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    Derstine Water

    4.3 (12 reviews)
    Open 8:00 am - 5:00 pm

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    Services - Derstine Water

    Water purification system cleaning and maintenance

    Water purification system installation

    Water purification system repair

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    9 days ago

    Light speed services. Ivan was finished in 4 minutes. Thanks Derstine. A1! 10 out of 5 Stars!

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    2 years ago

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    10 years ago

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    9 years ago

    Over 25 years---2 homes---great service, no bottles to haul around - the price has never changed and the BEST coffee in town!!!

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    Review Highlights - Derstine Water

    The service is great and Dale really cares about his customers and does periodic water tests to ensure your water is always high quality.

    Mentioned in 4 reviews

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    Diamond Pure Water Filtration

    Diamond Pure Water Filtration

    4.9
    (453 reviews)

    Was researching for months to find the best and most cost efficient soft water system. My coworker…read moretold me about this place so I called to request a quote. The lady that answered said she would forward my info to an Oscar. Oscar called me about an hour later and went over the entire system and the cost. His price was about $500-$1000 cheaper than local competitors. With good pricing and probably the best yelp reviews I decided to go with him. Installation was about a week later. The installer came around 11am and took about 8 hours to install the entire system. His install time too longer than originally quoted but I'm glad he took his time and didn't miss any steps. When it was all done he educated me on the entire system. It's pretty much a set it and forget it system except for maintaining certain salt levels. Within days I felt the difference in my skin. It wasn't as dry as before and the water really did feel soft. Highly recommend them!!

    The water quality has significantly worsened in just over half a year. When I contacted this place…read moreabout the issue, they only performed a basic water softener test and then advised me to take my water somewhere else for a proper water quality test. Water seems soft but it doeant seem to remove any other toxic elements no more or does less This was especially disappointing because they advertise that these tanks should last 5 to 10 years. Based on my experience, the performance declined much sooner than expected, and I did not feel like the issue was taken seriously or properly evaluated.

    Waterrific

    Waterrific

    4.9
    (47 reviews)

    For those looking into softening your water, definitely consider Waterrific. Ken was super nice to…read moreschedule us ahead of schedule so we can get our soft water asap. First of all, he was super quick to respond. Within 1 minute of sending out a request, he responded right away with a call. At the end, we decided to go with the DROP city smart water, which is a conditioner and water softening system. To go with it, we also opted for the RO installation. If you have extra to spend, definitely get the RO water. It's the waterdrop x12 and really expensive if you decided to get it on amazon and install it yourself. Installation took around 6-7 hours for everything and Ken takes time to explain how to use the system thoroughly. He answered all my questions on the spot. The price was extremely reasonable as well. Not saying it is cheap, but it is a great investment for your home. I already started feeling a difference washing my hands.

    This is the place for all your water filtration and softening needs. What a pleasure to work with…read morea company that is honest, communicates well, and delivers a high quality product. Start to finish, Ken is fantastic. He listens, explains options available, doesn't try to upsell, and delivers as promised. I've worked with him for a few years and his knowledge and level of service are top notch, with very competitive pricing. I recently decided to upgrade my whole house water softening system and drinking water and Ken delivered perfectly, exactly as promised. Shout out to his installer Mario- another exceptional person who takes pride in his work, doesn't cut corners, and provides A+ service. Highly recommend Wateriffic!

    Sparkling Fresh Water

    Sparkling Fresh Water

    4.9
    (153 reviews)

    I had an excellent experience with Sparkling Fresh Water from beginning to end. I worked directly…read morewith Chris, the owner, and he was fantastic. He took the time to explain everything to me in detail, answered all of my questions, and gave me a very competitive price compared with the other companies I spoke with. What I appreciated most about Chris was that I never felt like I was talking to a salesperson. He was straightforward, knowledgeable, patient, and genuinely seemed interested in helping me choose the right setup for my house rather than just trying to sell me something. I came away from our conversation feeling like he was someone I could trust. Then Mario came out to do the installation, and I honestly cannot say enough good things about him. Mario was incredible. Our installation turned out to be more complicated than expected. The location we originally thought would work would have softened the water going to the outdoor hose bibs as well, which I specifically did not want because I use that water for my trees and landscaping. Mario caught this before doing the installation. Instead of just installing it where we originally planned and moving on, he stopped, explained exactly what he was seeing, and helped me figure out a better solution. He found another possible water line at the back of the house and told me he could test it first. He even reassured me that if we cut into the pipe and discovered that the plumbing wasn't routed the way we hoped, he would put everything back the way it was and wouldn't charge me for an installation that didn't work. That gave me a lot of confidence. We tested the line, and fortunately it turned out to be perfect. Within about 15 minutes, Mario was able to demonstrate exactly how the plumbing was divided: this line supplied the inside of the house, while the other line also supplied the outdoor hose bibs. That meant we could soften the entire house while leaving the outdoor water untreated, exactly how I wanted it. Mario was extremely patient, professional, knowledgeable, and just genuinely pleasant to work with. He could have easily taken the faster route, but instead he took the time to make sure the system was installed correctly for my house and my needs. That kind of attention and integrity is something I really appreciate. Between Chris taking the time to educate me and give me a fair price, and Mario going above and beyond during the installation, I couldn't be happier with my experience. Five stars without hesitation. I would absolutely recommend Sparkling Fresh Water, and a huge thank you to both Chris and Mario!

