Healthy Homes, Part 4: Disease Vectors and Pests Course

Welcome to InterNACHI's free, online Healthy Homes, Part 4: Disease Vectors and Pests Course.  This is part 4 of a 14-part Certified Healthy Homes Inspector certification program provided by InterNACHI to members for free. 
The goal of this course is to teach students how to understand disease vectors and pests as factors related to the health of households.
Upon successful completion of this course, the student will be able to understand:
  • describe vectors of diseases
  • list common pests found in unhealthy housing
  • summarize the cons of having rodents present
  • explain the problems associated with termites
  • outline a way to reduce mosquito populations
  • describe features of housing codes
  • perform an inspection related to code issues
  • generate observations related to healthy housing
  • produce written reports related to observations conducted at a house
Course Includes:
  • 21 InterNACHI CE credit hours;
  • 10,410 words;
  • 25 quiz questions in two quizzes; 
  • Inspection and writing assignment; 
  • Research and writing assignment;
  • 20-question final exam; and 
  • Certificate of Completion.  
You will learn the following topics: 
  • Dynamics of Health and Disease
  • Vectors and Pests
  • Rodents
  • Cockroaches
  • Fleas
  • Flies
  • Termites
  • Fire Ants
  • Mosquitoes

Healthy Homes, Part 4:  Disease Vectors and Pests Course

Course # 4806



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 0.5




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 1.3
Reading, research, and studying related to completing the research and writing assignment 1.0
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. 10.0



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.