Length: 24-Hours (Online) Fees: $399 Add to Cart
Radon Measurement/Mitigation Combo $599 Add to Cart

Radon gas is the leading cause of lung cancer among non-smokers, and millions of property owners are seeking professional help to make their buildings safe. PHII's Radon Mitigation Specialist & Design Course provides the technical expertise and certification needed to design and install effective radon reduction systems transforming you from an inspector into a high-revenue solutions provider.

PHII's radon mitigatio course has been approved by the American Association of Radon Scientists and Technologists & National Radon Proficiency Program (AARST-NRPP), which are national governing bodies that approve radon training. Not approved in Florida, Illinois or Ohio.

Become a Certified Radon Mitigation Specialist

This 24-hour online program teaches you the science of soil gas depressurization and the mechanics of active radon systems. You ll move beyond simply measuring the problem to fixing it, learning how to handle residential homes, schools, and large buildings using industry-standard mitigation protocols updated for 2026.

Why Add Mitigation to Your Business?

• Unlock Secondary Revenue Streams—Don't just refer the work away; earn significant fees by performing the mitigation yourself.
• High Demand & Recurring Leads—Every high-radon test result creates an immediate, urgent need for a mitigation specialist.
• Complete Environmental Authority—Position yourself as the go-to expert for indoor air quality and environmental health in your region.
• B2B & Government Contracts—Work with school districts, apartment complexes, and real estate groups on large-scale remediation projects.
• Scalable Service Model—Build a specialized crew or manage mitigation projects as a high-margin addition to your existing inspection firm.

What You ll Learn
This course walks you through the engineering and installation of radon reduction systems from initial diagnostic testing to post-mitigation verification:

• Active Soil Depressurization (ASD)—Master the "gold standard" of radon mitigation using sub-slab suction.
• System Design & Diagnostics—Learn how to perform pressure field extension tests to determine the correct fan size and suction point.
• Installation Mechanics—Detailed instruction on PVC routing, fan mounting, electrical requirements, and discharge points.
• Crawlspace & Sump Solutions—Techniques for sub-membrane depressurization and sealing sumps/cracks effectively.
• Safety & Compliance—Ensure all systems meet current building codes and OSHA safety standards for workers and occupants.

PHII s online Radon Mitigation Specialist Course is structured into clear, easy-to-master modules that build your technical skills step by step. Designed for the modern professional, the program delivers practical, field-ready training that translates directly into successful installations.

Each module simplifies complex concepts like fluid dynamics and pressure differentials using clear language, real-world installation photos, and technical diagrams that make the hardware easy to understand. You ll reinforce your knowledge with interactive checks and comprehensive practice exams, each with detailed answer keys ensuring you have the confidence to design systems that work the first time.

What's Included in the Course

• Full 24-Hour Online Mitigation Training Course
• Eligibility for NRPP Mitigation Specialist Certification Exam
• Mitigation System Checklists & Design Tools
• Downloadable Technical Manuals & Diagrams
• Lifetime access to course updates
• AHI membership and professional business resources

Real Results From Specialists
"Adding mitigation was the best decision I made for my company. PHII's course gave me the confidence to install my first system within a week of finishing. Now, mitigation accounts for over 40% of my monthly profit." Mike T., Certified Radon Mitigator