1. Pure Water

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Sunnyvale, CA

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Pure Water

3.4 (25 reviews)
Open • 10:00 am - 9:00 pm

Services - Pure Water

Water purification system cleaning and maintenance

Water purification system installation

Water purification system repair

Pure Water Photos

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Recommended Reviews - Pure Water

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Reviews With Photos

Water dripping (leak)

If I can give a zero, I would. Bought a water dispenser from the store, then found a leak a couple days later. When I asked the owner to fix or replace it, he asked to charge $3.5 for fixing, claiming it is the manufacturer put the mouth piece in the wrong order and I supposed to fix it myself. What a rip off this man is! The owner is so rude and ripping-off customers. He even kept my receipt after! I refused to pay him. DON'T GO THERE! GO SOME PLACE ELSE!!!

Signage and front entrance

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3 years ago

Helpful 0
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2 years ago

Helpful 4
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3 years ago

Helpful 4
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1 year ago

Helpful 1
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Photo of Cc R.
0
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42

3 years ago

Helpful 4
Thanks 2
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6 years ago

Helpful 1
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3 years ago

Helpful 2
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2 years ago

Helpful 3
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2 years ago

Helpful 1
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15 years ago

Helpful 6
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2 years ago

Helpful 0
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7 years ago

Helpful 2
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4 years ago

Helpful 0
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Photo of Ryan A.
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13

10 years ago

Helpful 5
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7 years ago

Helpful 0
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Photo of Mel B.
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6 years ago

Helpful 4
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9 years ago

Helpful 1
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Photo of Rachel A.
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63

12 years ago

Helpful 1
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12 years ago

Helpful 0
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8 years ago

Helpful 0
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11 years ago

Helpful 0
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10 years ago

Helpful 0
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12 years ago

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12 years ago

Cheap, clean, good water. They have a device to clean your water bottles before filling them.

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12 years ago

Best water in the South Bay ! We use their water at all our job sites, always fresh and always pure. New remodel looks awesome too!!

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Review Highlights - Pure Water

“Owner often help us unload the water after refill and even we borrow the cart ourselves they will come out and take the cart back.”

Mentioned in 3 reviews

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People searched for Water Purification Services 1,377 times last month within 25 miles of this business.

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De Anza Water Conditioning

De Anza Water Conditioning

(470 reviews)

DeAnza Water is our local water softening company and I'm glad we chose them. Our technician,…read moreBenjamin and Salesperson Raoul were extremely helpful throughout the entire process of getting our system installed. We really appreciate the thoroughness in explanation and responsiveness of the office. The kinetico system also feels great because it draws no power and we don't have to deal with regeneration interrupting water use every so often. Great value considering we got piping for a bypass valve done as well. Would recommend!

De Anza Water Conditioning installed a water softening system and reverse osmosis (RO) filter…read moresystem in Spring 2026. The installation includes a 1-year service warranty, which has proven very helpful. Side note, if you add a mineral cartridge to your RO system and that RO system supplies an existing copper water/ice line to a refrigerator, be sure to have the ice line replaced with polyethylene tubing. If not, the minerals will degrade the copper ice line, resulting in leaks. Many thanks to José for the super job he did capping our old copper ice line and replacing it with under cabinet-mounted polyethylene tubing--works great, can't see the tubing, no leaks! Many thanks to Niko for resolving a problem we had with melted potassium in the reservoir tank for our softening system. Niko was very patient as he explained the problem and showed me step-by-step how to fix the issue myself if it happens again. He also tested the water until the results confirmed that the problem was resolved. Many thanks to Angel for taking service calls cheerfully and with kindness and efficiency. I really appreciate the great service my family has received from De Anza Water Conditioning. I would hire them again without reservation.

City Water Filter and Hyperbaric - More water damage

City Water Filter and Hyperbaric

(435 reviews)

Fairgrounds

I has a great experience with City Water Filter & Hyperbaric and I wanted to recognize the amazing…read moreteam there. Clay runs a fantastic business and clearly cares about his customers and quality of service provided. From the moment I talked to him , everything was professional , organized and welcoming. Javier and Jesse did an excellent work , they were knowledgeable , friendly and took the time to explain everything clearly . You can tell they take pride in what they do and make sure the job is done right . Jennifer was also wonderful , helpful , polite and made the scheduling and communication smooth and easy. Overall the entire team made this a very positive experience , I highly recommend City Water Filter & Hyperbaric to anyone looking for reliable service and a team that truly cares about their customers.

Very disappointed with the communication and overall service from this company. I was told one…read morething, while my tenant was given different information, which created unnecessary confusion. After the technician completed the filter service, my water filtration system was not working properly. I contacted the owner expecting them to stand behind their work and help troubleshoot the issue. Instead, without performing an official inspection of the system, I was quickly told that the resin likely needed to be replaced and was quoted approximately $500 for another service visit. My system is only about 5-6 years old, so I was concerned that such an expensive repair was being recommended without properly diagnosing the problem first. We later discovered on our own that the actual issue was that the filtration system settings had not been set correctly after the technicians changed the filters. Once the settings were corrected, the system worked. My biggest concern is the lack of communication and proper troubleshooting. Before recommending a customer spend another $500, especially immediately after your technicians serviced the system, I would expect the company to first verify that the work was completed correctly and that the system settings were properly configured. Unfortunately, based on my experience, I would not recommend this company.

Pure Water - waterpurification - Updated October 2026

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