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Webinar: Estimating Costs of Air Leakage

Thursday, November 10, 2016

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Building envelope expert Andre Desjarlais of the Oak Ridge National Laboratory (Oak Ridge, TN) will present an upcoming free webinar on Durability + Design.

The webinar, “Web-Based Energy Savings Calculator for Building Envelope Air Tightness,” will be held from 11 a.m. to noon EST (8 a.m. to 9 a.m. PST) Thursday, Nov. 17.

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The webinar will discuss an easy-to-use and free online tool to estimate potential energy and financial savings in a standardized manner, so that designers and contractors can give building owners compelling reasons to invest in reducing air leakage.

Participants are eligible for one AIA LU credit. Register here.

Learning Objectives

Uncontrolled heat, air, and moisture transfer through the building envelope has a significant impact on energy usage. In aggregate, infiltration accounts for greater energy losses than any other component of the building envelope, including fenestration, and is responsible for over 4 percent of all the energy used in the United States, according to the presenter.

This webinar will:

  • Discuss the significance air tightness plays in the overall energy efficiency of buildings;
  • Review how whole building computer simulation tools handle air tightness of buildings;
  • Identify a proposed methodology for developing a database of simulation runs to extract air tightness benefits; and
  • Discuss the amount of money a building owner can save by requiring improved levels of air tightness for their buildings.

About the Presenter

Desjarlais is the leader of ORNL’s Building Envelopes Group. A native of Woonsocket, RI, Desjarlais earned a degree in aeronautics with an option in fluid mechanics from Boston University in 1973.

Prior to joining ORNL in 1991 as a mechanical engineer, Desjarlais was manager of Testing Services at Holometrix Inc. (formerly Dynatech R/D Company).

Desjarlais has been a member of American Society for Testing and Materials (ASTM) since 1987 and serves on Committees C16 on Thermal Insulation, E06 on Building Systems, and D08 on Roofing. He is the past Chairman of ASTM Committee C16. He has been a member of ASHRAE since 1991, serves on Technical Committees TC 4.4 on Thermal Insulation and Building Systems, TC 1.8 on Mechanical Insulation Systems, and TC 1.12 on Moisture Control in Buildings, and is presently Chairman of TC 4.4 and Research Chairman of TC 1.8. Since 1992, Desjarlais has been a member and past director of the Single Ply Roofing Institute (SPRI) Technical Committee and Board of Directors.

He also has served as a member and director of the Roofing Industry Committee on Weather Issues (RICOWI) since 1993. Desjarlais is the ORNL representative and former Chairman of the Federal Roofing Committee and past Member of the National Fenestration Rating Council (NFRC).

For information about the Durability + Design 2016 webinar program, or to register for specific webinars, click here.


Tagged categories: Air leakage; Andre Desjarlais; Building envelope; Good Technical Practice; Oak Ridge National Laboratory; Online tools; Research and development; Webinars

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