Testimonials Jackie A. and Family Huge Thanks to Low Radon for reducing our radon level from 24.9 to 2.4. The Low Radon crew were knowledgeable ,on-time and professional. Thank you! Portia V. They did a fabulous job at our house. Highly recommend if radon is a concern. Susan L. Excellent service,we had our home tested and found out we had safe radon level.Now we have peace of mind.