About Us

Desert Mountain Water is a manufacturer, water systems installer, and e-Commerce retailer, locally owned and operated in Phoenix, AZ. We specialize in water treatment products for residential customers, and are proud to offer a line of cutting-edge, superior products to suit our customers’ needs.

customer Testimonials

check out our latest reviews!

Ray Cabahug
Ray Cabahug
2023-11-26
Thanks a lot for fixing/changing filters for our RO! Honest and reliable, will be doing it anually.
Cathy Werle
Cathy Werle
2023-09-23
Great service. Arrived on time and got right to work. Rex and Lonnie are very polite and professional. Explained all of our options well. Installed a water softener, tankless hot water heater and an RO system. We will count on them for all of our water services. Very dependable!
David Rogers
David Rogers
2023-09-15
Cannot say enough about how great our experience was with Desert Mountain. We moved here late last year from back East with no experience with a water softner. Discovered this spring that our water softner was not working, just before it sprung a leak!. Got visits and estimates from 4 companies. Did research on them, including BBB, in which while 3 were A+, with Desert Mountain the only one that had a perfect score with the comments. We worked with Rex, who was very experienced, professional, friendly and helpful in all our interactions. Julie in the office was very friendly and helpful in answering our questions when Rex was out in the field. We've had the Hero unit running for almost a month now and it is working perfectly, not only as a softener but as a conditioner as well. We highly recommend Desert Mountain Water to anyone.
Merrill Goldin
Merrill Goldin
2023-09-15
This is a great business. Rex and Lonnie are experienced and you can trust them with any of your plumbing needs. I highly recommend - you will not be disappointed with the service they provide
STEVE SHLIVECK
STEVE SHLIVECK
2023-08-21
GREAT SERVICE, EXPERT KNOWLEDGE REX IS A TRUE PROFESSIONAL, TRUSTWORTHY AND DEPENDABLE..
David L Thomas (DT)
David L Thomas (DT)
2023-08-09
Another great experience with Desert Mountain Water. Rex is the best! His knowledge and attention to detail is impeccable.
Milisa Schulz
Milisa Schulz
2023-08-08
Rex and his team are the absolute best! They know the product, listen to your needs, are professional and very trustworthy. I'd recommend every single time asked.
Jerry Larson
Jerry Larson
2023-07-17
Everything went exactly as I was told. Rex was professional and made sure I understood how the system operated.
Al Brooke
Al Brooke
2023-05-19
My wife, Linda, and I needed to have our existing RO system serviced. The company that had been doing that service had went out of business. So we contacted Desert Mountain Water. From the very beginning when we contacted the company they were very professional and friendly. When Rex arrived to do the service he explained to us that our existing system was a proprietary RO developed for the old company. He set us up with a new five stage RO, when our old system was a four stage, for a very reasonable rate and the installation was a breeze as Rex definitely knows his business! That following evening I flushed my hot water tank after talking with Rex about how often that should be done. Somehow the pressure relief valve failed and was leaking water out of the pipe that runs to the outside of the house if the pressure relief valve does go off. I called Rex the next morning and he was on a job. But he said that he would squeeze us in and he showed up within a couple of hours and replaced the valve in a very timely manner and as always with a very professional and positive attitude! I think this company and Rex are a pleasure to work with! And you can be guaranteed an excellent job that they will stand behind on their work! I would highly recommend them to anybody needing water system repairs or new systems installed! Thank you Desert Mountain Water for the fantastic service.

take a look at some of our past installations

ABOUT OUR COMPANY

How did we get here?

Desert Mountain Water was founded in 2005 as an online business-to-business retailer. The original DMW objective was to provide dealers who did not qualify for a minimum order an alternative method of purchasing necessary water treatment products. In 2007, we began selling specialty products and general filter change kits online, directly to residential customers. Our service division launched in 2019 and has grown rapidly to serve the entire Phoenix metropolitan area.

Our team has over 30 years of combined experience in water treatment & plumbing services. We are committed to providing great service and high-quality products for our customers. Our focus is on finding the best water treatment and plumbing solutions for our customers, while operating with the highest quality, ethical business standards.

We look forward to serving you!

Community outreach

Desert Mountain Water is a proud sponsor of the Trilogy at Power Ranch Community Association Charity Golf Tournament. Learn more here.

our Company Partners