Overview
Infiltration in commercial buildings can have many negative consequences, including reduced thermal comfort, interference with the proper operation of mechanical ventilation systems, degraded indoor air quality, moisture damage of building envelope components, and increased energy consumption. The objective of the study used for this course was to investigate the impact of envelope airtightness on the energy consumption of typical commercial buildings in the U.S. Despite common assumptions that envelope air leakage is not significant in office and other commercial buildings, measurements have shown that these buildings are subject to larger infiltration rates than commonly believed (Persily 1998, Proskiw and Phillips 2001).
In this course, the student will learn about the importance of improving the building envelope construction to provide better airtightness. The student will learn both theory and practical applications regarding building envelope construction importance.
The student is expected to read and review the material contained in Investigation of the Impact of Commercial Building Envelope Airtightness of HVAC Use, National Institute of Technologies - NISTIR 7238 – June 2005
The student must take a multiple-choice quiz consisting of sixteen (16) questions at the end of this course to obtain PDH credits.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Building descriptions – retail, offices, apartments
- Airflow models
- Thermal properties, set points and schedules
- Energy uses and scalar ratios
- Targeted air leakage rates
Course
Click on the following link to the PDF document to review the course material before taking the quiz for credit.
Building Envelope Airtightness
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