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 provided by InterNACHI to members for free. 
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 is based primarily upon 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:
  • 21 InterNACHI CE credit hours; 
  • 2.1 CEU; 
  • 9,700 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 Purpose Course

Course #4800



Estimated hours for the average student

Academic Engagement

Reading online course instructional material at 140 words per minute


Taking quizzes 


Taking the exam


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


Submitting an inspection and writing assignment

Submitting a research and writing assignment




Studying and reviewing instructional material in preparation for taking quizzes and exam 


Reading the downloaded student course book including taking the quizzes with the book
Reading, research, and studying related to completing the research and writing assignment
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.



Sub Total


Overall Total

21 hours

2.1 CEU

And, in keeping with InterNACHI's commitment to Continuing Education, this online course is open and free to all members, and can be taken again and again, 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: