Hard water & scale
Help protect fixtures, pipes, water heaters and appliances from mineral buildup.
Southern California water specialists
Premium Water.
Designed for Your Home.
Whole-house filtration, water softening and advanced reverse osmosis systems engineered around your home's actual water — professionally installed and backed by local Southern California service.
(855) 646-4087No obligation. No pressure.
NSF-certified componentsCalifornia-made equipmentProfessional installationWarranty-backed systemsLocal Southern California service
Your water, understood
Better water changes how your whole home feels.
Hardness, chlorine, sediment and dissolved solids show up differently in every home. We start with your actual water, your plumbing and the way your family uses it—then design the right solution.
See how the free water test worksChlorine taste & odor
Improve the water used for drinking, cooking, bathing and everyday cleaning.
Dry skin & hair
Address the minerals and treatment chemicals that can affect comfort.
Drinking water quality
Choose advanced reverse osmosis for clean, crisp water right at the kitchen.
WQO systemsOne home.
One home.
A precisely matched solution.
From whole-house filtration and true water softening to tankless and alkaline reverse osmosis, every WQO system is presented in plain language so you can choose with confidence.
Whole-house filtrationWater softeningSalt-free conditioningTankless ROAlkaline RO
Drinking water
WQO Spring
4-Stage Reverse Osmosis
A dependable under-sink reverse osmosis system for clean, crisp drinking and cooking water.
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Most popular
WQO Alpine
6-Stage Alkaline RO
Advanced reverse osmosis with alkaline remineralization for purified water with a balanced taste.
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Premium RO
WQO Glacier
Tankless Reverse Osmosis
High-output tankless reverse osmosis with live water-quality information and no storage tank.
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Whole house
WQO Cascade
Salt-Free Whole House Conditioner
Low-maintenance whole-home conditioning for chlorine, sediment and scale without salt or wastewater.
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Whole house
WQO Terrain
Whole House Water Softener
True ion-exchange softening for severe hard water, scale protection and noticeably softer skin and hair.
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Signature system
WQO Summit
Whole House + Tankless RO Bundle
Complete home coverage combining whole-house treatment with Glacier tankless reverse osmosis.
View systemNot sure where to begin? Start with a free in-home water test.
Why WQOPremium equipment.
Premium equipment.
Personal local service.
We combine thoughtful system design, professional installation and a no-pressure consultation process built around one thing: what your home actually needs.
Test before recommending
Your recommendation begins with your water and household—not a one-size-fits-all package.
Certified components
Systems are built with NSF-certified components selected for dependable performance.
Professional installation
Clean, considered installation designed around your home's plumbing and available space.
Local accountability
A Southern California team remains available for service after the installation is complete.
Complimentary in-home evaluation
Your free water test, made simple.
A clear process with no obligation, no pressure and no generic recommendation.
Choose a time
Tell us about your home and select a convenient appointment.
Test your water
We evaluate the concerns you can see, taste and feel.
Review your options
We explain the findings and systems in clear, homeowner-friendly terms.
Decide with confidence
You choose whether to move forward. There is no obligation.
Designed for the modern home
Performance that fits beautifully into daily life.
Explore WQO's whole-home and drinking-water equipment. Installation layouts are planned around each home's plumbing, space and water goals.
A better homeowner experience
Clarity before the sale. Care after installation.
Every consultation is designed to give homeowners understandable answers, an appropriate system recommendation and a clear next step—without pressure or one-size-fits-all sales tactics.
“The right system is the one that solves your home's actual water problem.”
The WQO standardProtection explained clearly.
Applicable mineral-tank, control-valve and reverse-osmosis coverage varies by system and component. Your specialist will review the written coverage for the exact equipment recommended before installation.
Ask about your system coverageA better system can fit your budget.
Affordable payment options may be available for qualified customers. Ask your WQO specialist to explain current choices, approval requirements and total costs without clutter or surprises.
Discuss payment optionsLocal Southern California service
Water treatment for San Diego and surrounding communities.
Local water can vary by neighborhood, source and plumbing. WQO provides in-home consultations, professional installation and ongoing support across its Southern California service area.
Call (855) 646-4087Frequently asked questions
Answers before your appointment.
Is the in-home water test really free?
Yes. The initial in-home water evaluation is complimentary and comes with no obligation to purchase.
How do I know which WQO system I need?
Your water concerns, test findings, plumbing and household goals guide the recommendation. You do not need to choose a system before the visit.
Do you offer both whole-house and drinking-water systems?
Yes. WQO offers whole-house filtration, salt-free conditioning, true water softening, tankless reverse osmosis and alkaline reverse osmosis.
Are payment options available?
Payment options may be available to qualified customers. Your specialist can explain current terms and eligibility during the consultation.
What warranty applies to my system?
Coverage depends on the selected equipment and components. WQO will provide and explain the applicable written warranty before installation.
Your complimentary consultation
Schedule your free in-home water test.
We evaluate your water, pipes and goals before recommending anything. You get a clear explanation and decide without pressure.
- A convenient in-home appointment
- An evaluation based on your actual home
- A clear recommendation with no obligation
- Serving Southern California
Request your free water test
We will contact you within 24 hours to confirm a convenient time.