Become a Certified Radon Tester

  1. Join InterNACHI® as a member.
  2. Complete InterNACHI's Home Inspector Certification Requirements.
  3. Complete InterNACHI free, online Advanced Radon Measurement Service Provider Course. 
Certified inspectors may download and use the logo by visiting 

InterNACHI's Home Inspector Certificate Program, the online courses, and the Certified Radon Tester Certification are nationally-accredited 

Other Certifications

Members have unlimited access to all of InterNACHI's free, online courses. Learn at your own pace, and when you're ready, you can attain over 45 additional types of inspector certifications (at no additional cost), including Certified Structure & Foundation Inspector.  

Branding and Marketing

After becoming certified, work on branding and marketing your home inspection business.

Everything You Need, All in One Place

Everything you need is right here in a 15-Step Checklist for Home Inspector Success

Run a Successful Business


Membership Benefits

InterNACHI provides members over $75,000 worth of membership benefits.

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