    Ladies ~ I did a lot of research before choosing a company…read morefor a water softener. I knew I wanted professionalism, great communication, an outstanding warranty, and a company with years of experience. I found all of that with Sparkling Fresh Water. Chris, the owner and licensed professional, came to both of my homes -- one located in the High Desert -- without any hesitation. He explained every detail of the installation process and patiently answered all 100 of my questions. The installer, Mario, was just as impressive. He was professional, knowledgeable, organized, and left everything spotless after the installation. I was so happy with the experience at my first home that I had them install another water softener at my second home in Chino. Ladies, with all the money we spend on clothes, skincare, and hair products, getting a water softener has honestly been one of the best investments I've made since marrying my husband. I spend good money on my hair and skin, and I noticed a difference immediately! My hair feels softer, my skin feels better, and overall it's been amazing. I truly feel like I found the fountain of youth. Five stars to Chris and Mario!

    Fina Water Systems & DLC Construction

    Fina Water Systems & DLC Construction

    5.0
    (193 reviews)

    In short: We like our water softener and our tankless water heater seems to work well. But I wish…read morecommunication and installation had gone better. No big problems, just a series of small ones that led to a lot of inconvenience and a more cost on our end. 1. They were supposed to arrive at 10 a.m. on a Tuesday, but forgot. My son had taken the day off and had to take an additional day the next Thursday. We'd already been without hot water a week at that time. When my son finally called and asked when we could expect them, owner said he forgot about our appointment. Worried he might lose the job, he apologized over the phone and offered to give us a discount amounting to a day's pay for my son. My son told him they could discuss it when they arrived to install the softener. 2. My son lost a vacation day but not any actual cash so after thinking on it, he decided he'd spread some good karma and tell the guy that we forgave the mistake and that no discount was necessary. But neither he nor I had the chance. The owner would not look me in the eye and quickly walked away when I tried to talk to him. I use a cane and was not going to chase after him. Before the job was finished, he took off leaving the technicians to finish and collect the payment. I'm guessing he took off because he didn't want us to bring up the offered discount. 3. ** On a positive not, the technician that oversaw the job (owners daughter?) was friendly and knowledgeable. In fact, she finally went to the hardware store herself after their electrician kept coming back with the wrong part. (They had to install an exterior outlet for the softener). 4. Our system was not able to be installed in the garage do to access to our main water line. Instead, it was installed on the south side of our house, in all-day direct sunlight. Now we need to figure out some way to shade the softener as direct heat can damage the tank and the electronics in the control valve. In addition, where it is placed, the discharged water flows to our our lemon tree and line of cypress trees. We had to choose losing our trees from the softener salt ($10 a bag) or going with the more costly potassium salt ($40 a bag). We chose to save our trees. 5. What they did not tell us is that people with kidney disease or those on certain blood pressure medications, including the one I take, can develop a dangerous, sometimes deadly condition known as hyperkalemia when ingesting extra potassium. I now need to buy bottled water to drink and cook with. 6. The day following the install, we had a leak in the yard and sprinklers that did not work. The leak was a broken sprinkler pipe, possibly from their electric tamper or digging for the softener line. The sprinkler issue was caused by a broken valve in the box where they hooked into the main line. Thankfully, my son was able to figure out the problems and fix them himself. In all, our experience with this company was neither bad nor good. Just OK. It would have been nice if someone apologized or at least told us they broke the sprinkler valve. Mostly, I'm disappointed that the owner (Carlos) went out of his way not to make good on his offer to give my son a discount for the day he took off work -- even though my son planned to turn it down. His actions speak more to his character than his initial apology and offer of a discount when he thought he might lose the job.

    Based on other Yelp reviews, I called Fina/DLC to inquire about installing a new water softener…read moresystem at the house. I spoke to Carlos who was responsive and easy to work with. I just had to text him some photos of my plumbing system for a quote. And, they had the best price. The new system has been in use for almost a month now and so far so good. After booking an installation appointment, the technicians arrived on time and two technicians installed the system in like 2 hours (which is fast in my opinion). One of my neighbors bought a softener system and hired a plumber to install the system as a weekend side hustle and that guy needed like half a day. They take Zelle or check payments.

    Polar Water Filtration

    Polar Water Filtration

    5.0
    (9 reviews)

    I was ready to spend a ton on a new water softener. The company that sold me mine wanted $450 just…read moreto come check it out, and every other rep I called barely listened and just tried to sell me a brand-new system. Then I found Miguel from Polar Water, and I'm so glad I did! Right away, he actually asked me what was wrong with my current system and why I was looking to replace it especially since it was only a few years old. No one else even bothered to ask. We talked about a new system, but instead of just selling me something, he actually checked mine out first. Turns out, it wasn't broken at all just a clogged brine tank. He cleaned it out, replaced a water line, and got everything working again. Super honest, super professional, and didn't try to take advantage of me like the other companies did. If you want someone who actually cares and won't just sell you something you don't need, call Polar Water!

    I can't recommend this business highly enough. Miguel was so easy to work with and put in a great…read moresystem, very quickly for my daughter. He helped me understand every step of the process and was so accommodating in every way. I feel like he puts in a high quality product for a reasonable price and he'll help them service it, when the time comes. He even gave us a choice about the color of the new spout! My daughter just that Miguel was also able to route their fridge water through the new system as well. Wow, I wasn't expecting that bonus, I'm so pleased! What a great guy and a superb local business!

    Derstine Water - waterpurification - Updated August 2026

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