Good reviews keep flowing in.

Free Water Test

We’re proud of our services and don’t like to brag—but
we like it when our customers do.

Here’s what our customers have to say…

This water conditioning system worked so well at my house that I installed one at my rental property.
Roger S.
Los Altos, CA
Patrick Tuell installed our water conditioning unit, and Matt Morgin came as a follow-up visit to make sure everything was working properly. Both were friendly, knowledgeable, customer-service oriented, and took pride in their work. Highly recommend!  Thank you!
Rachel E.
Campbell, CA
We are very happy with De Anza Water Conditioning’s professional and timely execution of its installation. Each and every member of their team did a great job. Thanks to Ian for staying on top of things!
Lakshmi S.
Saragota, CA
From start to finish, the most professional company I have ever worked with and who only sells and installs the most superior and highest quality water treatment systems available!
Mike H.
San Jose, CA

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