Water Treatment & Energy Services in St. Augustine, FL
Cleaner water, dependable hot water, and lower energy bills for your St. Augustine home, from an authorized RainSoft dealer with over 30 years of experience.

Your Local Water Treatment & Energy Team in St. Augustine, FL
From spotty dishes and dry skin to climbing energy bills, St. Augustine homeowners deal with a familiar set of water and comfort problems. Pure Energy Water & Air has served Florida since 1989 with RainSoft water treatment, Rheem water heaters, solar energy, and air conditioning, all backed by an A+ rating from the Better Business Bureau. We start with a complimentary water test and tailor a solution to your home.
Our Services

Combat hard water and contaminants with RainSoft water conditioners, drinking water systems, and whole-house filters for cleaner water at every tap in your St. Augustine home or business.

From gas and electric to tankless and hybrid, we install energy-efficient water heaters from industry leaders like Rheem for dependable hot water.

Heat your water and pool with the power of the sun and cut energy costs. Solar water heaters and pool heaters are available with no money down.

Stay comfortable year-round with premium A/C installation and service from Pure Energy Water & Air.

Breathe cleaner, fresher air with whole-home air purification that reduces contaminants and odors.
How It Works
Book a Water Test
Click here to schedule a time for your complimentary water test in just minutes.
Find a Solution
Our expert technicians will test your water and find out exactly what you need to perfect it. We promise it'll be both educational and entertaining for the whole family.
Install Now
We can get your new system installed as soon as the next day.
Explore Our St. Augustine Services
Whatever your St. Augustine home needs, Pure Energy Water & Air has it covered, including St. Augustine water softeners, whole-house water filtration, whole-home water treatment, and water heater installation,
The same team also handles water treatment, water heaters, solar energy, air conditioning, and air purification across every market we serve, and we build commercial water treatment for local businesses.

Everyday Benefits of Better Water in St. Augustine
Better water shows up everywhere in daily life, from your skin and hair to your appliances and your monthly bills. In your St. Augustine home, that means:
Softer Skin & Healthier Hair: Without hard minerals stripping your skin and hair, every shower leaves you feeling softer and your hair looking shinier.
Longer-Lasting Appliances: Scale-free water protects your water heater, dishwasher, and washing machine so they run longer with fewer repairs.
Healthier for Pets: The clean, contaminant-reduced water that's better for your family is also better for your pets' bowls and baths.
Less Effort to Clean: No more scrubbing scale and spots off fixtures, glass, and tile. Treated water keeps surfaces cleaner with far less work.
Protection for Your Home & Plumbing: Preventing mineral buildup guards your pipes, fixtures, and appliances from costly damage over time.
A Closer Look at St. Augustine's Water
As the oldest city in the United States, St. Augustine pairs centuries of Spanish colonial history with First Coast beaches. Like most of Florida, though, St. Augustine draws its water from the limestone of the Floridan Aquifer, which leaves it naturally hard, loaded with the calcium and magnesium that spot dishes, build scale in pipes and water heaters, and leave skin and hair feeling dry after a shower.
In a coastal community like St. Augustine, that hardness comes alongside humidity and salt air that are tough on fixtures and equipment, and the chlorine in municipal water can add its own taste and odor. A free in-home water test from Pure Energy Water & Air shows exactly what you are dealing with. From there, our water softeners remove the hardness at its source, while whole-home water treatment layers in filtration and drinking-water options for cleaner, better-tasting water at every tap.
Water Treatment Solutions for Your Home
After a complimentary in-home water test, one of our experts recommends the right RainSoft solution for your St. Augustine home from our lineup of:
Water Softeners
Remove calcium and magnesium before they stain fixtures and clog plumbing.
Drinking Water Filters
Reliable access to safe, flavorless drinking water.
Problem-Solving Filters
Target contaminants like bacteria, iron, sulfur, chloramines, lead, and VOCs. And if the trouble is a failing appliance rather than the water itself, we can repair your water heater or install a new, efficient Rheem system.
The Types of Water Heaters We Install
Pure Energy Water & Air installs a full range of water heaters for St. Augustine homes to suit different needs and budgets:
- Solar Water Heaters: Use the sun's rays to heat your water with excellent energy efficiency.
- Hybrid Water Heaters: Use warm outdoor air to power a heat pump, ideal for Florida's climate.
- Electric & Gas Water Heaters: Energy-efficient, dependable options in a range of sizes.
- Tankless Water Heaters: A lower-profile heater that creates hot water on demand and fits smaller spaces.
Cost-Saving Solar Energy
With Florida's abundant sunshine, a solar energy system from Pure Energy Water & Air lowers your monthly utility bills in St. Augustine. We install solar pool heaters and solar water heaters, both of which qualify for federal and state tax credits that help cover the cost, so you can start saving right away.
Why Choose Us
Premium Products
As an authorized dealer for RainSoft, Rheem, SunMizer, and Solene, we install equipment from the industry's most trusted manufacturers.
Local Expertise
We know St. Augustine's water, and we tailor every recommendation to your home and neighborhood.
Whole-Home Service
Beyond water treatment, we handle water heaters, solar, air purification, and air conditioning.
Trusted & Accredited
An A+ BBB rating and decades of experience mean you can count on the job being done right.
Easy-Term Financing With Zero Down & Low Monthly Payments
Homeowners with approved credit can qualify for same-as-cash financing for up to 24 months with no out-of-pocket costs.
FAQ
Many St. Augustine homes deal with hardness and with chlorine taste or odor depending on the water source. The only way to know your home's exact levels is a test, which is why we start with a free in-home water test.
Yes. Well water often needs different treatment than city water, and our test identifies iron, sulfur, bacteria, and hardness so we can recommend the right solution.
We're an authorized dealer for RainSoft, Rheem, SunMizer, and Solene, among other industry-leading manufacturers.
Yes. Pure Energy Water & Air serves both residential and commercial customers throughout St. Augustine.
Customer Reviews
“From what I saw in the beginning and the end, there was a huge difference. It was a job well done. It worth my time and money. And everyone should give it a try.”
Kholber P.
“Excellent company, thorough, responsive, and all around amazing!! I'm so happy with my new A/C unit, attic turbine, and solar hot water heater. It has already saved me money on my electric bill.”
Marie K.
“The experience with all aspects from the presentation to installation and inspection was great. Glenn who presented was kind, informative and extremely helpful in finding the right system for us. The installer Robinson was extremely professional with the installation did a great job and John was also great in explaining the finance and perks!! Overall 10/10”
Damarys C.
“This company worked very hard to remove my very old water heater. They did an excellent job installing my new one. Very professional, and kind. Willing to answer my questions also. Thank you.”
Janice C.
“Tony, the technician/plumber from Florida Energy Water & Air, was most pleasant, knowledgeable, professional. He arrived on completed the replacement of very old water heater including nearly 100% disappearance of the "knocking noise" in less than an hour, and cleaned up the work area very nicely at the end. I highly recommend his and FEWA to anyone needing these kind of services. Thanks Tony!”
Jackie A.
“Great customer service. Jean Amaro was especially helpful and took care of my issues and concerns personally. Technicians were friendly and knowledgeable. I would definitely recommend their services.”
Abe G.




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