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Standard Wall Thermal Upgrade Analysis

The left is a standard wall, 3/4" siding, 1/2" sheathing, batt insulation and 1/2" sheetrock, if you remove the siding and apply 1-1/4" of…

Started by Tom Mallard in General Forum

1 Dec 2, 2013
Reply by Bill Bradbury

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 in General Forum

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 in General Forum

24 Nov 23, 2013
Reply by Dennis Heidner

Student needs help for HVAC research project

Hi, I am a Building Science student, working on a residential HVAC research project. Specifically, I am comparing the following types of sy…

Started by Lena Burkett in HVAC

7 Nov 22, 2013
Reply by prisco tammaro

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 in General Forum

1 Nov 21, 2013
Reply by Mike Rogers

French door air sealing

Good day everyone, While performing an audit and blower door test, we came across a french door (pics attached) that, of course, was hemorr…

Started by Green Iowa AmeriCorps in Weatherization

10 Nov 18, 2013
Reply by Kevin Brauer

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 in General Forum

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 in General Forum

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 in General Forum

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 in General Forum

0 Nov 12, 2013

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Airtight, Tested Right: Blower Door Tests for Contractors

Contractors: with a new New York State Energy Code going into effect in October 2016, it’s important to know what you’ll be on the hook for when it comes to ...
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