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Cycling Losses for Gas Furnaces

How much does cycling losses of a gas furnace reduce AFUE vs. Thermal Efficiency? Loss of efficiency for oversized AC units is well documen…

Started by Bob Blanchette

4 Nov 30, 2013
Reply by Jan E. Graveamker

Should Homeowners with PV Get Paid Retail or Wholesale Prices for their Excess Electricity?

I've been doing some research, trying to get my arms around the problem of the longterm sustainability of renewable energy in the Unites St…

Started by Jim Gunshinan

24 Nov 23, 2013
Reply by Dennis Heidner

Energy Foundation’s BRIM Report Conclusion: Support Efficiency First

From an Energy Foundation report (See more at http://omstout.com/?p=5782): “We agree that contractors should be a part of all major residen…

Started by Mike Rogers

1 Nov 21, 2013
Reply by Mike Rogers

Combined combustion tester CO + Manometer

Wondering if anyone has any feedback on the combustion analyzers that have integrated pressure measurements. I am getting ready to move to…

Started by Craig Bird

2 Nov 15, 2013
Reply by Eric Kjelshus

Are "Stack Effect" and "Chimney Draft" the same?

A year plus ago J Brooks asked a question, "I am curious if you have found any references for the origin of the term "Stack Effect"?  Is it…

Started by Bud Poll

4 Nov 15, 2013
Reply by Bud Poll

I'm hiring!

I have two open positions available for Energy Advisors in Delaware. If you're interested, please click the link below. https://icfi.taleo.…

Started by John White

0 Nov 15, 2013

Women in Home Performance article

Hi all! I'm the Assistant Editor for Home Energy Magazine and I'm working on an article for our 2014 year about women in home performance,…

Started by Macie Melendez

0 Nov 12, 2013

Calculating attic ventilation

All too often an existing home has far too little attic ventilation and some difficult choices for adding more.  We all know the existing,…

Started by Bud Poll

27 Nov 7, 2013
Reply by Roy L. Miller

Air sampling low pressure two part foam

Can anyone share their experience with air sampling of low pressure 2 part foam in residential homes? I'm about 20 hours into reading endle…

Started by Cory Chovanec

4 Nov 1, 2013
Reply by Bob Sullivan

The Building Analyst certification is upgrading....don't get left behind!

The Building Analyst certification is upgrading....don't get left behind! Click here to find out more about the BA upgrade: http://www.bp

Started by Mike Kandel

0 Oct 31, 2013

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George Matthews replied to George Matthews's discussion Shortridge 8400 Flowhood for A/C airflow testing in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Here are the pics of the flowhood and airdata manometer"
yesterday
Sarah Holloway posted a photo
yesterday
Joe Urycki added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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TEC blower door and UEI combustion analyzer for sale

For sale is one used TEC Minneapolis blower door system: Includes model 3 fan with rings A and B,…See More
yesterday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"The Nay side is well represented with the links already posted. I presented a neutral side, with…"
yesterday
Ray Lehman replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"Hey John, Thanks for the information.  Very good empirical data. While I agree that running…"
Friday
John Nicholas replied to Kevin Emerson's discussion Studies re: radon mitigation and energy efficiency
"I have no links, just some anecdotal evidence. I had several Blower Door Tests done on my own home.…"
Friday
Chris Laumer-Giddens commented on Chris Laumer-Giddens's blog post Raising the BARrier in North Carolina Mountain Home, Air Tight Ceiling
"@Joe Nagan, We have found this technique to be WAY simpler and A LOT less labor than making a…"
Thursday
Judy Rachel replied to Blake Shurtz's discussion Testing spillage on induced draft furnace?
"I hope the attached picture is clear enough for you to see.  As the caption on the picture…"
Thursday

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