The Latest from the Energy Vanguard Blog

Improper window flashing with house wrap
Posted by Allison Bailes on May 9, 2017
After taking classes for the past 15 years, my sister graduated from college last week. While I was in Lakeland, Florida for her graduation, I took the photo above. It's a hotel under construction. I took this picture because I was surprised to see curtains in the windows at this stage of...
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window-flashing-moisture-management-house-wrap.jpg
Posted by Allison Bailes on March 30, 2016
I'm seeing more and more projects with house wrap where the installers do the window details properly. Or at least better. The photo below shows the house wrap lapping over the flashing tape at the top of the window. Often it's the reverse. And the house wrap in those cases is not only beneath the...
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window-heat-loss-existing-home.jpg
Posted by Allison Bailes on January 22, 2016
This will be a quick article. I just want to show you four images to make a point about heat loss at windows. (I say "at" windows because we all know that windows themselves allow more heat through than the surrounding walls. Here in Atlanta, for example, builders have to insulate walls to R-13 but...
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skylight-solar-heat-gain-air-conditioning-load.jpg
Posted by Allison Bailes on January 13, 2016
Everyone loves skylights. Right? They bring so much light into a room they can turn a Seattle kitchen into a bright and sunny Florida room. Especially this time of year (in the Northern Hemisphere), having that extra light brighten even the darkest days of winter. But skylights have a dark side,...
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Don't Get Caulky!
Posted by Allison Bailes on October 13, 2015
Caulk your windows. Weatherstrip your doors. It's that time of year again. No, I don't mean the time of year when you should do those things. I mean it's the time of year when all the news stories that include this ineffective advice start appearing. There's a lot of bad advice included in those...
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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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near net zero energy home utah 2
Posted by Allison Bailes on March 18, 2015
I'm writing this on St. Patrick's Day so let me tell you a wee bit about the O'Mearas. Kevin and Svetlana O'Meara live in a beautiful home in Utah that's oh-so-close to being a net zero energy home. After I wrote about how home building is like skiing two years ago, Kevin invited me out to see...
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house wrap flashing details moisture management problem
Posted by Allison Bailes on February 2, 2015
I don't think I can ever say it enough, but the building enclosure consists of several control layers and each one has its job. The primary control layer is the one that keeps liquid water out, and it can be a tricky business. Take the case of this condo building (yes, it's in the community where I...
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siding before window flashing kristof irwin
Posted by Allison Bailes on November 14, 2014
I see a lot of interesting stuff at construction sites and in people's homes. I also see stuff I never got to see because people send me photos. I like photos! Remember that ice chest someone had incorporated into a duct system? That was sent to me. So are the first two photos below.
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clark howard diy ways save energy bill
Posted by Allison Bailes on August 18, 2014
Clark Howard is the penny pincher's guru. My wife loves his radio show and website for all the money-saving tips he provides. Naturally, anyone trying to help people save money at home has to address energy use, and Howard does, too. Unlike some others, though, he's generally well educated on the...
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