The Latest from the Energy Vanguard Blog

incandescent and compace fluorescent (CFL) light bulbs
Posted by Allison Bailes on September 10, 2010
Have you heard? Incandescent light bulbs will be phased out, beginning in 2012. This was part of the Energy Independence and Security Act of 2007, signed into law by former President Bush. The ban targets general purpose light bulbs that produce 310–2600 lumens of light output. The first to go will...
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economic growth peak oil steady state economy
Posted by Allison Bailes on September 7, 2010
2005 was an important year for me. Not only was I learning how to do Manual J load calculations, crawl space encapsulation, and home performance contracting, but I also drank peak oil kool-aid by the bucketful. I read everything I could find on the subject, started writing and speaking about it,...
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heat pump efficiency ratings - SEER & HSPF
Posted by Allison Bailes on August 23, 2010
If you're in the market for a new heating & cooling system and you're looking at heat pumps, make sure you understand how they're rated for efficiency - and which rating is more important for you.
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Without science, building science is just building.
Posted by Allison Bailes on August 11, 2010
This week I read and commented on Avoiding the Global Warming Impact of Insulation by Alex Wilson" target="_blank">Avoiding the Global Warming Impact of Insulation by Alex Wilson over at Green Building Advisor. I'd avoided the article for a while since climate change isn't what motivates me to...
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Peak oil hero Matt Simmons
Posted by Allison Bailes on August 10, 2010
Matt Simmons died this week. It's a huge loss for the peak oil community, as he had great knowledge and understanding of the big picture of global oil production, especially in Saudi Arabia.
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Crawl space moisture problems too much for this dehumidifier
Posted by Allison Bailes on July 21, 2010
I was in a crawl space in Atlanta yesterday putting a new HERS rater through his field test and found that this home has a dehumidifier down below. Not surprisingly, it ran continuously the whole time I was there. If they were to pull the plug on that dehumidifier, I'm sure they'd see no difference...
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power factor correction device scam
Posted by Allison Bailes on July 14, 2010
Today we're running a guest post by Chris Kaiser of I met Chris recently because we're both blogging from the great city of Atlanta, and our blogs complement each other well. Here at Energy Vanguard, we focus mainly on building science and energy auditing/rating. Mapawatt concentrates...
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ceiling fan, air leakage, comfort, energy conservation
Posted by Allison Bailes on June 25, 2010
Here's another item for the myths of energy conservation category: In most homes, ceiling fans do NOT save energy. It's not that they can't save energy; it's just that most people don't understand how to use them to do so, and the potential savings are pretty small.
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Louisiana bayou country
Posted by Allison Bailes on June 9, 2010
I was born and raised in the oil patch, getting my start in Houston and then moving to south Louisiana when I was 10 years old. Spending as much time as possible fishing, hunting, trawling, and hanging out in the marsh and on the water was the best part of my life in south Louisiana. I paddled...
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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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