General Forum (744)

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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

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

5 Jul 16
Reply by Kohta Ueno

State fire marshal joins investigation of mansion blaze

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

Started by Richard Beyer

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

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

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

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

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

2 Jun 24
Reply by Hal Skinner

On the Question of Airtightness and Energy Performance

It is my understanding that you need an airtight envelope (let's say less than or equal to 0.6 ACH) along with super insulation (whatever R…

Started by Kaushal Bharath Raju

28 Jun 20
Reply by Brennan Less

Convert BTU/hr in a Manual J to actual fuel usages

I cannot find any conversion table that translates the BTU/hr heat loss in a Manual J report to the amount of fuel required to heat the bui…

Started by Dan Wise

13 Jun 19
Reply by eric anderson

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Home Energy Pros

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Energy Center University posted an event

Better Buildings: Better Business Conferences at Crowne Plaza Chicago O'Hare Hotel & Conference Center and Kalahari Resort and Convention Center

February 26, 2015 to March 13, 2015
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Good Energy Retrofit, Portland, Or. Hiring Home Performance Salesperson.

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Hall of Shame

In this group, members share an array of images from the field, showing the kinds of issues…See More
12 hours ago
tedkidd commented on Diane Chojnowski's group Hall of Shame
"Give this thread a bump - here's my "bad" album and some of the…"
13 hours ago
Eric Kjelshus commented on Adam Swain's blog post Top Worst Crawl Space Insulation Ideas
"6) Radiant barrier- under the gravel is just a barrier but with holes each square inch its not a…"
13 hours ago
tedkidd replied to Luis Hernandez's discussion Distribution Efficiency and heating safety factor in TREAT in the group TREAT Software
"It is very common to find equipment grossly oversized. I mean 1.5 - 2x Manual J and 2-3x the size…"
13 hours ago
tedkidd replied to Luis Hernandez's discussion Basic Heat loss information in the group TREAT Software
"Luis,  Click "selected reports, energy savings and use, design heating and cooling…"
13 hours ago

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