Student Verification

About This Course

Basic Assumptions

ASHRAE Standards and Guidelines

Four Elements Involved in IAQ-Related Problems

Sources of Indoor Air Contaminants

HVAC System Design and Operation

Pollutant Pathways and Driving Forces

Building Occupants

Introduction to Commercial HVAC

Types of HVAC Systems

Testing, Adjusting, Balancing

Introduction to Components

Outdoor Air Intake

Mixed-Air Plenum and Outdoor Air Controls

Air Filters

Heating and Cooling Coils

Humidification and Dehumidification Equipment

Supply Fans

Ducts

Terminal Devices

Return Air Supply

Exhausts, Exhaust Fans, and Pressure Relief

Self-Contained Units

Controls

Boilers

Cooling Towers

Water Chillers

P-Trap

Summary Video

What is an IAQ Profile?

Different Types of IAQ Profiles

Skills Required to Create an IAQ Profile

Overview

Developing an IAQ Profile Diagram

Step 1: Collect and Review Existing Records

Step 2: Conduct a Walk-Through Survey of the Building

Step 3: Collect Detailed Information

Note for Commercial Property Inspectors

IAQ Management Plan Elements

Developing an IAQ Management Plan

Facility Operation and Maintenance

Housekeeping

Shipping and Receiving

Pest Control

Occupant Relations

Renovation, Redecorating, and Remodeling

Smoking

What is a Diagnostic Building Investigation?

Overview: Conducting an IAQ Investigation

Initial Walk-Through

Collecting Additional Information

Collecting Information About Occupant Complaints

Using the Occupant Data

Collecting Information About the HVAC System

Using the HVAC System Data

Collecting Information About Pollutant Pathways and Driving Forces

Using Pollutant Pathway Data

Collecting Information on Pollutant Sources

Using Pollutant Source Data

Sampling Air for Contaminants and Indicators

Complaints Due to Conditions Other Than Poor Air Quality

Forming and Testing Hypotheses

Successful Mitigation

Controlling Indoor Air Pollution

Remedies for Complaints Not Attributed to Poor Air Quality

Sample Problems and Solutions

Problem #1

Problem #2

Problem #3

Problem #4

Problem #5

Problem #6

Problem #7

Problem #8

Problem #9

Problem #10

Problem #11

Problem #12

Problem #13

Problem #14

Forming a Team

Make Sure That Their Approach Fits Your Needs

Selection Criteria

Overview of Sampling Devices

Simple Ventilation/Comfort Indicators

Air Contaminant Concentrations

Basics of Mold and Mildew

Background on Relative Humidity, Vapor Pressure, and Condensation

Taking Steps to Reduce Moisture

Identifying and Correcting Common Problems from Mold and Mildew

How to Identify the Cause of a Mold and Mildew Problem

Asbestos Basics