The Latest from the Energy Vanguard Blog

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Posted by Allison Bailes on May 9, 2016
Matt Risinger is a home builder in Austin. He builds great houses and is also famous for his videos. He has over 26 thousand subscribers on his Youtube channel. I was in Austin last week for the inaugural Humid Climate Conference and had some extra time on Saturday morning. So I got a tour of a few...
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Posted by Allison Bailes on February 24, 2016
When Stephen Morrison of MoreSun Custom Woodworking sent me the photo below, my reaction was, Wow! Just wow! This duct retrofit is absolutely stunning. It's an elegant display of creativity unhindered by knowledge. Can you see what they've done?
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air conditioner ducts outdoors
Posted by Allison Bailes on February 3, 2016
I love me some good bad photos. You know, good photos of bad stuff. If you've been here a while, you've seen some of the doozies I've posted in the Energy Vanguard Blog. Take Stumpy, the duct amputee or Release the Kraken or the ice chest in the duct system or any of a number of building enclosure...
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Posted by Allison Bailes on February 1, 2016
I know it's not air conditioning season, but this story is too good to wait until summer rolls around. My friends at E3 Innovate in Nashville — you may remember them for finding the home ventilated with dead possum odors — have done it again. This time they've discovered a crawl space with an...
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garage-ventilation-indoor-air-quality.jpg
Posted by Allison Bailes on January 15, 2016
If you have an attached garage where you live, the odds are high that your indoor air quality is worse than a home without an attached garage. Just take a look at the photo below to see some of the sources of pollutants that can get into your home's air. How many do you see?
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Posted by Allison Bailes on October 27, 2015
Boilers for heating homes are common in some areas. Not here in Georgia, where I live, but my friends in the colder climates have them. This type of heating equipment takes a fuel like natural gas or fuel oil, burns it to create heat, and then puts that heat into water circulating through the...
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hvac-duct-flex-poorly-supported-reduced-airflow-energy-vanguard
Posted by Allison Bailes on September 16, 2015
Sagging flex duct is bad for air flow. We all know it. We all talk about it. It turns out there's research data to prove it, too. Texas A&M did a study a few years ago to look at the pressure drop that occurs for different levels of compression. If you're not familiar with this study, the...
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hot-dark-roof-infrared-image
Posted by Allison Bailes on August 26, 2015
The most contentious issue I’ve written about since I started blogging isn’t bad Manual Js. Nor is it endorsing government intervention by raising efficiency standards or improving energy codes. Incredibly, it’s not even whether or not naked people need building science. Nope. The topic that really...
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blown cellulose insulation grade 1
Posted by Allison Bailes on August 24, 2015
My friends up in Maine came up with the concept of the Pretty Good House a few years ago, and I love the idea! Not everyone can or wants to build a LEED Platinum, Living Building Challenge, Passive House. But a lot of architects, builders, and homebuyers would like to design, build, and live in...
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