Minicourse 3 of 4 — Mold Awareness and Prevention Series

Crawl spaces. Basements. Attics. Plumbing. Every home has moisture vulnerabilities — most homeowners just don't know where to look.

Moisture problems don't stay in one place. They show up in specific locations throughout a home — and each location has its own set of conditions, causes, and consequences. This minicourse covers where they are, why they happen, and what is generally recommended to address them.

Enroll now — $67

The Problem

Moisture problems in homes are location-specific — and each location is easy to overlook

Understanding that moisture causes mold is one thing. Knowing where moisture problems actually show up in a real home — and what to watch for in each of those locations — is an entirely different level of awareness. This minicourse bridges that gap by walking through the most common moisture problem locations found in residential buildings, one by one.

Crawl Spaces and Basements

Among the most common locations for undetected moisture accumulation and mold growth in residential buildings.

Attic Spaces

Frequently caused by ventilation and insulation issues that are not visible from a standard interior walkthrough.

Drainage and Grading

A leading cause of moisture intrusion that most homeowners never connect to their indoor air quality.

Plumbing Leaks

Often go unnoticed for extended periods — creating ideal conditions for hidden mold growth.

Your Guide

A guide who has inspected every corner of these problem locations

Jerry Parker has spent decades as an Indoor Air Quality consultant, professional home builder, and HVAC specialist — which means he has been inside the crawl spaces, attics, basements, and mechanical rooms where moisture problems begin. He knows what these problem locations look like, what conditions create them, and what professionals typically look for during an assessment.

Indoor Air Quality Consulting | Professional Home Builder | HVAC Specialist | 4IAQ.com

The Plan

Three steps to knowing your home's moisture vulnerabilities

1

Enroll and start immediately

Seven focused lessons covering the most common moisture problem locations in residential buildings — from the foundation and crawl space to the attic and plumbing systems.

2

Learn each location — what happens there and why

Understand the specific moisture conditions, contributing factors, and common indicators associated with each problem area — explained in plain language.

3

Walk through your home with a completely different eye

Complete the final quiz, receive your certificate of completion, and approach every area of your property with the location-specific awareness that most homeowners never develop.

What's Inside

Seven lessons — Common Moisture Problems In Homes

Lesson 1 — Common Moisture Problems in Homes
An overview of the moisture problem landscape in residential buildings — the most frequently encountered locations and what is generally understood about their relationship to indoor air quality.

Lesson 2 — Why Moisture Problems Are Common in Homes
The building science reasons that moisture problems are so prevalent in residential construction — and what conditions are generally associated with higher moisture risk across different home types and ages.

Lesson 3 — Drainage and Grading Problems
How exterior drainage and lot grading contribute to moisture intrusion in residential buildings — and what is generally recommended when drainage issues are identified.

Lesson 4 — Crawl Space and Basement Moisture Problems
The conditions commonly associated with moisture accumulation in crawl spaces and basements — among the most frequent locations for hidden mold growth — and what professionals typically look for.

Lesson 5 — Attic Moisture Problems
How attic moisture problems develop, what ventilation and insulation conditions are generally associated with attic mold risk, and what is typically recommended when attic moisture indicators are present.

Lesson 6 — Plumbing Leaks and Interior Water Problems
How plumbing leaks and interior water intrusion contribute to hidden mold growth — including the locations where these problems most commonly go undetected.

Lesson 7 — Fixing Moisture Problems to Reduce Mold Risk
What is generally recommended when moisture problems are identified in the locations covered throughout this minicourse — followed by a knowledge check quiz and your certificate of completion from 4 Indoor Air Quality.

Success

What location-aware looks like after this minicourse

✓ Location Knowledge

You know the specific locations in a home where moisture problems are most commonly found and what conditions create them.

✓ Informed Eye

You can walk through a crawl space, basement, or attic with an informed eye — knowing what indicators are generally worth paying attention to.

✓ Better Questions

You know the right questions to ask an inspector or contractor about each problem location — and can evaluate what they tell you.

✓ Certificate

You have a certificate of completion documenting your location-specific moisture awareness education from a credentialed IAQ professional.

What's at Stake

What it costs to not know where to look

Moisture problems that go unrecognized in their early stages — because a homeowner didn't know what to watch for in a crawl space, attic, or basement — are typically the ones that become expensive remediation projects.

What is commonly seen when location-specific moisture awareness is absent: problems discovered late, during a home sale inspection or after visible mold appears, at a point where the cost and disruption are significantly greater than they would have been with earlier awareness. Knowing where to look is the most practical form of protection available to a homeowner.

Enroll

Know where moisture hides — before it becomes a problem

$97 value

$67

Introductory pricing — 7 lessons, approximately 47 minutes

7 video lessons · Recommended resources tab · Final lesson quiz · Certificate of completion · Lifetime access