Radon Information for Knoxville Area, Homeowners

What Is Radon?

Radon is an invisible, odorless radioactive gas from uranium decay in soil and rock. It enters homes through foundations and can build up to dangerous levels. The EPA ranks it as the second leading cause of lung cancer, causing about 21,000 deaths yearly in the U.S., and the top cause for non-smokers.

Radon in Knoxville

Knoxville is in EPA Zone 1, the highest radon risk area, due to uranium-rich geology like shale and limestone. Local tests show 1 in 4 Tennessee homes exceed the EPA’s 4 pCi/L action level (equivalent to smoking 8 cigarettes daily), with some Knoxville homes hitting 160 pCi/L (equivalent to smoking 320 cigarettes daily in lung cancer risk). Every home type here is at risk.

Why Test for Radon?

Testing is the only way to detect radon. In Knoxville, where elevated levels are common (30% of homes we test), skipping it endangers your family. Whether you’re buying , selling, or just maintaining your home, a certified radon report gives you the facts you need to act. Professional tests use precise monitors for 48+ hours, offering accurate results and peace of mind—crucial for health, home sales, or renovations.

Health Risks

Radon damages lungs over time, raising lung cancer risk, especially for smokers. There’s no “safe” level, but action is urged at 4 pCi/L. High levels, like 160 pCi/L, are a severe hazard requiring immediate attention.

If Levels Are High

Mitigation systems (vent pipes and fans) reduce radon below 2.7 pCi/L, costing $800-$1,500 in Knoxville. New homes can add radon-resistant features for $350-$500. We connect you with local experts for solutions.

Our Testing Process

We place professional-grade monitors (fully AARST-NRPP & NRSB certified) in your home’s lowest livable area for 48 hours. This ensures an accurate snapshot of your radon levels, accounting for weather changes and home ventilation. Once complete, you’ll receive a detailed report with clear results and next step recommendations. It’s simple, reliable, and tailored to Knoxville’s risks.

Act Now

Radon is a real threat in Knoxville. The Tennessee Radon Program and TDEC urge testing, our professional service ensures accuracy. Schedule your test today to protect your family and home.