C-101 - Radon and Radon Decay Product Measurement Course (CERTI-3000)

CERTI-3000 (previously CERTI-1)
Entry Level course which includes training required for becoming certified in radon measurement.  This popular online course was recently updated (May 2021) to include video of a classroom session, and the new ANSI-AARST Standards.  It still includes many extras including business resources and online quiz questions designed to help you prepare for the national certification exam.  Students also have access to the audio version of the course. This course is also a prerequisite course for the Radon Mitigation Entry Level Course.
**Now included at no additional cost: C-101 Comprehensive Exam Prep - 175 Measurement questions to help you prepare for the National Exam. (updated August 2021)
With shipment Download / Streaming for $0.00
Sales price $325.00
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This course is also a prerequisite course for the Radon Mitigation Entry Level Course. - If you are interested in both courses, you can purchase them together at a discounted price ($695 Total - $105 discount)  -  Within shopping cart include Coupon Code:  Bundle

The course includes a comprehensive and easy to use format of video instruction which allows you to study the material at your own pace. The video instruction is supplemented with a Course Manual and with many extra supplemental resources which includes audio interviews with experts within the radon industry.  This course is designed to provide you with all the instruction you need for becoming certified as well as valuable practical advice and resources for managing your radon business.  With an impressive 92% passing rate on the certification exams, these courses have proven to be successful and popular in preparing students for the certification exam and for conducting business.  

There are approximately 24 hours of coursework, including watching videos; online resources such as protocols, and publications; and quizzes that are taken as you progress through the course (not timed and may be taken unlimited times).  There is no time limit for taking the course, and even after completion you continue to have access to the course in order to refer back to resources.


NEW! 175 comprehensive exam prep questions now included FOR FREE with this course. Test YOURSELF before you sit for the exam! Feedback is offered once you “grade” yourself. These additional test prep questions are not required to earn your certificate; they are simply included to aid the student in preparing for the exam.

CERTI students also have access to business tools such as sample contracts, and warranties.  We are also available by phone during and after the course for any questions concerning the course or radon situations you come across on the job.

Course not available in: Florida and Ohio

Course Includes:
  • Video Instruction 
  • Course Manual 
  • New ANSI-AARST Standards
  • Online Resources of publications, protocols, audio interviews with radon experts
  • Online Quizzes
  • Downloadable Course Certificate
NEW!  Comprehensive Quiz to aid with Exam prep!


  • Download/Streaming - No course materials will be shipped - everything you need is available to access and download online.

paper exam


National Certification Exam: Purchased separately and available nationwide through Examity.


Wednesday, 25 January 2023
Susan said:

Very informative and well written!

Wednesday, 25 January 2023
Reed said:
Tuesday, 24 January 2023
LOUMAY said:
Tolon Lijoi
Monday, 23 January 2023
John said:
Sunday, 22 January 2023
Stephanie said:
Sunday, 22 January 2023
Noah said:

Really pay attention to what Doug Kladder says, cuz you might miss it

Friday, 20 January 2023
Robert said:
Thursday, 19 January 2023
Justin said:

The training was very long but seems thorough and as long as course materials can be accessed in the future it should be a valuable resource.  

Thursday, 19 January 2023
Liam said:

Next time the course is refilmed, make sure the microphone placement is adjusted on the teacher/speaker. I heard too much swallowing.

Thursday, 19 January 2023
Matthew said:
Wednesday, 18 January 2023
Ashley said:

Great course with a lot of information. Easy to follow along.

Tuesday, 17 January 2023
Charles said:

Excited to take the National Exam. Thanks

Saturday, 14 January 2023
Sara said:

Great course!  Thank you!!

Friday, 13 January 2023
Charlotte said:
Friday, 13 January 2023
Meliset said:
Tuesday, 10 January 2023
Abby said:
Tuesday, 10 January 2023
Sean said:
Evan Bauman
Monday, 09 January 2023
Levi said:
Sunday, 08 January 2023
Kimberey said:

I have been a teacher for many years and I recognize good teaching when I see it. Mr. Kladder is a natural and keeps the class entertained and on track easily.  He is interesting even when the material gets a bit dry.

Sunday, 08 January 2023
Jeff said:

I perceived the course as thorough, and the classroom presentation was efficacious.  There is many additional Supplemental resources. 

William Redlinger
Saturday, 07 January 2023
Joshua said:

Lots of information! I have known quite a bit of information already. I've been installing radon systems for 20 years in VA and WV! Looking to start my own company. Testing is what my boss did. So this was quite useful information. 

Thursday, 05 January 2023
Mark said:

Good course.  Videos and PDF downloads were easy follow. 

Tuesday, 03 January 2023
James said:

Overall I think the course was very good. I think that perhaps preparing an "FAQ" style page would also be a very good resource as there were several questions asked during the videos that seem like they could use some kid of follow-up or additional information, but overall I think the course presented the information clearly and accurately.

Sunday, 01 January 2023
Tomasz said:

Awesome, im so excited

Friday, 30 December 2022
Jennifer said:

The instructor is exceptional with the depth of personal experience and also teaching and engaging ability.  I highly recommend this course.

Thursday, 01 December 2022
Colton said:
Friday, 18 November 2022
Duane said:

The Certi radon measurement coarse was recommended to me by Other Measurement professionals. The coarse provided information great information. It allowed me to continue to review and retest. It would be great if all of the test content was in the course work, we had to do flash cards, study guide and purchase other material to pass the exam. There is a lot of material in the exam that is not covered in the course. 

Thursday, 03 November 2022
Harrynarine said:
Tuesday, 27 September 2022
Harold said:
Tuesday, 27 September 2022
David said:
Sean Michael Casey
Tuesday, 27 September 2022
Edwin said:

All good

Tuesday, 27 September 2022
edgar said:
Tuesday, 27 September 2022
Parker said:

It was a very informative course and greatly appreciated. 

Monday, 26 September 2022
Roger said:

Very Informative. I've been doing Radon testing for 20 plus years and thought I knew everything about Radon. I was wrong and I actually knew very little about Radon. 



Sunday, 25 September 2022
NICK said:
Friday, 23 September 2022
Tommy said:
Thursday, 22 September 2022
Kent said:

Doug has always made a lot of information easy to understand and delivers his presentations in a personable and professional manner.  

David Gammons
Thursday, 22 September 2022
Thomas said:

Doug is a very good instructor and the audio/video quality of the lectures were very good as well. Some questions in the quizzes did not pertain to that specific topic.

Monday, 19 September 2022
Rachel said:

The course is great for preparing you for the NRPP exam! I'm in CO and the exam covers way more than I personally need to know as I will just be placing canisters to be analyzed by a lab, but we need to be certified to do that as of July, 2022. So this course has been amazing in helping me prep for that!

Monday, 19 September 2022
Sean said:
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