Water2O
Child receiving a glass of clean, pure water
Whole House Filtration

Clean Water From Every Tap

Complete point-of-entry filtration that treats every drop of water entering your home -- from the kitchen sink to the shower to the garden hose.

Family enjoying clean filtered water together
Service Overview

One System, Every Faucet

A whole house water filtration system is a point-of-entry solution that connects directly to your main water line, treating every gallon of water before it reaches a single pipe in your home. Unlike point-of-use filters that only treat water at one faucet, a whole house system ensures that every tap, shower, appliance, and hose bib delivers filtered, conditioned water.

Our systems are custom-engineered based on your specific water test results. Southern California water varies dramatically from city to city -- hard water in the San Fernando Valley, high chloramine levels along the coast, iron and manganese in well water communities. A one-size-fits-all approach doesn't work, which is why we design every system from scratch to target the exact contaminants in your water.

Each system combines multiple filtration stages -- typically sediment pre-filtration, activated carbon for chemical removal, and conditioning media for hardness and minerals. The result is water that's not just safe to drink, but noticeably softer, better-tasting, and gentler on everything it touches.

Installation is completed in approximately three hours by our certified technicians, with minimal disruption to your daily routine. We handle everything from plumbing modifications to system programming, and we test every tap in your home before we leave to verify performance meets our standards.

One system. Every faucet protected.

Installed at your main water line in about 3 hours. 12-year warranty on parts and labor.

Contaminant Removal

What We Remove

Our whole house systems target the contaminants most common in Southern California water supplies, customized to your specific water test results.

“Water2O completely transformed our home's water quality. The team tested our water, designed a custom system, and had it installed in just a few hours. The difference was immediate -- no more hard water stains, and the drinking water tastes incredible.”

Sarah & Mike T. -- Pasadena, CA

Clean water from every tap

Join 2,500+ homes with whole-house filtration

Our Process

How It Works

From testing to installation, here's what to expect when you choose Water2O for your whole house filtration system.

Why It Matters

Benefits of Whole House Filtration

Clean, filtered water doesn't just taste better -- it protects your home, your health, and your wallet.

Protects Plumbing

Prevent scale buildup and corrosion throughout your entire plumbing system, extending the life of pipes, fittings, and fixtures by years.

Softer Skin & Hair

Filtered water is gentler on skin and hair, reducing dryness, irritation, and that squeaky feeling after showers.

Better-Tasting Water

Every tap delivers water that tastes and smells clean -- no more chlorine odor, metallic taste, or reaching for bottled water.

Cleaner Laundry

Clothes come out softer, brighter, and last longer. No more mineral deposits dulling fabrics or leaving residue on dark clothing.

Extended Appliance Life

Water heaters, dishwashers, and washing machines last significantly longer without mineral scale clogging components and reducing efficiency.

Reduced Chemical Exposure

Eliminate daily exposure to chlorine, chloramines, and disinfection byproducts through every shower, bath, and glass of water.

12+ contaminants in average SoCal tap water

Chlorine, sediment, heavy metals, VOCs, and more -- all flowing through every faucet in your home. A whole-house system treats it all at the source.

See Exactly What We Remove

Get a free water test and custom system design tailored to your home.

Our Guarantee

If your post-installation water test doesn't show the improvement we promised, we'll re-engineer your system at no additional cost. That's the Water2O guarantee.