Radon Testing in Lexington & Richland Counties
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Indoor Air Quality Service
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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 has no smell and is invisible, many homeowners do not realize that it 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 Lexington, Irmo, Chapin, Blythewood, Forest Acres, and beyond may experience varying radon levels depending on:
Even homes next to each other can have very different radon levels.
Professional testing helps you identify hidden indoor air risks before they become serious problems. Do not wait until it is too late to take action.
Professional radon testing equipment setup in a lower-level living area to monitor and record precise radon levels over time.
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 monitor 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 proper placement of the equipment and stable indoor conditions during the test.
Professional testing helps ensure reliable results and accurate mitigation recommendations.
Active Foundation Mitigation
Sub-slab piping engineered to trap and vent radon before it enters your home.
Radon Remediation & Mitigation Solutions
If we find high radon levels, mitigation systems can help reduce radon levels 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 Lexington, Gilbert, South Congaree, and Red Bank 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 mitigation installed system outside the house
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 Long-Term Monitoring
Radon mitigation systems need regular checkups to ensure they continue to work as intended.
Routine maintenance includes:
Changes involving foundation settling, home additions, Crawl space encapsulation, and HVAC upgrades may also affect long-term radon system performance.
Regular testing helps ensure your system continues to reduce 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 long-term peace of mind.
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 include:
Learn more about our maintenance program.
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.