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Abbreviations:

AOP-Areas of Practice

LAR-Laws & Rules

P.E.-Professional Engineers

 

Explore all PDH CEU CPC CPD and Webinars for Engineers

Ductwork - Exterior Exposed

Course No. M-3020

Credit: 3 PDH

Course Fee: $86.85 Purchase course

Subject Matter Expert: Steven G. Liescheidt, P.E., CSI-CCS, CCPR

 

Overview

The extent and impact of the duct-related thermal losses depends directly on the location of the ductwork. For ducts located entirely within the conditioned space, any thermal losses go directly to the conditioned space. The greatest thermal losses and related energy penalties occur when ducts are located entirely outside of the building envelope. Factors affecting thermal losses and energy penalties of exterior ducts include leakage and conduction losses, direct solar radiation effects and solar reflection effects.

In this course the student will learn about the results of a study in which a building underwent a retrofit project involving additional insulation and a highly reflective coating applied to the roof and ducts. As part of this project, methods were developed to analyze the air distribution system effectiveness independent of the introduction of outside air through an outside air damper. A simplified model was developed to predict the effectiveness and efficiency of the distribution system.

The student is expected to read and review the material contained in Exterior Exposed Ductwork: Delivery Effectiveness and Efficiency, LBNL, April 1998, DOE Contract No. DE-AC03-76SF00098.

The student must take a multiple-choice quiz consisting of fifteen (15) 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:

  • Duct-related thermal losses
  • Delivery effectiveness and efficiency
  • Thermal comfort issues and the effect of a roof retrofit
  • Methods to analyze the air distribution system effectiveness

 

Course

Click on the following link to the PDF document to review the course material before taking the quiz for credit.

Ductwork - Exterior Exposed

 

Having trouble downloading the PDF file?

If clicking the link does not bring you to the PDF file, then right-click the link. Click "Save Target As" and save on your desktop. To view the file, double-click the icon on your desktop and return to this page to take the quiz. You may want to bookmark this page for your convenience. If you have questions, Live Support Chat can help.

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To receive PDH credit for this course, you must pass a multiple-choice quiz. Click the button below to Purchase Course and Take Quiz. To take the quiz, your computer must be set to accept cookies. See how to check your cookie settings.

 

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