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Water Water Everywhere

I am new to the business.  Went to a residence that has a mobile home that has an addition and metal roof.  This roof is about 8ft above th…

Started by James Murray

4 Dec 14, 2013
Reply by Dennis Heidner

Third party testing rqmt

I'm interested to know if the State you live in requires Blower door testing of the residential building envelope on new construction? Here…

Started by Eric Sperline

2 Dec 13, 2013
Reply by Eric Sperline

Energy Efficiency Federal Tax Credit extension beyond 2013?

Has anyone heard of any news with some hope that Federal Tax Credits for HVAC and insulation will be extended beyond Dec 31 2013?  Accordin…

Started by Trevor Frick

5 Dec 6, 2013
Reply by Dennis Heidner

Give the gift of building science!

Give your staff, colleagues and others on your list BPI's Building Science Principles (BSP) guide and certificate exam! 20% off the retail…

Started by Mike Kandel

0 Dec 5, 2013

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

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

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

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Amber Vignieri posted a blog post
8 hours ago
Evan Mills posted a blog post

Looking Back and Looking Forward: Home Energy Pros at 5 and 5000

Over the past five years, the Home Energy Pros social network has grown from a twinkle in our eyes…See More
9 hours ago
tedkidd replied to Diane Chojnowski's discussion Poll: How confident do you feel about the future of home performance?
"Thank you for sharing this trend! Full disclosure, I did NOT ask Bob to post that! If you have 2…"
9 hours ago
Bob Blanchette replied to Diane Chojnowski's discussion Poll: How confident do you feel about the future of home performance?
"I see fixed monthly grid charges continuing to increase while cost per therm/kwh/gallon remain…"
9 hours ago
Quinn Korzeniecki posted a discussion

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 …See More
12 hours ago
Simon joined Diane Chojnowski's group
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Online Training

Online training coursesIf you provide ongoing online training for home performance or…See More
yesterday
Simon added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
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Wanted - Blower and door frame kit for Minneapolis system

Hi everyone,I'm new to this line of work and have bought some equipment (Minneapolis blower door…See More
yesterday
Simon replied to Steve Mann's discussion TEC Blower Door Frame in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi, I'm interested, but could you send to UK?,I'd pay shipping of course. My email is :-…"
yesterday

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