Two technicians smiling in driveway

Enjoy Cleaner, Fresher Water in Your Jacksonville Home

Reverse Osmosis systems use multiple stages of filtration systems to remove even the smallest dissolved particles, giving you fresh, purified water that tastes just as good as bottled water. RO systems are highly effective at removing contaminants that cause bad taste and odor, resulting in a crisp taste and crystal clear water.

Plus, you get all these benefits without the plastic waste or weekly grocery-store restocks, reducing reliance on single-use plastic bottles.

At Donovan Air, Electric, and Plumbing, we help Jacksonville homeowners throughout Duval County choose and install reverse osmosis water filtration systems so you can enjoy exceptionally clean drinking water for years to come. Whether you need a whole-house RO system or an under-sink unit, our team ensures professional installation and reliable service.

Benefits of Reverse Osmosis Systems 

Installing a reverse osmosis water filtration system offers many benefits:

  • Better-Tasting Water for Your Family. Enjoy crisp, clean water for drinking, cooking, and ice—without the metallic or chlorine taste common in tap water. Your morning coffee and evening tea will taste noticeably better. 

  • Significant Cost Savings. Stop buying bottled water and save hundreds of dollars each year while reducing plastic waste. Most families see their investment pay for itself within 18-24 months.

  • Protected Appliances and Plumbing. By removing minerals and contaminants before they reach your water heater, dishwasher, and other appliances, you'll extend their lifespan and reduce repair costs.

  • Healthier Drinking Water. RO systems remove up to 99% of contaminants including lead, chlorine, and dissolved solids—giving you peace of mind with every glass. 

  • Low Maintenance, High Performance. Modern systems require only simple filter changes every 6-12 months and are designed to minimize water waste compared to older models.

  • Crystal-Clear Ice Cubes. Say goodbye to cloudy ice and water spots on your glassware. Your ice will look as clean as it tastes. 

Understanding Northeast Florida's Water Quality

Throughout the Greater Jacksonville area—from Atlantic Beach and Neptune Beach to St. Augustine, Orange Park, Fleming Island, and Ponte Vedra—our water comes from the Floridan Aquifer, located about 1,000 feet underground. While local water utilities work hard to meet EPA standards, homeowners across Duval, Clay, St. Johns, and Nassau Counties face several water quality challenges unique to our region:

Hard Water with High Mineral Content: Northeast Florida has some of the hardest water in the state. The limestone aquifer naturally adds calcium, magnesium, and sulfates to our water—which is why residents in Jacksonville Beach, Mandarin, Southside, and throughout the First Coast see white scale on faucets and cloudy ice cubes.

Do You Know What's In Your Water

Signs Your Home Should Have a Reverse Osmosis System

Not sure if a reverse osmosis system is the right fit for your home? Here are some of the most common signs Jacksonville homeowners notice before upgrading their drinking water filtration systems.

Hard Water on Faucet

How Reverse Osmosis Systems Work

Here’s how reverse osmosis filtration systems create ultra-clean drinking water for Jacksonville and Duval County households, using multiple filter stages including a carbon filter and an RO filter for optimal water purity: 

1 sediment filtration

1

Sediment Filtration

Removes larger particles like dirt, sand, and sediment.

Carbon Filtration

2

Carbon Filtration

An activated carbon filter reduces chlorine, odors, and chemical compounds, and can serve as a standalone point-of-entry filter for specific water quality issues.

Reverse Osmosis Membrane

3

Reverse Osmosis Membrane

The semipermeable membrane is the core of the reverse osmosis filter process, removing dissolved solids, minerals, and microscopic impurities.

4 Polishing Filter

4

Polishing Filter

A post-carbon filter ensures water tastes clean, crisp, and refreshing before reaching your faucet, acting as a final step after the RO filter.

5 Optoinal Remineralization

5 

Optional Remineralization

Stage Some systems add essential calcium and magnesium back into the water for improved taste and pH balance. 

Types of Reverse Osmosis Systems for Jacksonville Homes

At Donovan, we help you choose an RO system that aligns with your water usage, flow rate, and budget. Recent innovations have made home filtration more accessible and affordable for Jacksonville residents. Options include:

Under-Sink Reverse Osmosis Systems:

Deliver purified water directly to a dedicated faucet at your kitchen sink. These systems can also be installed at the kitchen faucet for convenient access to clean drinking water.

Whole-home water softener in garage

Whole-House Reverse Osmosis Systems

Also known as whole house systems or house systems, these provide comprehensive home filtration by delivering highly purified water throughout your home, protecting your main water line, pipes, and appliances.

Tankless Reverse Osmosis Systems

Save space and reduce wait time by filtering water on demand, without using one tank for storage. Compared to traditional tanked RO systems, tankless models require less space and eliminate the need for a storage tank, though tanked RO systems offer larger storage capacity. 

RO + Alkaline Filtration Systems

Boost pH levels and add beneficial minerals back into the water for smoother taste.

RO Systems Paired with Water Softeners

Because hard water minerals can shorten membrane lifespan, many Jacksonville homeowners pair RO units with a water softener system to extend performance. 

Whole-home water softener in garage

What Does a Reverse Osmosis System Actually Remove?

If you've ever wondered what's really in your Jacksonville tap water, you're not alone. While our municipal water meets federal standards, it can still contain stuff you'd rather not drink. 

