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ENGINEERING 2331:

Indoor Air Quality Design & Specification

IACET CEUs offered: 0.2

Credit Hours: 2 hours

Instructors: Keith Coursin, Eric Knight

Cost: $90

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Engineering Air Quality in Indoor Pools

Are you an engineer or architect that works on buildings with indoor swimming pools? If so, you already know they are challenging and high-risk projects. In this course, you can earn two (2) Professional Development Hours (0.2 IACET accredited CEUs) by familiarizing yourself with indoor swimming pool HVACD design.

Indoor pools (more commonly called natatoriums) require design parameters that are unique, and unlike any other indoor space. Corrosion and moisture issues are just part of the issue.  Indoor air quality for people is a major concern, and often overlooked or misunderstood.  This course outlines the fundamentals of natatorium air design, taught by 30+ year dehumidification expert, Keith Coursin, the retired President of Desert Aire.

Keith's detailed presentation is prefaced by Eric Knight, a former competitive swimmer who developed asthma from swimming indoors, and has been on the forefront of solving IAQ problems in pools worldwide since 2012. Since then, Eric has worked with over 350 indoor pools to successfully resolve their chloramine issues, and has been educating the aquatics industry ever since, in both water chemistry and indoor air quality. 

Eric explains the why this topic matters, while Keith teaches what and how to do things right.

Course Description:

There are multiple documents referenced by mechanical engineers in the design of HVAC and dehumidification systems for natatoriums. This program identifies those documents in a cohesive and comprehensive way to create a methodical approach to designing and specifying air handling systems. Beginning with the guest experience, design criteria is established and then best practices are used to define a design workflow that achieves the initial goals.

Learning Outcomes:

  1. Define the guest experience from the standpoint of indoor air quality performance criteria such as temperature, humidity and odors from chloramines and other disinfection byproducts.

  2. Identify the relevant standards, codes, and design references as well as potential equipment manufacturers for examples of how to interpret their performance specifications.

  3. Analyze the HVAC and dehumidification requirements from return and supply duct sizes and locations to air turnover rates and mass of water removed through dehumidification.

  4. Formulate a plan that optimizes the design for a safe and healthy indoor air quality.

 

 

What you will learn:

Define the guest experience from the standpoint of indoor air quality performance criteria such as temperature, humidity and odors from chloramines and other disinfection byproducts.

Identify the relevant standards, codes, and design references as well as potential equipment manufacturers for examples of how to interpret their performance specifications.

Analyze the HVAC and dehumidification requirements from return and supply duct sizes and locations to air turnover rates and mass of water removed through dehumidification.

Formulate a plan that optimizes the design for a safe and healthy indoor air quality.

Your instructors

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Keith Coursin

Keith Coursin is the former President of Desert Aire, where he served from 1990 to 2024 and helped lead one of North America’s premier manufacturers of dehumidification and refrigeration systems. In addition to his leadership at Desert Aire, Keith serves as Board President of the Resource Innovation Institute. He has also played a significant role in the HVAC industry, serving on the executive committee of the Air-Conditioning, Heating, and Refrigeration Institute and acting as its chairman in 2008. A member of the ASHRAE, Keith contributed to updates to Standard 62.1, helping shape ventilation and indoor air quality guidelines.

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Eric Knight

Eric Knight is a former American Record Holder in swimming who came to the pool industry in 2012 after developing asthma and lung damage from swimming indoors. He has devoted his entire career to improving water and air quality for pools worldwide. Eric was a VP at Orenda Technologies and HASA, where he led the creation of the Orenda Calculator® and the Orenda app, Orenda Academy®, and created and hosted the Rule Your Pool Podcast®. Eric was with Orenda until April 2025, when he joined Watershape University as their new Executive Director. Eric is now focused on building Watershape University into the most user-friendly and robust higher education program in the pool industry. He still teaches chemistry and business classes for WU, and conducts in-person natatorium evaluations for air quality improvements.

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