Become a Certified Radon Tester or Mitigator

Join the radon mitigation industry and make a difference in your hometown!  Licensed, certified radon testers and mitigators help promote radon awareness and keep indoor air safe!

Professional Discount Supply is pleased to offer a 15% discount on all CERTI Radon Courses!  All CERTI radon certification and training courses are approved by NRPP for entry level certification and for continuing education for both radon measurement and mitigation.  All radon certification and training courses are online, home-study courses with no time limit for completion.  CERTI courses include full tech support for online courses and for job site radon-related questions.  CERTI has been a leader in radon training since 1986!

Certified radon mitigators and testers also receive preferred pricing on PDS products (up to 15% off online orders!).

To take advantage of this special offer for radon certification and training, go to — select either “Entry Level Courses” or “CE Courses” to see course selection.  Once you have selected your courses and are purchasing through the shopping cart, enter coupon code PDS1523.  You will receive 15% off the cost of the course.

Use PDS1523 for 15% OFF


Online NRPP approved courses are also available with our friends at Kansas State University: visit this page to learn more

State radon licensing programs usually require an NRPP or NRSP radon certification.  Check with your State agency and contact a qualified radon tradeschool.  Colorado State radon testing or mitigation licensing information can be found here.