The Latest from the Energy Vanguard Blog

Georgia state energy code and the 2009 IECC
Posted by Allison Bailes on July 30, 2010
Yesterday I went to the Georgia Department of Community Affairs (DCA) for a meeting of the State Codes Advisory Committee (SCAC). Wait, wait, don't leave yet! I promise there's good stuff in here. 
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HVAC filter, very dirty
Posted by Allison Bailes on July 16, 2010
Every once in a while I like to post some of my favorite pictures of atrocities I've seen in houses, for example the duct stump in the Little Shop of Duct Design Horrors. Today, the subject is HVAC filters, specifically the large pleated filters that can be a great addition to an HVAC system. As...
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Duct sealing with mastic will be covered by the Home Star Program.
Posted by Allison Bailes on June 21, 2010
Home Star, the program working its way through Congress, will be a boon to homeowners and will give a big boost to the home energy efficiency industry. Called variously the Home Star Energy Retrofit Act, Home Star Retrofit Rebate Program, Home Star Rebate Program, or Cash for Caulkers, it has...
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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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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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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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disconnected hard pipe duct
Posted by Allison Bailes on April 2, 2010
It's Friday afternoon and time for some fun, so let's take a look at the four types of duct leakage.
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Heating consumption graph for home improvements financed with an energy efficient mortgage
Posted by Allison Bailes on March 30, 2010
As a HERS (Home Energy Rating System) Provider, I check the home energy ratings that my raters do. Recently one of the EVER raters, Jason Payne of Structured Energies, completed a rating project for a homeowner who was financing home energy efficiency improvements with an Energy Efficient Mortgage...
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