The House as a System

In any building, thermal performance and moisture migration are inextricably bound. In this lesson, you will be introduced the essential concepts and identifies the primary relationships between the building envelope and HVAC systems that affect thermal and moisture performance of homes.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Compare the primary sources of heat loss in homes
• Identify the units of heat measurement
• Summarize the terms used to rate HVAC efficiency
• Describe the variables used in a heat-load calculation
• Identify the climate zones in the U.S.
• Explain the concept of heating degree-days

Hover your cursor over icons to see title of link