Weatherization Basics
Lead Safe Weatherization
Environmental Hazards
Job Safety for Weatherization
Essential Customer Service
Construction Basics

Construction Terms

Building Loads



Moisture Management

Exterior Cladding


Windows and Doors

Roofing and Attics

HVAC Systems

Electrical and Plumbing

Interior Finishes
Building Performance Institute Inc.


Insulation is obviously a topic vital to the work of energy efficiency and weatherization specialists. Between 30% and 60% of energy used in American households is for maintaining the indoor temperature, and better insulation provides one way to reduce this consumption. So, this lesson explains the role insulation plays in reducing the movement of heat through buildings, and explains key details for attaining optimal performance.

After completing this lesson, students will be able to:

  • Discuss the basic principles of heat movement
  • Describe conduction, convection, and radiation
  • Explain the differences between the common types of insulation
  • Describe how insulation works
  • Explain what a vapor retarder does

Watch our example videos for this lesson by clicking on the link(s) below:

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