Infrared Certified® Thermography Inspection Course

Welcome to InterNACHI's free, online "Infrared Certified® Thermography Inspection Course."

Take the free online course.


This course aims to teach the student how to use an infrared camera to detect thermal patterns caused by defects, energy loss, water problems, moisture intrusion, and building envelope deficiencies. 

The completion of this course is a requirement to become Infrared Certified® and an InterNACHI® Infrared Certified® Thermography Inspector. Visit for details.


Upon successful completion of this course, the student will be able to:

  • discuss basic thermal and infrared physics; 
  • describe the parts of an infrared camera and simplify how they operate; 
  • demonstrate how to use an infrared camera during an inspection;
  • inspect the systems and components of a building with an infrared camera;
  • distinguish between what an infrared camera detects and does not detect; 
  • apply thermodynamics to detect conditions of heat and energy movement throughout a building; 
  • explain the difference between qualitative and quantitative inspections; 
  • list the benefits of using an infrared camera during a visual inspection of a building; 
  • interpret and analyze observed anomalies represented in infrared inspection images; 
  • communicate to clients in written form indications of observed defects at inspected systems and components.

This course is free to all InterNACHI® members and can be taken repeatedly, without limit.

Course includes: 

  • 24.0 InterNACHI® CE hours;
  • 28,539 words;
  • 6 hours of instructional video; 
  • an inspection and writing assignment;
  • a research and writing assignment; 
  • 40 quiz questions (drawn from a larger pool);
  • a 60-question final exam (drawn from a larger pool);
  • instant grading; 
  • a downloadable, printable Certificate of Completion.    

You will learn the following topics:

Building Science

  • Physics of Light
  • Thermodynamics
  • Materials Properties

Thermal Imaging

  • Types of detectors
  • Specifications
  • Imaging Considerations

Imaging Applications

  • Scanning Methods
  • Exterior
  • Roof
  • Electrical
  • Interior
  • Plumbing
  • HVAC
  • Insulation

Take the free online course.

Infrared Certified® Thermography Inspection Course
Course #4304
Estimated Clock Hours of the Average Student
Academic EngagementReading online course instructional material at 140 words per minute. (28,539/140/60=1.23.4

Watching 362 minutes of inspection training video. (50 minutes of video instruction per 60-minute hour)

Taking quizzes (40 x 1.85 / 60 = 1.25)

Taking the final exam (60 x 1.85 / 60 = 1.85)

Conducting a directed and independent inspection study performed according to the Standards of Practice, including developing an inspection report.

Submitting an inspection and writing assignment.

Submitting a research and writing assignment. 0.4


PreparationStudying & reviewing instructional material in preparation for taking quizzes and the exam.

Studying and preparing for inspection processes according to a Standards of Practice, including capturing and storing digital images with a camera or device, making observations, evaluating conditions, deducing, formulating opinions, communicating observations in written form, attaining competency in performing inspections and using an inspection checklist or software and other inspection tools in producing a report.


Total = 15.3 + 8.223.5 

24.0 Clock Hours
24.0 InterNACHI® CE Hours
2.4 CEU


Reminder to members:  InterNACHI's Code of Ethics 1.10 requires that you comply with all government rules and licensing requirements of the jurisdiction where you conduct business.  InterNACHI's courses and Standards generally exceed the Standards of Practice that you are required to abide by locally.  


This course has been approved by:

  • the International Association of Certified Home Inspectors; 
  • the Master Inspector Certification Board; 
  • the International Association of Certified Indoor Air Consultants;
  • the Certified Commercial Property Inspectors Association; and 
  • many government agencies and licensing boards.

Upon completing this course and passing the 60-question final exam, the student can download and print their certificate of completion, which is auto-generated in their own name.

The student's (InterNACHI member's) information is recorded on InterNACHI's servers for membership compliance verification and automatically logs completion into InterNACHI's online Continuing Education log.  

InterNACHI... #1 in inspection education.