The Latest from the Energy Vanguard Blog

atmospheric combustion water heater
Posted by Allison Bailes on May 26, 2010
Have you heard that one before, that you shouldn't seal up your house too tightly because a house needs to breathe? It's a common myth, but that's all it is - a myth. Houses do NOT need to breathe. People do.
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eem annual costs before energy improvements
Posted by Allison Bailes on May 25, 2010
At the end of last month, I wrote about the house my friend Perry is buying with an EEM (Energy Efficient Mortgage). This is just a quick update about the project. The home energy rater finished up the rating, and, as I expected, the house is really bad. The HERS Index is 192. That means it's 92%...
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hvac duct leakage stumpy amputee energy vanguard
Posted by Allison Bailes on May 21, 2010
And now for a little Friday fun, here's one of my favorite duct design failures. I call it Stumpy.
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home energy efficiency - site energy per household 1980-2005
Posted by Allison Bailes on May 19, 2010
I recall a lot of talk in the early ‘90s about the ‘peace dividend’ and how we’d spend it. This new term entered our lexicon because of the fall of the Soviet Union and the supposed billions of dollars that would be freed up for better uses than the Cold War. It turns out that we never really saw...
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Duct leakage can trump right-sizing in HVAC design.
Posted by Allison Bailes on May 18, 2010
I know, I know. If you've had a HERS rater class or any education in residential building science, the alarms are going off in your head right now - WAANNNHHHHH WAANNNHHHHH WAANNNHHHHH! Please, let me explain.
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Student in a HERS rater training class during an interminable  Powerpoint presentation.
Posted by Allison Bailes on May 15, 2010
What images come to mind for you when I say 'home energy rater class'? The word class (or classroom), as used here, usually evokes images of desks in neat rows, with students attentively looking at the teacher standing in the front of the room. It's also the kind of education most of us grew up...
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Posted by Allison Bailes on May 8, 2010
I love TED talks! Today I discovered this one, thanks to Gary Smith of Energy Rated Homes of Mississippi.
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What do pirates have to do with home energy audits?
Posted by Allison Bailes on May 4, 2010
Yesterday I bought a Flip Video UltraHD camcorder, so you'll be seeing some videos appear on the Energy Vanguard website soon. As a matter of fact, I'm heading out to Carrollton this morning to tape Jason Payne of Structured Energies doing a home energy rating for my friend Perry, who's buying a...
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The home energy videos on these sites will educate you on building science.
Posted by Allison Bailes on May 2, 2010
[7/30/10 See my update on the adoption of the new energy code.]
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EEM   perfect candidate
Posted by Allison Bailes on April 29, 2010
Today I visited my friend Perry, who's buying a hundred year old house and wanted some advice on what he could do to improve it. My first thought, of course, was that he should buy the house with an EEM (Energy Efficient Mortgage). That will allow him to roll the costs of the improvements into the...
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