The 5-day training costs $1,875.
To register, choose from the following:

Classes meet Monday through Friday from 8 a.m. to 5 p.m. each day.
Seating is limited, so register now!

Location of the InterNACHI School

InterNACHI® Headquarters, the InterNACHI School, and the House of Horrors® are located at 4635 Nautilus Court S. in Boulder, Colorado (80301), which is about 50 minutes from Denver International Airport.


Certified Professional Home Inspector CPIAt the completion of this class, you will be:

You will also receive a Certificate of Completion and an InterNACHI® Inspector ID Badge.

Upon completion of this class, you will know how to perform a home inspection according to the Standards of Practice.

During the 5-day class, you will:

  • perform several home inspections, with Certified Master Inspectors® as your instructors and mentors;
  • learn how to inspect systems and components of a home according to the Standards of Practice; 
  • practice writing home inspection reports; and
  • upon successful completion, receive the Certified Professional Inspector® designation.

This class includes performing several home inspections at the House of Horrors®, an entire house with a thousand defects built under our roof at InterNACHI® Headquarters. You'll learn how to find all of the defects we intentionally installed in this amazing facility. There are over 120 defects in the plumbing system alone!

We'll also prepare you to pass the Online Home Inspector Exam.

Test-Drive Inspection Tools

During the class, we'll test-drive over $20,000 worth of tools provided by our e-commerce partner, Inspector Outlet, including:

Inspector Outlet will provide you with special pricing if you decide to shop at the store located inside InterNACHI Headquarters.

Your class includes:

  • a free one-year membership in InterNACHI® (for non-members only; a $499 value);
  • catered lunch;
  • inspection t-shirt;
  • inspection textbooks; and
  • home maintenance books to give to your clients.

Your class purchase also includes unlimited access to all of the following online courses provided by InterNACHI®:

  • Safe Practices for the Home Inspector 
  • 25 Standards Every Inspector Should Know 
  • Residential Plumbing Overview for Inspectors 
  • How to Perform Residential Electrical Inspections 
  • How to Perform Roof Inspections 
  • How to Inspect HVAC Systems 
  • Structural Issues for Home Inspectors 
  • How to Inspect the Exterior 
  • How to Inspect the Attic, Insulation, Ventilation and Interior 
  • How to Perform Deck Inspections 
  • How to Inspect for Moisture Intrusion 
  • How to Inspect Fireplaces, Stoves, and Chimneys 


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