About Us

USA’s Certified Radon Testing & Mitigation Team

Less Radon is a St. Louis-based company providing radon testing and mitigation for homes and businesses across Missouri. Our mission is to prevent radon exposure and save lives.

We are certified by the NRPP and NEHA and are proud members of AARST, ensuring our work meets the highest industry standards. We follow all EPA protocols, including Regulation 402-R-93-078, on every project.

As a partner of the Lung Cancer Association, we actively raise awareness about the health risks of radon. Using advanced detection and proven mitigation techniques, we deliver fast, accurate results and long-term protection for your home, business, and family.

Patrick L. Butler Jr.

Meet the Founder

Patrick L. Butler Jr. is the founder and driving force behind Less Radon, bringing over 15 years of hands-on experience in radon mitigation. He has completed thousands of successful installations across Missouri, Illinois, and Iowa, holding all required state certifications.

Patrick’s vision goes beyond business: he is committed to building a mission-driven, sustainable company rooted in customer trust, professionalism, and public health advocacy. He previously scaled his business with multiple field crews and an office manager, gaining valuable experience in people management, processes, and quality control.

A strong believer in the life-saving importance of radon awareness, Patrick combines technical expertise with purpose. His goal for Less Radon is to not only deliver exceptional service but also lead a movement that makes radon testing and mitigation a standard part of homeownership across the country.

Let’s Protect Your Home Together

Our Promise to You

At Less Radon, we don’t just test for radon—we protect your home and family. Using advanced, cost-effective mitigation systems, we ensure indoor radon levels stay below 4.0 pCi/L—and in most cases, drop below 1.0 pCi/L.

Every home deserves safe, clean air, and we take the responsibility seriously. From precise testing to expert system installation, our team delivers honest guidance, reliable solutions, and guaranteed results—so you can breathe easier knowing your family is safe.