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First Law of Themodynamics

I have been thinking alot about this 1st Law, where energy is neither created or destroyed and i am having difficulty understanding this. A…

Started by Jim Tenhundfeld in General Forum

3 Aug 9, 2012
Reply by Ed Voytovich

How does your utility use smart meter technology?

A quick poll to see how widespread smart meter technology has become. What type of power meter do you have, and how does your utility use t…

Started by Bob Blanchette in General Forum

5 Aug 9, 2012
Reply by Rod Fox

Controversial? The Rebound Effect?

Since more efficient (and cheaper) energy will also lead to faster economic growth, it's suspected that improvements in energy efficiency m…

Started by Tom Delconte in General Forum

10 Aug 9, 2012
Reply by Richard Scott Mills

BPI Releases Initial Results of Quality Assurance Procedures for Proctors and Test Centers

The Building Performance Institute, Inc. (BPI) is pleased to release the initial results of its Quality Assurance procedures for proctors a…

Started by Mike Kandel in General Forum

1 Aug 8, 2012
Reply by Tom Conlon

Installing additional supply runs from the main trunk.

Here is a new area for me: The wisdom (or lack thereof) of adding supply duct runs in order to improve airflow to rooms that are uncomforta…

Started by Patrick Michaelyan in General Forum

16 Aug 8, 2012
Reply by Patrick Michaelyan

Cost of foam installation

I'm looking for some foam installation prices. I know each company is different and have there own overhead and all, and I also realize the…

Started by Paul Lasicki in General Forum

4 Aug 7, 2012
Reply by Paul Lasicki

Thoughts on advertising through Angie's List and\or Service Magic.

Hello all my fellow champions of better buildings. I am strongly considering dropping some significant cash to begin advertising on Angie'…

Started by Patrick Michaelyan in General Forum

10 Aug 6, 2012
Reply by John Redmond

BPI Announces Quality Assurance Field Inspection Standard

The Building Performance Institute, Inc. (BPI) is pleased to announce that its new Standard for Residential Building Quality Assurance Rela…

Started by Mike Kandel in General Forum

0 Aug 3, 2012

portable AC units--EdgeStar AP12000

First time I've come across these units-- vents with 5" hose thru window , exhaust only ! located in 2nd fl bath of 1.5 srory with can lig…

Started by ken schaal in General Forum

8 Aug 2, 2012
Reply by Bob Blanchette

Apply Now to Take the Home Energy Professional Pilot Exams

Due to strong contractor participation in BPI’s pilot Home Energy Professional certification exam program, BPI will hold an open applicatio…

Started by Mike Kandel in General Forum

1 Aug 1, 2012
Reply by Sean Lintow Sr

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Hal Skinner added a discussion to the group The RCC Classroom (Radiant Control Coatings)
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Improved acoustics

Some RCCs claim to improve acoustics .  Here are a few examples of ours.…See More
17 hours ago
Patrick Carter replied to Patrick Carter's discussion Minneapolis Blower Door & Test Equipment for Sale! in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"As of yesterday 09/19/2014, the equipment has been sold..."
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Hal Skinner replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Mornin Brett. 90 to 85, yes a slight variance there.  Same ASTM test, different scientists,…"
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Bret Curry replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Great information Hal. It appears the thermal emissivity in your test was .85 rather than .90. Are…"
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"Hi,There is a real problem with remote controls and LED lights. However, there is a solution in the…"
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