How RO Filtration Works 

Think of reverse osmosis as an incredibly fine filter working at the molecular level. The system's membrane has microscopic pores that let pure water through while blocking everything else—dissolved solids, heavy metals, chemicals, you name it. 

What Gets Filtered Out: 

RO systems eliminate up to 99% of total dissolved solids, including: 

  • Heavy metals like lead, arsenic, and mercury that can leach from older pipes 
  • Nitrates and nitrites common in well water across Florida 
  • Chlorine and chloramines that give tap water that pool-like taste 
  • Fluoride and other treatment chemicals 
  • Sodium and sulfates that make water taste off 
  • Pesticides and herbicides from agricultural runoff 

Many systems also add UV filtration to knock out bacteria, viruses, and other microorganisms—extra peace of mind for families with well water or anyone with health concerns. 

The Result? 

Clean, great-tasting water straight from your kitchen tap—no more wondering what you're actually drinking. 

Woman washing her face with soft water

Choosing the Right Size RO System for Your Home

Residential RO systems typically produce 50 to 400 gallons of purified water per day—plenty for drinking, cooking, and ice. You can choose between tankless systems that filter on demand or traditional tanked models that store water for instant access. Our team will help you select the right size based on your household's needs, so you never run out or wait for filtered water.

Professional RO System Installation in Jacksonville

While RO systems include installation kits, professional setup ensures proper water pressure, leak-free connections, and optimal performance from day one. Our expert plumbers handle the plumbing work, test your system thoroughly, and show you exactly how to maintain it—saving you time, potential headaches, and the cost of fixing DIY mistakes. Plus, professional installation often protects your warranty and gives you peace of mind that everything's done right. 

Maintenance and Care Tips

To keep your RO system working at industry standard levels:

  1. Replace filters every 6–12 months depending on water usage. Most systems use multiple filter cartridges and replacement filters, which are easy to swap out for ongoing maintenance.

  2. Monitor salt levels if paired with a salt based water softener.

  3. Check flow rate and water pressure regularly.

  4. Schedule professional installation and maintenance with Donovan for peace of mind.

Filter housings are designed for easy access and maintenance, making filter changes straightforward.

Look for NSF-Certified RO Systems

NSF Logo

Always choose reverse osmosis systems with NSF certification—independent testing that confirms the system actually removes contaminants as promised and uses safe, durable materials. We only install systems meeting NSF/ANSI standards 42, 58, and 372, so you can trust you're getting reliable water purification that delivers real results.

Financing available!

Issued with approved credit by Service Finance Company or Wells Fargo.

Here Are a Few Common Reasons Homeowners Decide to Purchase a Water Softener and Filtration System For Their Home:

  • Water smells or tastes like chlorine or other chemicals

  • Valves, pipes, and other fixtures are showing signs of corrosion or hard water scale

  • Filtered water can improve the health of your family and pets

  • A filtration system can extend the life of plumbing pipes and fixtures

  • Organic chemicals and chlorine are both proven health hazards often found in unfiltered water. A filtration system removes them from your home’s water.

  • A filtration system can remove/reduce many volatile organic chemicals (VOC) as well as pesticides, herbicides, chlorine, benzene, trihalomethane, compounds, radon, solvents, and hundreds of other man-made chemicals often found in water.

  • A filtered water system ensures you have safe and pure water throughout your home to drink, shower/bathe in, and for washing your clothes.

  • Save money on bottled water, since you can drink from the tap of a filtered water system.

Talk With The Donovan Experts About Plumbing for Your Home

It’s Easy to Schedule Water Filtration Services with Donovan

Step 1: Give Us a Call or Schedule Online Anytime

Call our Donovan team at (904) 241-3785 when it's most convenient for you.

Step 2: Receive a Courtesy Call So You Know We’re On Our Way

We will give you a courtesy call to let you know when your plumber is 20 to 30 minutes away. To ensure your safety, we will also send an email showing you a picture and bio of the plumber coming to your northeast Florida home.

Step 3: We Provide Service and Installation Options and Upfront Pricing

Once our Donovan plumber arrives, they provide you with upfront pricing for your water filtration or water softener installation. Our team will always get your approval before any work begins.

Relax While We Install Your Water Filtration System

Sit back and relax as your Donovan plumber installs your new water filtration system.

Here Are a Few Reasons Why Your Jacksonville Area Neighbors Love and Trust Donovan for Their Water Filtration and Plumbing Needs:

  • Our licensed plumbers are knowledgeable, friendly, and ready to help.

  • Donovan is the largest HVAC company in northeast Florida.

  • Our Donovan team is highly trained, honest, and dependable.

  • We offer upfront, flat-rate pricing with no hidden fees or extra labor charges.

  • Our work is backed by Donovan’s 100% Satisfaction Guarantee.

  • We arrive in minutes in our well-stocked vehicles, ready to repair your problem quickly.

  • Donovan has been licensed, insured, and family-owned/operated since 1987.

  • We care about our customers — and we care about our community.

Talk with a Donovan Specialist Today!

Schedule Service Online

Call Donovan Now

Financing available!

Issued with approved credit by Service Finance Company or Wells Fargo.

Service Area

Service

Serving Floridians since 1987! Click here to see if we are in your community.

Donovan 360 Memberships

Donovan 360 Membership Plan Logo

Your family’s home comfort is important. And we aim to protect it and give you peace of mind.

Offers

Offers

Take advantage of Donovan's current offers and coupons when you schedule your service today!

Other Useful Resources