Tools of the Trade Discussions (36)

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Discussions Replies Latest Activity

Hand-Held Energy Audits

Today, not only are hand-held devices much smaller and easier to use, but they can be extended very easily with a wide variety of both soft…

Started by Home Energy Magazine

0 Dec 31, 2010

The DeltaQ Test: An Easier Way to Measure Duct Leaks

Iain Walker and Max Sherman developed the DeltaQ test in 2002 to provide a more accurate measurement of duct leakage. The test is relativel…

Started by Home Energy Magazine

0 Dec 31, 2010

How To Measure Leakage in Multi-Family Buildings

Anyone who has ever lived in an apartment building knows the unpleasantness of involuntarily smelling what the neighbor two floors below is…

Started by Home Energy Magazine

0 Dec 31, 2010

Energy Guage for HERS Ratings

The version Steve Mann discusses in this Home Energy article (May/June, 2009) is ResRate Pro Version 2.8. It uses the DOE-2.1E simulation e…

Started by Home Energy Magazine

0 Dec 31, 2010

The Blasnik Methods— Zone Pressure Diagnostics

Zone pressure diagnostics (ZPDs) are used to identify and measure series leaks, or leaks that pass through several zones of the house. For…

Started by Home Energy Magazine

0 Dec 31, 2010

Revisiting the tracer gas measurement technique

Research in 2005 at Lawrence Berkeley National Laboratory worked on using tracer gases for air flow testing in buildings. The LBNL study on…

Started by Home Energy Magazine

0 Dec 31, 2010

House of Pressure

The House of Pressure visually demonstrates pressure and air flow dynamics within a residence, using pressure diagnostics. It is a model…

Started by Home Energy Magazine

2 Dec 16, 2010
Reply by Leslie Jackson

Infrared Camera

Today’s IR systems are easy to use. But interpretation requires good camera skills, an understanding of heat transfer, radiation physics,…

Started by Diane Chojnowski

3 Dec 8, 2010
Reply by Michael Stuart

Computer-based Solar Design Tools

With climate changes and rising energy prices, many designers, builders, remodelers, and homeowners now realize that building-integrat…

Started by Home Energy Magazine

1 Dec 8, 2010
Reply by Dan Kuthy

Garbage Bags and Laundry Baskets

Garbage bags can be pretty handy components of an HVAC contractor’s tool kit, research in 2003 at Lawrence Berkeley National Laboratory (…

Started by Home Energy Magazine

1 Dec 8, 2010
Reply by Debra Monte

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Discussion Forum

Seeking a Flow Hood

Started by George Matthews Apr 10. 0 Replies

Affordable Manometers?

Started by Isaac Savage. Last reply by Pete Stoermer Feb 15, 2016. 3 Replies

Looking For A Retrotech Duct Tester ?

Started by Chris Schiewer. Last reply by Jamie Kaye Dec 16, 2015. 1 Reply

Buying Used Equipment

Started by Nick Semon May 18, 2015. 0 Replies

Used Blower Doors?

Started by Isaac Savage. Last reply by Cameron Millard Jan 16, 2014. 3 Replies

Latest Activity

David Butler replied to David Butler's discussion How would you insulate this roof?
"Sean Lintow proposed rails and clips (re: first comment in this discussion), but in the context of…"
2 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I missed where the suggestion for rails came in. The plywood would not need any rails. 4+ inches is…"
6 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"I'm a little confused about the necessity and purpose of using support rails if working on…"
6 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"If you insulate master bedroom and family room from below, you definitely need more R-value than…"
6 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"Brad, I was only talking about using EPS between the ridges, if necessary, to conform to bolts.…"
7 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"It kind of depends on the PIC. Not all insulation is made the same. Here in VT (and all of New…"
7 hours ago
David Butler replied to David Butler's discussion How would you insulate this roof?
"Filling those shallow valleys with rigid foam not only prevents primary foam panels from…"
7 hours ago
Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Bill, you just posted a number of responses in different areas of the thread. I will try to respond…"
11 hours ago

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