Geoffrey Katz's Groups (3)

  • Building Performance Institute (BPI)

    324 members Latest Activity: Aug 7

    BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit…

  • Best Practices (Residential)

    329 members Latest Activity: Jul 21

    Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of…

  • Wrightsoft - Manual J / Manual D

    49 members Latest Activity: May 4 If you use Wrightsoft to calculate loads or design ducts, you likely have questions.  Get answers from veteran program users and peers here!

Forum Discussions

Origin of guarded blower door testing

Started by Kim Tanner in General Forum. Last reply by Chris Clay on Monday. 7 Replies

Electro Magnetic Fields (EMF)

Started by Barry L NewDelman in General Forum. Last reply by Daniel Cullen Aug 10. 5 Replies

When is it too windy to use blower door?

Started by Brandon Walton in General Forum. Last reply by Iain Walker Aug 10. 17 Replies

Latest Activity

Home Energy Magazine's 2 videos were featured
10 minutes ago
Profile IconDave Boehmer, Hope Miller, Tammy Zagaro and 1 more joined Home Energy Pros
35 minutes ago
Home Energy Magazine's blog post was featured
39 minutes ago
Home Energy Magazine posted a video

Marc Rosenbaum, Principal, Energysmiths, compulsive measurer

Home Energy Magazine's series "Legends of Home Performance". "Making a great building involves so many aspects of human experience...it's really about how th...
18 hours ago

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