About National Radon Defense

Your Trusted Experts in Radon Mitigation and Indoor Air Quality Since 2007

National Radon Defense (NRD) is North America’s leading network of certified radon testing and mitigation professionals. Since 2007, our mission has been clear: to help homeowners across the U.S. and Canada protect their homes and families from the dangers of radon gas and poor indoor air quality.

With almost 2 decades of proven experience, we’ve built a reputation for excellence, reliability, and results. Whether you need radon testing, mitigation system installation, or indoor air quality improvement, you can trust NRD to deliver long-lasting solutions backed by facts, science, and service.

We’re a team who commits to ‘Clearing Air, Saving Lives’.

Meet Our Founder – Curt Drew

Curt Drew founded NRD to raise the standard in radon mitigation.

Curt Drew, founder and owner of National Radon Defense, established the company with a vision to raise the standard of radon mitigation services across North America. With a background in home performance and years of experience in the indoor air quality industry, Curt continues to lead NRD with a strong commitment to innovation, education, and public health.

Why Choose National Radon Defense?

Finding a dependable radon mitigation contractor, you can trust with your home’s health isn’t easy—but with National Radon Defense, you’re in expert hands. Our network of licensed and certified radon contractors follows strict standards of professionalism, honesty, and technical excellence.

Homeowners choose NRD dealers for:

• 15 years of industry experience and counting
• Certified radon mitigation and indoor air quality specialists
• Proven track record of safety, reliability, and satisfaction
• Exclusive BreatheEZ™ indoor air quality solutions
• Award-winning dealer training and support system
• Best aftercare support

Our Dealer Network – Local Service with National Strength

National Radon Defense dealers receive training in proven systems and industry-leading techniques.

National Radon Defense is more than just a radon company—we are a nationwide network of locally owned and operated businesses, each trained and supported by NRD’s expert team. From radon testing and mitigation to air purification/filtration, and indoor air quality solutions, our dealers bring advanced training and technology to every home they serve.

Each NRD dealer benefits from shared insights across our network, ensuring homeowners get the most advanced, efficient, and up-to-date quality solutions available today.

The National Radon Defense Commitment to You

We are a network of trusted contractors helping homeowners make informed decisions about radon mitigation.

At National Radon Defense, we believe that every family deserves a healthy home. That’s why we only partner with contractors who share our values of integrity, accountability, and respect. When you choose an NRD contractor, you’re choosing:

• Transparent communication
• On-time appointments
• Expert installation and testing
• Industry-leading warranties
• A commitment to your long-term health and safety

NRD ensures you, our customer, that you can trust your local NRD member to provide you with a quality solution to your radon problem and a fair price. We guarantee results and provide 100% customer satisfaction. How else can we claim to be the "worlds most trusted" source for radon measurement and mitigation services?

See the NRD Difference

Ready to make your home safer and healthier? Trust the team that thousands of homeowners across North America rely on.

Looking for a price? Get a no cost, no obligation free estimate.