — Whole-home filtration only | Filters chlorine/chloramine for clean, great-tasting water throughout the home. |
| You DO have hard-water issues (noticeable spotting/build-up) | EWS Spectrum Series — Filtration + hard-water conditioning | Same top-tier filtration plus ICN conditioning to inhibit scale without salt. |
Sizing (pick the tank that matches household demand)
- Standard: up to ~4 full baths / ~4 people.
- Larger: ~4+ baths / ~4+ people.
- Estate: ~6+ baths / ~6+ people (higher flow models available).
CWL (Filtration Only)
What About Maintenance & Warranty?
- Media life: EWS designs systems to deliver long media life (often up to 10 years before media change, depending on local water and use).
- Warranty: EWS provides a limited 10-year tank/conditioner warranty when installed per instructions and registered.
Common Questions:
How much does a whole-home water filtration system cost?
It varies. Total cost depends on house size, plumbing line size (¾″ vs 1″+), media capacity, and installation (permits, bypass, etc.). A typical EWS whole-home setup is often in the $3,000–$4,700 range installed in many homes, with filter media designed to last up to 10 years (model and water conditions matter).
Break it down:
- Equipment amortized over 10 years: $3,000 ≈ $25/mo; $4,000 ≈ $33/mo (about $0.82–$1.10/day).
- Routine service is minimal compared to replacing multiple small filters all over the house.
Compared to bottled water: The average American drinks around 47 gallons of bottled water per year. For a family of four that’s roughly 188 gallons/year—and that’s just drinking water, not showers, laundry, or cooking. Depending on how you buy it (single-serve bottles vs. bulk), bottled water spend can rival or exceed the monthly “all-taps” cost of a whole-home system—while whole-home filtration improves water quality everywhere in the house, not only at the fridge or a single faucet.
Bottom line: The upfront can feel like sticker shock, but spread over a decade—and considering all-home benefits—whole-home filtration is often the more cost-effective, lower-hassle path.
What’s the difference between whole-home filtration and a drinking-water filter?
Whole-home (point-of-entry) filtration treats the water for every tap—showers, laundry, and kitchen—while a drinking-water (point-of-use) filter treats just one faucet or appliance. If taste/odor and chlorine are house-wide concerns, start with whole-home and add a dedicated drinking filter only if needed.
Do EWS systems reduce chlorine and chloramine?
Yes—EWS whole-home systems are designed to target chlorine taste/odor and models are available for chloramine as well. Check the product details to confirm the media blend for your water utility’s disinfectant.
How do I choose the right size?
Match the system to your plumbing line size (¾″, 1″, 1¼″, etc.) and household demand (# of bathrooms/people). Bigger homes and higher peak flow need higher-capacity tanks to keep pressure drop low. If you’re unsure, tell us your line size and bath count and we’ll point you to the right EWS model.
What’s “conditioning,” and is it the same as softening?
Conditioning (in select EWS models) is a salt-free process that inhibits scale adhesion so minerals are less likely to stick to glass, tile, and heating elements. A traditional softener uses salt to exchange hardness minerals for sodium and delivers that “soft” feel. Many city-water homes prefer filtration + conditioning to reduce maintenance and salt use.
Will an EWS system lower my water pressure?
Properly sized systems are designed for minimal pressure drop at typical whole-home flow rates. Undersized systems can create restriction, so choose a unit that matches your plumbing size and usage.
Where does it install?
At the main cold-water line after the municipal shutoff/PRV and before the home branches, so every tap benefits. Leave space for bypass valves and service access.
What maintenance is required?
Service intervals depend on usage and local water quality. Expect periodic media replacement per the model’s manual. No salt refills are needed on filtration-only or filtration + conditioning systems.
Can I use this on well water?
EWS systems are popular on city water (chlorine/chloramine). For wells, a recent water test helps determine if pre-treatment for iron, manganese, or sulfur is needed before whole-home filtration.
Do I still need a fridge filter or RO system?
Many homes are happy with whole-home filtration alone. If you want extra polishing at the kitchen sink (e.g., for coffee/ice), add a point-of-use filter or RO alongside your whole-home system.
What about warranty and certifications?
Warranty terms and certifications vary by model. Check each product page for specifics and keep your install documentation for coverage.
Ready to compare models? Shop our Whole-Home Water Filtration collection.
Good to know: If your municipality uses chloramine (chlorine + ammonia), you need filtration media engineered for it. EWS systems are designed to filter both chlorine and chloramine so you’re covered either way.
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