Water Quality Services in Lexington & Richland Counties
Available 24/7
Emergency Plumbing Service
Top-Tier Certification
Master Plumber & HVAC Pro
1,500+ 5-Star Ratings
Trusted Across Lexington & Columbia
Reliable Water Quality Services Backed by Experienced Master Plumbers
Kay Plumbing, Heating & Cooling delivers trusted water quality services to homeowners in Lexington and Richland Counties, including water testing, filtration systems, and whole-home water treatment solutions. Our skilled Master Plumbers are dedicated to improving your home’s water quality, protecting your plumbing system, and providing customized solutions that match your needs and budget, so you can enjoy cleaner, healthier water every day.
Whether you need a new water softener, whole-home filtration system, or routine maintenance for your water treatment equipment, our team is ready to help. We’re proud of our A+ rating from the Better Business Bureau and thousands of 5-star reviews.

Professional tankless water heater installation completed by the experienced team at Kay Plumbing, Heating & Cooling.
Complete Water Quality Services for Local Homes
Clean, healthy water is essential for your home, and poor water quality can affect everything from your plumbing system to your family’s comfort. Kay Plumbing, Heating & Cooling provides complete water quality services to help keep your home’s water cleaner, safer, and more efficient year-round.
We install and service water softeners, filtration systems, purification equipment, and whole-home water treatment solutions for homes in Lexington, Columbia, Irmo, Chapin, and nearby areas.
We help homeowners with:
No matter if you need a simple filtration upgrade or a complete whole-home water treatment system, our plumbers provide honest recommendations designed to improve water quality, protect your plumbing, and support long-term performance. Trust Kay Plumbing, Heating & Cooling to deliver solutions that last.
Our Water Quality Services
Since 2008, Kay Plumbing, Heating & Cooling has built a reputation for dependable service, honest communication, and long-lasting relationships with homeowners throughout the Midlands.
Water Filtration Systems
If you notice strange tastes or odors, hard water buildup, discoloration, or declining water quality, your filtration system may not be working properly. Our plumbers quickly identify the issue and provide reliable solutions to restore cleaner, healthier water throughout your home.

Whole Home Water Filters
If your current water filtration system is outdated or no longer meeting your household’s needs, we offer professional installation services customized to your home, water usage, and water quality goals.
Water Softeners
If hard water is causing buildup, dry skin, or appliance wear in your home, we offer professional water softener installation services tailored to your household size, water usage, and long-term efficiency goals.
Energy-Efficient Water Quality Solutions
At Kay Plumbing, Heating & Cooling, we want homeowners to have water quality solutions that improve comfort while reducing waste and protecting plumbing systems. We help you choose systems that are effective, reliable, and designed to deliver long-term value.
We install and service a variety of water quality options, including:
Let our plumbers recommend solutions tailored to your household size, water usage, and water quality concerns. We prioritize your best interests, offering honest recommendations that support cleaner water and long-term performance.
As a company committed to supporting the communities we serve, Kay Plumbing, Heating & Cooling believes in helping homeowners make practical, water-conscious decisions that improve everyday comfort and home efficiency.
Signs Your Water Quality System Needs Service
Water quality problems often begin gradually and can worsen over time. Scheduling professional service early can help you avoid plumbing damage, poor water quality, and unnecessary wear on your fixtures and appliances.
Common signs your water quality system may need repair or replacement include:
Noticing warning signs? Don’t wait. Our plumbers will inspect your water quality system and recommend the best solution for your home, helping restore cleaner water and long-term peace of mind.
Why Homeowners and Businesses Trust Kay Plumbing

Master Plumber Experience
Our experienced plumbers provide accurate diagnostics, code-compliant installations, and dependable water quality solutions designed for long-lasting performance.

Excellent Customer Service
Kay Plumbing, Heating & Cooling is proud to have an A+ rating with the Better Business Bureau, thanks to our dedicated customer care.

Energy-Efficient Solutions
We help homeowners choose water quality systems that improve efficiency, reduce waste, and support cleaner water while helping lower monthly utility costs.

Honest Pricing & Recommendations
Our plumbers help homeowners make informed decisions based on their water quality needs, existing plumbing conditions, and long-term goals.

24/7 Emergency Service
We respond quickly to plumbing emergencies anywhere in the Midlands.

Community-Focused Service
Kay Plumbing, Heating & Cooling is committed to serving our community with dependable solutions and long-lasting customer relationships.
Flexible Financing Available
A new water quality system can be an unexpected investment, especially when urgent upgrades or replacements are needed. Kay Plumbing, Heating & Cooling offers financing options to help homeowners improve their water quality with reliable, high-efficiency solutions and greater peace of mind.
Whether you’re installing a whole-home filtration system or upgrading an outdated water softener, our team can help you explore financing solutions that fit your budget and household needs.

Schedule Water Quality Services in Lexington & Richland Counties
Need water testing, filtration maintenance, or a new water quality system? Call Kay Plumbing, Heating & Cooling today for fast, reliable service that helps keep your home’s water cleaner, healthier, and more efficient.
Don’t wait. Contact us today to schedule water quality services in Lexington or Richland County and enjoy cleaner water throughout your home.
Service Areas
From routine maintenance to complete water quality system installations, Kay Plumbing, Heating & Cooling delivers dependable water quality services throughout Lexington County, Richland County, and surrounding Midlands communities.
Lexington County, SC
Richland County, SC
Our technicians regularly travel throughout the Midlands, including I-20, I-26, Highway 378, US-1, Forest Drive, Sunset Boulevard, and Lake Murray Boulevard.
