Healthy Homes, Part 14: Residential Swimming Pools and Spas Course

Welcome to InterNACHI's free, online Healthy Homes 14: Residential Swimming Pools and Spas Course. This is part 14 of a 14-part Certified Healthy Homes Inspector certification program. This course is provided by our accredited college at

Take the free online course now.


The goal of this course is to teach the student the guidelines for inspecting and maintaining residential swimming pools and spas. 


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

  • Describe hazards related to residential pools and spas; 
  • Describe methods of water testing; 
  • List child safety hazards related to pools and spas; 
  • Communicate ways in which a pool and spa are maintained; 
  • Perform an inspection related to a pool or spa; 
  • Generate observations related to inspecting a pool or spa and its water quality; and 
  • Produce written reports related to observations conducted at a house.

Course includes:

  • 18 InterNACHI® CE credit hours
  • 6,327 words
  • 10 quiz questions in two quizzes
  • Inspection and writing assignment
  • Research and writing assignment
  • 15-question final exam
  • Certificate of Completion

You will learn about the following topics: 

  • Child safety
  • Child-proofing
  • Hazards
  • Public health issues
  • Diseases
  • Content turnover rate
  • Filters
  • High-rate sand filters
  • Cartridge filters
  • Diatomaceous Earth 
  • Filter loading rates
  • Disinfectants
  • Effect of pH
  • Chlorine disinfectants
  • Pool water hardness and alkalinity
  • Liquid chemical feeders
  • Positive displacement pump
  • Erosion and flow-through disinfectant feeders
  • Spas and hot tubs 
Healthy Homes, Part 14: Residential Swimming Pools and Spas Course
Course #4828, Student Catalog 

Student WorkTime CalculationEstimated Clock Hour Time for the Average Student
Attendance for "Seat Time" 1# of minutes of student attendance / 501.5
Participation in Learning Activities 2# of minutes of online student participation / 500.3
Interactivity 3# of minutes of student interactivity / 500.5
Reading the Course Text 4# of words in the course / 100 words per minute / 501.5
Reading the Course Textbook 5# of words in the book / 100 words per minute / 501.2
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  102.0 hours per assignment2.0
Writing Assignment of the Research  112.0 hours per assignment2.0
Academic Activities for an Inspection  124.0 hours for each inspection assignment4.0
Performing an Inspection  134.0 hours for each inspection4.0
Total clock hours
18.0 clock hours
18.0 InterNACHI CE Hours
1.8 CEU


This course has been approved by:

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.