The Latest from the Energy Vanguard Blog

There's a very good reason to build, buy, or convert to an all-electric home
Posted by Allison Bailes on October 2, 2019
Maybe you've heard the rumblings coming out of the environmental and building science crowd.  Maybe not.  But it's getting louder lately.  The rumbling I'm alluding to is the move to switch from natural gas to electricity as the energy carrier of choice for buildings.  There are many reasons for...
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3 main sources of home heating
Posted by Allison Bailes on January 28, 2019
It's wintertime in the Northern hemisphere and that means we're heating our homes.  The new year started off a bit on the warm side, with the temperature at nearly 70° F (21° C) here in the Atlanta area.  In terms of heating degree days (HDD), we've gone from about 12 HDD/day at the beginning of...
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A sparkly fire to ring in the new year of 2019
Posted by Allison Bailes on January 3, 2019
Welcome to another January, this time in the year 2019.  The month, of course, is named after the Roman god Janus, who has two faces, one looking backward, one forward.  Because, you know, to really know where you're going, you have to understand where you've been.  2019 may be a brand new year,...
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Willis Carrier, inventor of the modern air conditioner
Posted by Allison Bailes on November 26, 2018
Happy birthday to Willis Carrier!  He invented modern air conditioning and changed the world.  In his quest for a device to control humidity in the Sackett-Wilhelms Lithographing & Publishing Company in Brooklyn, New York, he invented a device that changed migration patterns in the United...
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A certified Passive House in Seattle, Washington
Posted by Allison Bailes on January 2, 2018
Well, another year has come and gone. Out with the old, in with the new, and all that. A time for introspection and resolutions. Taking stock of where we are and plotting a course for where we want to be. All because of a somewhat arbitrary turning of the calendar from one year to the next. A...
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Stop Plate Tectonics, one of my favorite T-shirts
Posted by Allison Bailes on June 2, 2017
So the United States has announced it's withdrawing from the Paris Accord, the international agreement with nonbinding measures to mitigate the effects of climate change. Now everyone's up in arms, speaking in exasperated tones about the travesty of this decision. "But...but...the science," they...
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Lots of snow out West but warmer than usual temperatures in winter 2016-17
Posted by Allison Bailes on May 8, 2017
We've had some beautiful, cool weather here in Atlanta the past couple of days. It's about 50° F outdoors as I write this. The high yesterday was only about 70° F. We're getting a few more heating degree days (HDD) in the middle of May. (Heating degree days are really just another way at looking at...
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loaa 2 insulation blown cellulose complete coverage energy vanguard
Posted by Allison Bailes on December 6, 2016
Everyone knows about the impact of burning fossil fuels on global warming. Maybe not everyone believes it, but scientists first started focusing attention on increasing carbon dioxide levels way back in 1827. The impact of insulation on global warming, however, is relatively new. About a decade ago...
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Insulation and Global Warming
Posted by Allison Bailes on November 21, 2016
At the North American Passive House Conference in Philadelphia in September, I gave a presentation on the global warming impact of insulation, an issue I've been discussing off and on since Alex Wilson wrote his paper on the topic back in 2010. In my presentation, I covered two different aspects of...
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Stephen Hawking
Posted by Allison Bailes on November 18, 2016
There's big news this week. No, I'm not talking about the delayed opening of ski resorts out West because of the lack of snow. And, believe it or not, it has nothing at all to do with Donald Trump. I'm talking about Stephen Hawking's prediction that we humans have only a thousand years left here on...
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