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Solar Heat Air

Does anyone has and quantifiable data for a solar heat air system?  It seems the state of Minnesota has been investing into this technology…

Started by Luis Hernandez in General Forum

11 Jul 17
Reply by Bradley Wiesneth

Condenser placement effect on efficiency

Does locating an AC condenser out of the sun (east vs. west side of house) make significant difference in real world efficiency? Does anybo…

Started by Bob Blanchette in General Forum

3 Jul 17
Reply by Bob Blanchette

Flow Grid suggestions?

Hi All, I am trying to figure out a good flow grid system to use for testing airflow in 2 to 5 ton forced air systems. Any favorites? Or, i…

Started by George Matthews in General Forum

5 Jul 16
Reply by Kohta Ueno

Media Reports Spray Polyurethane Foam Insulation spontaneously combusted a $5M Connecticut Home

Below are the links relating to this issue... http://www.rescue9photography.com/Fires-2014/Middlebury-structure-fire-7-3/   http://wtnh.com

Started by Richard Beyer in Best Practices

6 Jul 12
Reply by Richard Beyer

State fire marshal joins investigation of mansion blaze

http://www.rep-am.com/news/local/doc53c0ac46d5638579408415.txt

Started by Richard Beyer in General Forum

1 Jul 12
Reply by Richard Beyer

Cold climate wall

I have heard Joe Lstriburek twice say that a wall in this climate (Albany NY, almost 6,000 DD) should have 1/3 of the R-value on the outsid…

Started by Ed Minch in General Forum

2 Jul 11
Reply by Don Hynek

So many homes have poorly installed fiberglass insulation. Have you been successful with a retrofit dense pack cellulose?

Doing testing of existing homes it is typical to see mottled patterns of surface temperatures with the FLIR Infrared Thermal Imager during…

Started by TJ Alexander in General Forum

5 Jul 5
Reply by James P. Weingardt

Heat Loss Calculation

I want to discuss about the heat loss calculation that why we need to calculate heat loss? According to me - The heat loss calculation is…

Started by Anie in General Forum

0 Jul 2

Energy Center and WBA team up to offer WI B4 conference in March 2015

For more than a decade, the Energy Center of Wisconsin and the Wisconsin Builders Association have designed and delivered premier conferenc…

Started by Energy Center University in General Forum

0 Jun 26

Concrete floor insulation details

Greetings everyone!     I was hoping I could get some feedback with a building I am working on. The existing concrete was a 3 inch "homeow…

Started by Luis Hernandez in General Forum

2 Jun 24
Reply by Hal Skinner

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Home Energy Pros

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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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Hal Skinner replied to Hal Skinner's discussion An example of what an RCC can do with no R- insulation in the walls.
"Bret,  here are the 2 reports I referred…"
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