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Investigation of the Impact of Commercial Building Envelope Air Tightness on HVAC Energy Use

Credit: 5 PDH
Course Fee: $75.00
48 pages

Course Summary:

This course presents a simulation study of the energy impact of improving envelope air tightness in U.S. commercial buildings. Despite common assumptions, measurements have shown that typical U.S. commercial buildings are not particularly airtight. Past simulation studies have shown that commercial building envelope leakage can result in significant heating and cooling loads. To evaluate the potential energy savings of an effective air barrier requirement, annual energy simulations were prepared for three nonresidential buildings (a two-story office building, a one-story retail building, and a four-story apartment building).

Learning Objective:

  • Introduction
  • Analysis Method
  • Building Descriptions
  • Airflow Models
  • System Models
  • Scalar Calculation

Review the quiz before studying the course.

Course Content

Course Author: US Department of Energy, Office of Building Technologies

Course 1

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