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Shell Sealing Limits to Existing Homes

What is the appropriate level to shell seal existing homes, in a cost-effective manner. Is it appropriate to target the sealing goal to cur…

Started by Tom Barrett in General Forum

5 Aug 11, 2016
Reply by tedkidd

Do You Have New Windows? Please help NREL research lowering costs of window installations.

Did you recently replace the windows in your home? If so, you can help advance research that could reduce the cost of replacement windows.…

Started by Jorn Aabakken in General Forum

1 Aug 11, 2016
Reply by Sydney G. Roberts

Foam insulation on attic floor

Started by Larry Nissman in General Forum

13 Aug 11, 2016
Reply by tedkidd

ENERGY STAR - Slab Insulation

Folks, Let's say I have a client who's building slab on grade and intending to certify E-STAR.  I'm in CZ 5B.  According to the Thermal En…

Started by Melissa Baldridge in General Forum

2 Jul 29, 2016
Reply by Melissa Baldridge

West Michigan Organizations Awarded LEED Homes Power Builders

Recently two West Michigan Organizations were awarded the distinguishing “LEED Homes Power Builders Award by the USGBC (U.S. Green Building…

Started by Brett Little in Best Practices

0 Jul 29, 2016

Vent Cap Systems and SENSIT Technologies Products Added to BPI Product List

The Building Performance Institute, Inc. (BPI) has recognized four new products in its Product Listing Program that meet or exceed industry…

Started by Quinn Korzeniecki in General Forum

0 Jul 25, 2016

Blower Door Databases: ATTMA and Retrotec rCloud

Hi guys, We're pushing for blower door testing in the building code here in Australia and we think that consistent data reporting is an imp…

Started by Sean Maxwell in Training

3 Jul 18, 2016
Reply by Chris Dorsi

White Paper: Duct Airtightness Testing

Executive Summary This paper explains important considerations that help weatherization professionals and HVAC contractors identify the…

Started by Kim Tanner in General Forum

0 Jul 15, 2016

Tax credit for wood burning stove?

On http://www.wisconsinwoodenergy.org/find-a-grant-to-fund-your-project.html it says that wood burning stoves qualify for up to a $300 inco…

Started by Derrick Koehn in General Forum

0 Jul 7, 2016

Poll: What is you favorite or most important home performance diagnostic or measurement tool?

Take our latest poll: What is you favorite or most important home performance diagnostic or measurement tool? Feel free to discuss this t…

Started by Diane Chojnowski in General Forum

6 Jul 7, 2016
Reply by Pat Dundon

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Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Eric Kjelshus yesterday. 4 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy on Thursday. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas on Thursday. 2 Replies

Strange IR Image

Started by Larry Nissman in General Forum. Last reply by Brad Cook Mar 9. 7 Replies

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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
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Eric Kjelshus replied to Steve's discussion Too many BTU's. Too much horsepower?
"Its more about run time with high RH removing, than to large over sized AC unit, in houses.  …"
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Crowdsourcing for Innovation

Share Your Ideas!Novel Building Envelope Design for Increased Thermal PerformanceIn 2014, more than…See More
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Walter Ahlgrim replied to Steve's discussion Too many BTU's. Too much horsepower?
"The 5 ton system you have is not 500 hp racecar engines they are 500 hp truck engines. The duct…"
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Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"So I wanted to start with a basic who can help then go into more detail later. But yes find…"
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Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"My tutor got back to me and while areas don't quite feel right a little to much assumptions…"
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