Featured Courses

Blower Door Testing

Available now
Finally learn everything you need to know to perform blower door testing. From calculations, to installation and special techniques, this course will make you a residential blower door testing master.

DIY Mold Inspection:
The Homeowner's Field Guide to Inspecting Moisture & Mold

Available online now.
This course gives you everything you need to inspect your home like a pro!
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New Course!

Interpreting Spore Trap Samples

Move beyond simply reading spore counts and learn how to truly interpret them. This course gives you the foundational knowledge to evaluate fungal types, concentrations, diversity, environmental context, and sampling limitations—helping you develop a more thoughtful, defensible approach to understanding what a spore trap report can, and cannot, tell you.

Write reports like an expert.

Boost your confidence in report writing with our comprehensive report writing course. This will hone your skills, allowing you to take your reports to the next level.
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Get the whole bundle!

Mold Assessor Fundamentals - Bundle!

Save money and learn the other essential skills!
Advance your career

Indoor Environmentalist Course

COMING SOON!

This robust course will teach you the most comprehensive approach to investigating a building for issues related to air quality, comfort, sustainability, and building performance.
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Building Science Fundamentals

Available later this year
Boost your confidence in building science. An introductory course to the science of how buildings and mechanical systems affect a building's comfort, energy efficiency, indoor air quality, longevity, and more.

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