Radon Testing in Lexington & Richland Counties
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Indoor Air Quality Service
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Trusted Across Lexington & Columbia
Professional Radon Testing & Indoor Air Quality Solutions
Radon is an invisible, radioactive gas that can quietly enter homes through foundations, crawl spaces, slab cracks, and other openings in the structure. Most homeowners are not aware of the immediate risk.
Kay Plumbing, Heating & Cooling offers professional radon testing in Lexington and Richland counties. We help you find out if your home has high radon levels and work to improve your indoor air quality for the long term.
If you are buying a home, checking your indoor air quality, maintaining a mitigation system, or dealing with high radon readings, our team offers accurate testing and reliable radon solutions.
Since 2008, homeowners in Lexington, Columbia, and nearby Midlands communities have relied on Kay Plumbing for dependable indoor air quality and home safety services.
Why Homeowners Choose Kay Plumbing for Radon Testing
Family-Owned Since 2008
We have proudly served Lexington County and Richland County for over 15 years, providing trusted home safety solutions.
Professional Radon Testing
We use professional equipment and proven methods to provide accurate radon testing. Indoor. Our team checks airflow, ventilation, and foundation conditions that could lead to higher radon levels.
Licensed & Experienced Technicians
Our trained professionals follow industry best practices and safety standards to ensure reliable radon testing and mitigation services.
Honest Recommendations
We recommend practical, long-term radon solutions that fit your property’s needs.
Upfront Communication
We explain our testing steps clearly and give honest recommendations at every stage.
Long-Term Home Protection
Our services improve your indoor air quality and help make your home a safer place to live.
What Is Radon?
Radon is a radioactive gas that forms naturally when uranium decays in soil and rock underground.
Because radon:
Many homeowners do not realize that radon can build up inside their homes.
Radon gas can enter through:
When radon gets trapped indoors, its levels can slowly rise over time.
The only reliable way to determine whether you have high radon levels is through professional testing. Waiting could put your health at risk.
Why Radon Testing Matters in the Midlands
In many parts of South Carolina, the soil and geology can lead to higher radon levels.
Homes throughout:
may experience varying radon levels depending on:
Even homes next to each other can have very different radon levels.
Professional testing helps you find hidden indoor air risks before they become a serious problem. Do not wait until it is too late to take action.
Signs You Should Schedule Radon Testing
Since you cannot see or smell radon and it can reach dangerous levels at any time, testing is strongly recommended even if you do not notice any problems.
Homeowners commonly schedule testing when:
Many homeowners also schedule regular radon tests every few years to keep track of their indoor air quality.
Professional Radon Testing Process
Professional radon testing uses special equipment to measure radon levels in your home over a set period.
Our testing process may include:
Accurate results depend on placing the equipment correctly and keeping indoor conditions steady during the test.
Professional testing helps ensure reliable results and accurate mitigation recommendations.
Radon Remediation & Mitigation Solutions
If we find high radon levels, mitigation systems can help lower the amount of radon in your home.
Common radon remediation methods may include:
Modern radon systems are designed to safely remove radon gas from your home before it can build up inside.
We look at your home’s structure, foundation, and airflow before recommending the best way to fix the problem.
Crawl Spaces, Moisture & Radon Intrusion
Many homes in the Midlands have crawl space foundations, which can lead to both moisture and radon problems.
Homes throughout:
Often experience:
These issues can make it easier for soil gases to enter your home.
A professional inspection can show how your home’s ventilation, moisture, and structure affect radon levels inside.
Radon Systems & HVAC Airflow
The way air moves inside your home can affect how radon spreads.
HVAC systems, ductwork conditions, and pressure imbalances may affect:
Our radon evaluations consider the relationship between:
This helps us create better long-term plans to reduce radon in your home.
Radon Maintenance & Long-Term Monitoring
Radon mitigation systems need regular checkups to make sure they keep working as they should.
Routine maintenance may include:
Changes involving:
may also affect long-term radon system performance.
Regular testing helps make sure your system is still lowering radon levels as it should.
Indoor Air Quality & Home Safety
In 2026, more homeowners in Lexington and Richland Counties are focusing on indoor air quality, good ventilation, and long-term safety.
Professional radon testing helps homeowners:
Accurate testing and the right solutions give you peace of mind for the long term.
Kay Comfort Club Protection
Our Kay Comfort Club membership helps you stay on top of plumbing, HVAC, and indoor air quality issues with regular inspections and priority scheduling.
Membership benefits may include:
Regular inspections help keep your indoor environment healthier and safer all year long.
Schedule Professional Radon Testing Today
You cannot see or smell radon, and only professional testing can detect it. Do not wait; testing right away is important for your health and safety.
Kay Plumbing offers professional radon testing and remediation in Lexington County and Richland County. We provide accurate evaluations and long-term solutions for your indoor air quality.
Call Kay Plumbing today to schedule your radon test and start making your home safer and healthier.
Service Areas
Kay Plumbing proudly provides Air Filtration system services throughout:
Lexington County, SC
Richland County, SC
Our technicians regularly travel major Midlands corridors, including I-20, I-26, Highway 378, US-1, Sunset Boulevard, Forest Drive, and Lake Murray Boulevard.