1. McCowin Water

    1. McCowin Water

    0

    Irvine, CA

    McCowin Water

    4.9 (142 reviews)
    Open 9:00 am - 5:00 pm

    Get pricing

    Response time

    10 minutes

    Response rate

    100%

    Services - McCowin Water

    Water purification system cleaning and maintenance

    McCowin Water Photos

    Recommended Reviews - McCowin Water

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    Professional installation - Hague WaterMax
    Candace I.

    I have waited over two years to write this review to ensure the water filtration system worked well. Everything is working great! Scot Drew was a terrific sales rep. No high pressure. Customer service continues to be excellent! Neat and clean installation (see pic). The filtration system has made a tremendous difference in our water quality! Totally worth the investment!

    Anita K.

    We purchased a water softener and reverse osmosis system for drinking water and we're very pleased with the product and service we purchased. Brian McCowin helped us from start to finish and answered our many questions. What we liked about their business model is that they represent numerous products, and could find the product that suited our needs most closely. We were interested in a system that was highly efficient, would last the test of time and resulted in minimal water wastage. Our garage also had some space constraints and so each of the units was installed in a separate location, which led to a much cleaner footprint in our garage. (Another company that we got a bid from did not want to split the units into different locations because it would result in more labor for them.) They were not the lowest quote by any means but we felt we got a very high quality system and the installation was flawless as well. Their follow up care was excellent as well.

    Yolanda D.

    Wow! What a difference great tasting water is. Showering. Dishwasher. Washing machine. Everywhere our new water system flows is CLEAN. SOFT. DELICIOUS WATER. Scott, Mc Cowin's excellent representative explained in detail the systems they offered. Reasonably priced so opted for the best system. Thank you Scott for your excellent water purification system. Could not be happier and would choose it again.

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    Photo of Daniel P.
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    1 year ago

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    Dava B.

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    6 months ago

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    Dava B.

    Thank you so much Beau.

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    3 months ago

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    Dava B.

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    1 year ago

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    Dava B.

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    9 months ago

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    Dava B.

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    3 years ago

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    Dava B.

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    3 years ago

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    Dava B.

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    2 years ago

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    Dava B.

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    3 years ago

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    Dava B.

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    1 year ago

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    4 years ago

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    Dava B.

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    3 years ago

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    Photo of Michael P.
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    4 years ago

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    Dava B.

    Thank you Michael, We appreciate your kind words.

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    3 years ago

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    Dava B.

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    4 years ago

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    2 years ago

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    5 years ago

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    2 years ago

    Family owned business. Great experience with sales, product, installation and service. I highly recommend.

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    Dava B.

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    3 years ago

    This company is great! Affordable pricing. Great customer service! Quick install. I'm super happy I found them!

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    Dava B.

    We thank you for your great review, and we are so glad you are happy!

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    3 years ago

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    4 years ago

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    5 years ago

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    Dava B.

    We appreciate you!

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    4 years ago

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    Dava B.

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    6 years ago

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    6 years ago

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    4 years ago

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    6 years ago

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    4 years ago

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    4 years ago

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    Dava B.

    Thank you Jason.

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    4 years ago

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    Page 1 of 4

    McCowin Water Reviews in Other Languages

    Ask the Community - McCowin Water

    Does water softener require approval from Santa Margarita water district?

    No, it doesn't.

    Hi does water softener installation requires permit from city?

    Not usually.

    Don’t See Your Question? Ask Away!

    Review Highlights - McCowin Water

    Brian, the owner, was even able to squeeze us in on very short notice to take care of an urgent request we had.

    Mentioned in 59 reviews

    Read more highlights

    West Coast Water Filtration

    West Coast Water Filtration

    4.8
    (859 reviews)

    I'm very impressed with West Coast Water Filtration. They were quick to respond to my inquiry and…read morethen were willing to come by on a holiday to review our job. I had done some research ahead of time and knew basically what I needed. Chuck came by and didn't try to sell us anything more than we needed. He was quick with testing the water, reviewing the space, and providing a quote. The quote was competitive and he answered all my questions with everything I was looking to understand. During the install day, the team showed a bit late but still made it. They got to work and did a very clean job. No mess and everything is neatly installed. All piping works for my space and doesn't require me to sacrifice my garage. The crew was professional and even made a wiring change when I requested. I couldn't believe they managed to get the equipment in the small space beside my existing shelves. I previously had an under the skin RO but decided to upgrade since mine was 10 years old. The new filtered water is great, not much better than the previous RO though. It does take significantly less space under the sink. The softened water is great too. I wouldn't drink it, it has a briny taste, but I've noticed significant improvements to my fixtures I'm trying to protect plus my hair feels so much nicer. I'm happy with the purchase and experience.

