Water Purification
Eliminate foul odors, tastes, and other contaminants with a long-lasting, cost-effective water purification system.

Serving Southern Utah Since 1996
Licensed & Insured
Upfront Pricing
Local & Family Owned

St. George Water Purification
Refreshingly Pure Water for Your St. George Home
You shouldn’t have to question the quality or cleanliness of the water in your St. George home! For peace of mind that the water supply your household depends is free from potentially harmful contaminants—as well as strange odors and unpleasant aftertastes—contact Thompson Plumbing, Heating, Cooling & Electrical today.
Since 1996, our licensed plumbers have installed cost-effective, low-maintenance water purification systems to help local families get fresher, cleaner, better-tasting water at home. We install several types of water purification solutions at various price points, giving St. George families dependably pure water at any budget.
Call Now (435) 674-5138Real Customers. Real Relationships.
They Said It Better Than We Can
Scroll through them; then give us a call, and become one of them.
12 Months Same-As-Cash Financing
Big Job? Your Budget Doesn’t Have to Flinch.
Life doesn’t schedule emergencies around payday. Thompson offers flexible financing through GreenSky, including 12 months same as cash, so a broken water heater or failing HVAC system doesn’t become a financial crisis. Find out what you qualify for today.
View Financing Options
0% Interest for 12 Months Available
Low Monthly Payments
Apply Online in Minutes
Benefits of a Home Water Filtration System
Although the municipal water supply should be perfectly safe to drink and use, that doesn’t mean that your tap water will be as pure as it could be. If the city’s service pipes are outdated or the water supply is very hard (as is the case here in Utah), then even “safe” drinking water can be full of minerals, chemicals, and other less-than-desirable particles.
Installing a whole-house water filtration system from Thompson Plumbing, Heating, Cooling & Electrical will prevent impurities like limescale, lead, and chlorine from ever entering your home in the first place. You’ll be left with tap water that:
- Tastes, Smells, and Feels Better
- Leaves Less Scaling on Faucets, Toilets, and Fixtures
- Is Less Likely to Clog and Damage Appliances
- Is Easier to Clean, with Fewer Water Spots Left Behind
- Is Clear of Many Potentially Harmful Contaminants
With over 42 years of combined experience, we have the ideal water purifier for homeowners across St. George. From whole-home systems placed at the point of water entry to localized solutions installed at each individual faucet, we can help you find a purification method that works for you—all while saving you time and money.
Our Plumbing Services
Learn More About Our Water Purification Systems in St. George
If your water leaves your skin brittle, your dishes stained, and your appliances constantly breaking down, it’s time to call Thompson Plumbing, Heating, Cooling & Electrical! In addition to our water purification systems, we offer a variety of water treatment solutions including water softeners and reverse osmosis systems.
Explore our many solutions to clean, filter, and improve your home’s water by contacting our St. George plumbers today. Just give us a call or submit our online form to grab your free consultation and quote now.
Become a VIP Before You Need a Plumber
Our VIP Club members get priority scheduling, waived dispatch fees, and 10% off every service, every time, with no cap. Preventative tune-ups are included, so you stay ahead of the expensive stuff instead of reacting to it.
- Priority Scheduling, Always
- Dispatch Fees Waived
- 10% Off Everything
Trust the Team St. George Has Counted On Since 1996
When something in your home stops working, you don’t want guesswork — you want a licensed local pro who shows up on time, gives you a fair price upfront, and stands behind the work. That’s the Thompson promise, and it’s why homeowners across Southern Utah keep calling us back year after year. Call now or book online, and we’ll take it from there.

