Healthy Homes, Part 1: Housing History and Purpose

Welcome to InterNACHI's free, online Healthy Homes, Part 1: Housing History Purpose Course. This is part 1 of a 14-part Certified Healthy Homes Inspector certification program. This course is provided by our accredited college at


The goal of this course is to provide general information to students about the history of housing and its evolution through time.

Based on Housing in the United States

The training materials and course content of the entire 14-course program are primarily based on housing in the United States. 


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

  • Understand general abbreviations and definitions used to describe a home and its systems
  • Classify different types of housing throughout history
  • Describe health concerns regarding urbanization and housing development
  • Check for defects related to unhealthy housing issues
  • Generate observations related to healthy housing
  • Produce written reports related to observations conducted at a house

Course includes:

  • 32 InterNACHI® CE credit hours; 
  • 10,506 words;
  • 15 quiz questions;
  • Inspection and writing assignment;
  • Research and writing assignment;
  • 25-question final exam; and 
  • Certification of Completion. 

You will learn the following topics:

  • Abbreviations and definitions of home systems
  • Pre-urban housing
  • Dwelling types
  • Urbanization
  • Urban health
  • Types of housing
  • Tenements
  • Housing health concerns
Healthy Homes, Part 1: Housing History and Purpose
Course #4800, Student Catalog 

Student WorkTime CalculationEstimated Clock Hour Time for the Average Student
Attendance for "Seat Time" 1# of minutes of student attendance / 502.1
Participation in Learning Activities 2# of minutes of online student participation / 501.0
Interactivity 3# of minutes of student interactivity / 500.5
Reading the Course Text 4# of words in the course / 100 words per minute / 502.1
Reading the Course Textbook 5# of words in the book / 100 words per minute / 502.1
Academic Engagement 6# of words in the course / 100 / 501.0
Direct Communication 7# of minutes of communication / 500.5
Instructional Video Learning 8# of minutes of video / 500.0
Reinforcement Q & A  9# of questions X 1.85 / 500.5
Writing Assignment of the Inspection  104.0 hours per assignment4.0
Writing Assignment of the Research  114.0 hours per assignment4.0
Academic Activities for an Inspection  128.0 hours for each inspection assignment8.0
Performing an Inspection  138.0 hours for each inspection8.0
Total clock hours
32.0 clock hours
32.0 InterNACHI CE Hours
3.2 CEU


In keeping with InterNACHI's commitment to Continuing Education, this online course is open and free to all members and can be taken repeatedly without limit.

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: