The Best Water
at The Best Price,
Honestly.
As a family-owned business, Southwest Water Co. systems effectively remove harmful toxins and hardness from your entire home's water supply — with free professional installation and a lifetime warranty.
- Whole-home softener removes hardness & scale
- Chlorine & sediment filtration at every tap
- Tankless RO + alkaline filter under sink
- 48,000 grain · 28 GPM · Rated 7–10 years
- Free installation · Lifetime warranty
The #1 Solution in Water Quality
All products are NSF Certified, pressure tested, and professionally installed. Systems originally designed for Texas — known for having the hardest water in the country.
Removes Hardness & Toxins
NSF-certified systems eliminate chlorine, heavy metals, scale, and countless other contaminants from every tap in your home.
Save on Energy & Appliances
Soft water extends the life of your water heater, dishwasher, and plumbing — reducing energy bills and costly repairs.
Softer Skin & Hair
Feel the difference immediately. Soft water is gentler on your skin and hair, and leaves clothes cleaner and brighter.
Professional Installation
Every system is professionally installed at no extra charge by our certified technicians. We handle everything.
Find the Right System for Your Home
All prices include taxes and professional installation. Every system comes with a lifetime warranty.
Standard System + RO
- Whole-home softener removes hardness & scale
- Chlorine & sediment filtration at every tap
- Tankless RO + alkaline filter under sink
XL System + RO
- Extra-large 64,000-grain tank
- Ideal for homes 4,000+ sq ft or 7–10 people
- Self-flushing · 7–10 yr rated
Dual Tank System + RO
- Two-tank system: softener + carbon filtration
- Customizable media for city or well water
- 96,000 grain · Up to 12 people
HW800 AlkaPro RO System
Ultra-purified drinking water at your tap. The HW800 AlkaPro features 0.0001 micron precision filtration, a real-time TDS purity display, and an alkaline remineralization filter — all in a compact under-sink unit.
- 0.0001 micron precision filtration
- Real-time TDS water purity display
- Alkaline remineralization filter included
- Compact: 15" tall × 6" wide
- RO waste ratio 2:1 — highly efficient
What Our Customers Say
"Pete from Southwest Water Co. installed our water filter system today and we couldn't be happier with the experience. He did a wonderful job from start to finish. Pete was professional, knowledgeable, and made sure everything was installed perfectly and working as it should. He took the time to explain the system clearly and answered all of our questions with patience and expertise. It's clear that he takes pride in his work. We truly appreciate the high level of service and hope to continue receiving this same standard of support from Southwest Water Co. in the future. Highly recommended."
"Aiden came and installed our water filtration today. He was awesome!! Highly recommend!!"
Now Serving Three Major Markets
Professional installation available in your area
Frequently Asked Questions
Everything you need to know about water filtration systems.
Ready for Clean, Soft Water?
Get your free quote today. Free installation included with every system.