Joel Greenberg's Discussions (6)

Discussions Replied To (1) Replies Latest Activity

"I'm a BPI BA and I teach both weatherization and solar at Austin Community College.…"

Joel Greenberg replied Aug 26, 2011 to NABCEP Installer trianing development questions

7 Sep 6, 2011
Reply by Matthew Redmond


Latest Activity

Chad Nicholson is now a member of Home Energy Pros
Eric Kjelshus replied to Energy Wise Solutions's discussion What causes a temperature plane in a home
"Hot air goes up and cool air goes down.   I put in returns high and low.  In summer use…"
John Nicholas replied to Luis Hernandez's discussion Solar panel leasing
"The variables in buying a solar panel installation: Equipment -  Length of all Guarantees,…"
Richard Drohan liked Brian Sipp's discussion Minneapolis Duct Blaster System with DG-700 For Sale


  • Add Photos
  • View All

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service