Jack Callahan
  • Portland, OR
  • United States
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Jack Callahan's Page

Latest Activity

Jack Callahan and Aleta Thompson are now friends
Dec 3, 2010
Jack Callahan updated their profile
Nov 3, 2010
Jack Callahan updated their profile photo
Nov 3, 2010
Jack Callahan is now a member of Home Energy Pros
Nov 3, 2010

Profile Information

Company
Bonneville Power Administraion
Professional Certification
P.E., CEM, CMVP
Professional Interests
Emerging Technology
Website URL
http://www.bpa.gov/energy/n/index.cfm

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Another benefit from air sealing

From our perspective air sealing should often be the first step, but when explaining its importance…See More
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