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Water Filtration and Treatment Systems

At Design West Mechanical, our core values—integrity, excellence, and innovation—are at the heart of everything we do. We take pride in fostering strong relationships with our clients and ensuring every project is carried out with precision and care.
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WHAT WE DO

All the AREAS
that we SERVE

King County:

Algona, Auburn, Beaux Arts Village, Bellevue, Black Diamond, Bothell, Burien, Carnation, Clyde Hill, Covington, Des Moines, Duvall, Enumclaw, Federal Way, Hunts Point, Issaquah, Kenmore, Kent, Kirkland, Lake Forest Park, Maple Valley, Medina, Mercer Island, Milton, Newcastle, Normandy Park, North Bend, Pacific, Redmond, Renton, Sammamish, SeaTac, Seattle, Shoreline, Skykomish, Snoqualmie, Tukwila, Woodinville, Yarrow Point.

Pierce County:

Tacoma, Lakewood, Puyallup, University Place, Bonney Lake, Sumner, Gig Harbor, Fircrest, Milton, Edgewood, DuPont, Orting, Fife, Steilacoom, Buckley, Ruston, Carbonado, Eatonville, Roy, Wilkeson.

Water Filtration & Treatment Systems in Kent, WA

If you’re concerned about the quality of your water—whether due to taste, odor, visible sediment, or health concerns—Design West Mechanical is here to help. We offer professional water filtration and treatment system installation, service, and maintenance for homes and businesses in Kent, WA and surrounding areas.

From whole-home filtration systems to under-sink reverse osmosis units and water softeners, our expert team will recommend the right solution for your unique water needs. With better filtration, you’ll enjoy cleaner water, longer-lasting appliances, and peace of mind knowing your water is safe for drinking, cooking, and bathing.

Why Water Filtration Matters

The water from your municipal supply or private well may look clear—but it can still contain contaminants such as chlorine, lead, sediment, heavy metals, bacteria, or hard minerals like calcium and magnesium. These substances can impact:
  • The taste and smell of your water
  • The performance and lifespan of your plumbing and appliances
  • Your skin and hair health
  • The safety of your drinking water
At Design West Mechanical , we provide custom water treatment solutions based on a full analysis of your water supply. Whether your goal is to improve taste, reduce scale, or remove harmful contaminants, we can design a system that delivers clean, healthy water to every faucet in your home or business.

Types of Water Filtration & Treatment Systems We Install

Every property has different water needs. That’s why we offer a full range of systems to suit your goals, water quality, and budget:
  • Whole-House Filtration Systems
    Installed at the main water line, these systems filter all water entering your home, removing sediment, chlorine, rust, and more. Ideal for families who want cleaner water for drinking, cooking, bathing, and laundry.
  • Reverse Osmosis (RO) Systems
    Installed under your sink, RO systems offer the highest level of purification, removing up to 99% of contaminants. Perfect for drinking and cooking water, especially in areas with poor tap water quality.
  • Water Softeners
    Hard water can lead to scale buildup in pipes, dingy laundry, and dry skin. Our water softeners remove excess calcium and magnesium, protecting your plumbing and making cleaning more effective.
  • UV Sterilizers
    Ultraviolet disinfection systems use UV light to kill bacteria, viruses, and microorganisms—ideal for homes using well water or with microbial contamination concerns.
  • Custom Multi-Stage Systems
    We can combine filtration methods to address multiple concerns such as iron, sulfur, chlorine, or microbial content—tailored specifically to your property’s water test results.

Our Process – Water Quality You Can Trust

  • Water Testing & Evaluation
    We begin with an on-site analysis or lab-quality water testing to identify what’s in your water. Whether you’re on city water or a private well, we’ll uncover the specifics.
  • Custom System Design
    Based on your results, we’ll recommend a system (or combination of systems) that fits your needs, property size, and budget. No pushy upsells—just honest recommendations.
  • Professional Installation
    Our licensed plumbers install your filtration system with precision and code-compliance, ensuring reliable operation, leak-free connections, and proper drainage integration.
  • Ongoing Maintenance & Filter Replacement
    We offer routine service plans to keep your system running efficiently, with timely filter changes and annual inspections available.

Serving Kent, WA and South King County

We proudly provide water filtration installation and service to homeowners and commercial clients in Kent (98031), Covington, Renton, Auburn, Federal Way, Maple Valley, and surrounding areas. Whether you’re dealing with hard water, cloudy tap water, or unwanted odors, we have a solution that works.

Get Cleaner, Safer Water Today

Ready to take control of your water quality? Contact Design West Mechanical today for a free consultation or to schedule a water test. Discover how easy and affordable it can be to enjoy fresh, filtered water from every tap.

Frequently Asked Questions

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Get a Free Estimate – Contact Us Today

Plumbing problems never come at a convenient time, but getting help should be easy. We offer free, no-obligation estimates and flexible scheduling options to fit your needs. Our goal is to take the stress out of your plumbing situation by offering quick, honest, and hassle-free service from the moment you contact us.

You can reach us by phone, email, or our online booking form. Whether it’s a question, a quote, or an urgent service request, we’ll respond promptly and professionally. And yes—we offer same-day service whenever possible, because we know that water waits for no one.

Let us help you restore comfort and safety to your home or business. With expert plumbers, affordable pricing, and a satisfaction guarantee, we’re the clear choice for plumbing in Kent, WA 98031. Get in touch today and see why our customers keep coming back.

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Save on your next plumbing service with our exclusive coupons! Whether you need a quick repair, routine maintenance, or a full installation, our discounts help you get top-notch service at a price you’ll love. Check out our latest offers and take advantage of these limited-time deals to keep your home’s plumbing running smoothly without breaking the bank!
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