Deals and Bundles on Arizona Water Treatment Systems
25+ Years of Experience
Family-Owned Business
Industry Leading Warranties
NSF/ANSI Tested and Certified Components
Licensed, Bonded, and Insured
Limited Time System Discounts
CWS All-In-One Water Softener and 5-Stage Reverse Osmosis Package
Free RO with CWS All-In-One Installed
Upgrade your home’s water with our most popular whole-home water treatment package, combining soft water, advanced filtration, and purified drinking water in one powerful system. The CWS All-In-One Water Softener & Filtration System paired with a Pro Series High-Efficiency RO delivers better-tasting water, long-term savings, and eco-friendly performance throughout your home.
Advanced Series, Master Flow, or Ultima Water Softener
Save 20%
The Advanced Series, Master Flow, or Ultima Water Softener are built specifically for Arizona’s hard water conditions, using certified commercial-grade resin and professional installation to protect plumbing, appliances, and fixtures. This high-performance system delivers long-lasting scale prevention with industry-leading warranty coverage.
SMART HOME WATER PROTECTION SPECIAL
Save 20%
Soft Water. Whole-Home Filtration. Smart Leak Protection. One System.
Upgrade your home's water with the CWS Premium All-In-One Water Softener & Filtration System featuring the DROP Smart Home Wi-Fi Valve.
Get premium softened and filtered water throughout your home while adding smart technology designed to help protect your home from unexpected water leaks.
GO SALT-FREE SPECIAL
SAVE $430
Green SP3 XLT Whole-Home Water Conditioner + Filtration
No Salt. No Electricity. No Wastewater.
Want protection from Arizona's hard-water scale without the salt, brine tank, electricity, or wastewater of a traditional water softener?
Upgrade to the Green SP3 XLT Salt-Free Water Conditioner with Whole-Home Filtration — designed to help protect your home's plumbing, fixtures and appliances while delivering cleaner, better-tasting water throughout your home.
RO Filter Service Special
10% Off
Keep your reverse osmosis system performing at its best with professional RO filter replacement and system service from Complete Water Systems. We'll replace applicable filters, inspect the system for proper operation and leaks, and help keep your drinking water fresh and great tasting.
Why Us?
Family-owned with over 25 years of experience, Complete Water Systems is Arizona’s trusted provider of water filtration, plumbing, and service solutions. We are committed to delivering high-quality, innovative solutions with integrity and professionalism. Whether you need home filtration, plumbing services, or expert advice, our dedicated team ensures your water is clean, safe, and tailored to your needs. Contact us today to discover how we can help you achieve pure and safe water.
Water Softeners, Whole Home Filtration, Purified Drinking Water, Water Heaters, Plumbing Services & More
Special pricing is based on regular system price and cannot be combined with any other specials, coupons or discounts. We will always try to compare all our current offers to ensure you get the lowest possible price. Pricing and packages subject to change without notice. Discounts do not apply to extra labor or materials for establishing non-existing loops, drilling counter tops etc.
All pricing and specials are subject to change at any time without notice.
For unpublished discounts give us a call or subscribe to our email list.
What Your Neighbors Say About Their Water Transformation
Systems and Services
Water Heaters
We provide complete hot water heater services, including installation, maintenance, and repairs for tank/tankless electric and gas models. Our offerings include element and anode replacements, water heater flushes, third-party installations, heater disposal, and expansion tank installations—ensuring dependable hot water for your home.
Whole Home Filtration
Transform your home's water quality with our Whole Home Filtration Systems. We offer expert installation for existing loops up to 1" and handle the haul away of standard residential systems. Our high-grade filtration media effectively removes chlorine, VOCs, lead, and other contaminants, ensuring your water is safe. Enjoy clean, healthy water throughout your home!
Salt-Free Conditioners
We offer a full range of salt-free water softener alternatives designed to reduce scale buildup on your fixtures, appliances, and pipes without the need for salt or chemicals. These systems use advanced technologies like Nucleation Assisted Crystallization (NAC) and are easy to maintain, with no power or drain needed. Installation is included with an existing loop up to 1".
Affordable Plumbing
We provide expert plumbing services, including installation, maintenance, and repairs for pressure regulators, vacuum breakers, angle stops, and shut-off valves. Our trenchless main water line replacement services ensure minimal disruption while delivering long-lasting results, giving you peace of mind with a fully functioning plumbing system.
We've Got You Covered
We proudly serve all of Arizona with expert water filtration and plumbing services. From Phoenix to every corner of the state, we're here to ensure you have clean, safe water whenever you need it.
North Phoenix Area
Anthem
New River
Carefree
Cave Creek
Glendale
Paradise Valley
Peoria
Phoenix
Scottsdale
South Phoenix Area
Avondale
Chandler
Guadalupe
Queen Creek
San Tan Valley
Sun Lakes
Tempe
West Phoenix Area
Buckeye
El Mirage
Goodyear
Litchfield Park
Morristown
Sun City
Sun City West
Surprise
Tolleson
Youngtown
East Phoenix Area
Apache Junction
Fountain Hills
Gilbert
Mesa
Rio Verde
Others with Dispatch Fee
Casa Grande
Dewey-Humboldt
Eloy
Florence
Maricopa
Prescott
Prescott Valley
Sedona
Wickenburg
Gold Canyon
Flagstaff
Payson
Coolidge