    Alfredo was the guy from west coast, who came by to replaced our water softener. And he did it like…read morea pro. He is patient in dealing with the customer like me who has a lot of questions and he explains to me the job. Great job! Highly recommended west coast!

    Diamond Pure Water Filtration

    Diamond Pure Water Filtration

    4.9
    (447 reviews)

    I called 3 whole house water companies, and Diamond Pure was very responsive. Oscar gave me quotes…read morevia text within minutes of our verbal call. He came out to our home to determine if the house had separate lines for the house and the yard, (in which case it does). He also determined the house used to have a system and told me it would be a reletvely easy install as the regeneration waste drain was right on the other side of the wall of the garage where the soft water and chlorine filter tanks will sit. I also got a Reverse Osmosis system under the kitchen sink. A tech came out to install that. That took 30 minutes. Another tech was scheduled to install the garage tanks, but could not make it. Oscar kept the schedule promise and came out himself for the scheduled time and happily installed the system. What a fantastic team to keep the scheduled install and have the Sales Person, Oscar, come out to do the install, even though he has "retired" from installs and moved into sales. Everything was installed with professionalism and cleanly done. I had a lot of question for Oscar during the install, and he took the time to answer them.

    This was honestly one of the easiest and best purchases I've made. From the beginning, Mike was…read moreextremely helpful and professional. He took the time to explain everything clearly, gave me all the information I needed, and answered every question I had without making the process feel rushed or pressured. I spent a good amount of time researching different water softener systems because I wanted to make sure I was getting the best system for my money. After comparing several options, I decided to go with Diamond Pure, and I'm really glad I did. The installation process was smooth, quick, and very professional. The technician showed up on time, worked efficiently, and made sure everything was installed correctly. He also walked me through how the system works and answered all my questions so I would know what to do if anything ever came up. What I really like is how simple and easy the system is to understand and maintain. Overall, the entire experience from getting information, to purchasing, to installation was excellent. I highly recommend Diamond Pure to anyone looking for a reliable water softener system and great customer service.

    Supreme Water Filtration

    Supreme Water Filtration

    5.0
    (82 reviews)

    I started looking into water softener companies after some of our appliances were getting damaged…read moreneeding replacing and our youngest having ezcema but kept getting worse. I've reached out to several companies but none of them was as straight forward and reasonably priced as these guys! I spoke with Raymond first then Joseph after when I was ready to proceed. They explained everything easily and to the point. We had our water softener and RO water filtration (under sink) installed last Thursday and what a difference these it has made! I love how soft the water feels and you honestly can feel the difference when washing your hands and showering. I wish we got one sooner. Btw, I had some questions afterwards and they answered everything patiently and friendly! I hope this company continues to grow and expand because their service and quality is great and I hope this review helps more people make their decision with going with these guys for their water softener and drinking system needs!

    Great experience with Supreme Water. Raymond and Joseph were…read morevery responsive and helpful throughout the process and answered all my questions clearly. Rene and his installation team arrived on time and completed the install efficiently and professionally. The quality of their system stood out compared to other options I considered, and the pricing was very reasonable. Everything went smoothly from start to finish. I'd highly recommend Supreme Water to anyone looking to install a salt-free water treatment system.

    Crystal Clear Water

    Crystal Clear Water

    4.9
    (431 reviews)

    I can see why they have so many 5 stars. Got to give credit where credit is due, CCW was amazing…read more Quick to quote, quick to answer and easy to schedule. They arrived right on the dot and got my water softener system running fast. The guys who came were all honest, professional and friendly. Set up my unit outside and it looked super clean. I shopped around and their pricing was by far the best for the best system (Clack). I already recommended them to my family and now my sister is looking to get a system done by them too. Loving my soft water so far, thanks Tony and team!

    I have considered cutting ties with this company many instances ago but hesitant because it was…read moresimply easier to put up with them than start with a new company on the maintenance of our drinking water filter and soft water system, both installed by them. However, today was the last straw. They were very thorough and polite in the very beginning when they wanted the jobs. Once they got the gig the level of service declined and with each year it declined further. Communication is short and borderline rude, mainly Tony. They said they could come to do maintenance today at 3pm. It is now 10pm, no one showed up, no one called or texted. I was very respectful when reaching out to Tony too, in which every text was responded with a very blunt few words answer from Tony. It's very unlike his presence here on yelp where he spend much time responding at length to each reviews. Overall, very exhausting and disappointing company. I'm no longer putting up with this level of treatment.

    McCowin Water - waterpurification - Updated July 2026

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