Irvine & Orange County: You Know You Need a System... You Just Don’t Know Who to Trust (Yet)
8,000+
Local Installs Since 1972
600+ 5/5
Five-Star Reviews on Google & Yelp
Most water system failures don’t start with bad technology.
They start with bad advice.
And by the time you find out… it’s too late.
We stop that from happening.
Because getting it right the first time isn’t just cheaper, it’s safer.
Most families don’t realize how much they’re spending to live with bad water… until it shows up in damage, doctor visits, or the fourth broken appliance.
We see it every day:
💥 Water heaters dying years too soon
💥 Corroded pipes dripping behind drywall
💥 Appliances breaking down again and again
💥 $100/month bottled water habits
💥 Dry skin, eczema, and “mystery” rashes
💥 That sour-smelling faucet no plumber can fix
You think your water’s fine because it looks clear.
But behind that “clean” look, it’s eroding your home from the inside out.
❌ Chlorine
❌ Sediment
❌ Hard minerals
They’re not just floating around.
They’re eating through your pipes, drying out your skin, dulling your clothes, and leaving toxic residue in the glass you just handed your kid.
These aren’t just annoyances.
They’re the stacked costs of trust misplaced in your tap.
👉 Before you install anything… get your water tested.
👉 Before you believe the label… demand proof.
👉 Before you spend another dollar… schedule your free water test with McCowin Water.
We’re the ones smart families call before they make the mistake.
Because in Irvine & Orange County, clean water isn’t optional… it’s survival.
And trust?
That starts before the install.
400+
Happy Customers
5/5
Customer Rating
8,000+
Local Installs Since 1972
600+ 5/5
Five-Star Reviews on Google & Yelp
You’re in good hands when you work with Brian and his team. We’ve been working with him for 4 years and just completed our second water softener / RO machine install and he’s always thinking about what options he may have to save us money and time.
Keren Petito
Google Map Review
Unmatched customer service, professionalism, and education. I got connected with McCowin Water through Lowe’s and I am so glad I did! Brian reached out to me immediately to address my issues, wants, and needs.
Hani
Google Map Review
Joel is the tech who came over to do the installation at my house. He was on time, personable and was patient with my questions and took time to walk me through how the system works. When the installation was done, he tested it and waited for few minutes to make sure that everything was working properly.
Emmanuel Kala
Google Map Review
This company is terrific! The communication is always wonderful. They arrive when promised and provide friendly, professional service for my reverse osmosis system. Thank you!
Julie
Google Map Review
Not only were they professional and efficient during the installation, but the aftercare has been above reproach. I highly recommend McCowin for your water needs.
Rene' Vercoe
Google Map Review
Why Most Reverse Osmosis and Home Filtration Systems Fail (and Why We Don’t)
Most companies only sell one or two water systems. So they sell those, no matter what your home actually needs.
They’re trained to push products.
Not protect people.
We’re different.
We carry nearly every major reverse osmosis and home filtration system on the market. So we don’t guess.
We don’t push.
We don’t pitch.
We match.
You wouldn’t buy a car from a dealership that only sells one model. So why would you trust your water, and your health, to a company with one option?
What Makes Us Different: We Start with the Truth, So You Can End with Trust.
We begin with a free, in-home water test.
We test what’s really in your water, before you spend a dime.
Then we match you with a system that actually fits your home, your water quality, and your goals. Not what’s sitting in someone’s warehouse.
✅ No pressure
✅ No gimmicks
✅ No commission traps
Just the right reverse osmosis or home filtration system… installed right the first time.
50+ Years of Fixing What Other Companies Don’t Want You to Know About Your Water.
Most Water Systems Fail Because People Were Told to Trust the Wrong Thing.
We’ve seen it too many times:
People sold systems that don’t match their home, their water, or their needs.
They’re left confused, frustrated, and unsure who to trust next.
That’s not how we do things.
We believe clean water shouldn’t come with pressure, confusion, or regret.
Just answers, clarity, and a system that actually works for you.
No gimmicks.
No upsells.
Just the right solution, done the right way.
We Ask First. Because Getting It Right Starts With Listening
Everyone wants the best water system for their family, or business.
But when every company says that, who do you trust?
Here’s what most people never hear:
The right system isn’t about price. It’s about fit.
And fit doesn’t come from guessing.
It comes from asking the right questions first.
That’s why we lead with listening.
We don’t sell blind.
We uncover what matters most to you; your water, your space, your concerns; and then build the system around you.
Because the real value isn’t just in saving money.
It’s in never having to second-guess your decision again.
Systems That Work, and Keep Working
Most of the horror stories in this industry boil down to one thing:
Leaks.
Not because the systems are bad, but because they were installed wrong, chosen wrong, or sold fast without testing.
And leaks?
They do more than drip.
They break trust, waste money, damage floors, and leave you cleaning up after a problem you thought you’d solved.
That’s why we don’t let anyone spend a penny until we’ve tested their water and matched them with the right system, not just the available one.
No hidden costs.
No water damage surprises.
No “you should’ve called us sooner” regrets.
We take the time to do it right.
Because when your system fits from day one, it lasts like it should.
👉 Before you buy, let’s talk.
We’ll help you skip the mistakes; and the mess; that others don’t warn you about.
What You Can Expect From McCowin Water
✅ A real conversation, not a sales pitch.
✅ A free in-home water test, so you know exactly what you’re dealing with.
✅ A system that’s matched to your home, not picked from a shelf.
✅ Honest answers, clear pricing, and zero pressure.
✅ Professional installation done right the first time. With no mess, no leaks, and no callbacks.
✅ Long-term support from a local team that’s been protecting homes in Orange County since 1972.
Because when it comes to your water, clarity shouldn’t just be the goal, it should be the standard.
Why 90% of Water Filtration Systems Don’t Work. These Are the Ones That Do.
How to Get Rid of Hard Water, Chemicals, and Contaminants... Without Replacing Your Entire System.
Why Waiting Costs More
Every month you wait, your water keeps doing damage.
Hard water shortens appliance life.
Chlorine eats copper.
And every unfiltered drop you drink puts the burden on your body.
“If you don’t filter your water, your body is the filter.”
👉 Call us at (949) 569-5736 or schedule your free water test today.
We serve Irvine and all of Orange County.
We’ll come to your home, test your water, and walk you through your best-fit options, with zero pressure and total clarity.
Brian & Joel were great! excited for our new system!
The team was punctual, efficient & very knowledgeable! Would highly recommend their team and services.
Shane
Google Map Review
Service at McCowin is 5+ stars from start to finish. One of the best companies I have ever worked with in any field. Our second time working with them and they are wonderful.
Michael
Google Map Review
McCowin Water has exceptional customer service. There staff are friendly, communicative and timely. Super job Joel and team!
Ana
Google Map Review
We are quite impressed by the professionalism and the punctuality of everyone we have had the pleasure to work with from McCowin Water.
Mike
Google Map Review
McCowin Blog: The Straightforward Guide to Choosing the Right Water System for Your Home.
Think Your Water’s Fine? Get It Tested. For Free.
