The Latest from the Energy Vanguard Blog

Ultraviolet (UV) lamp installed in air handler to kill microbes on cooling coil and drain pan  [Image from Fresh Aire UV]
Posted by Allison Bailes on April 23, 2020
I used to be a smart-ass who would say things I thought were clever but really were just annoying.  When I learned the basics of quantum physics, for example, I had a clever/annoying answer for anyone who asked me, What's new?  E over h, I'd respond.  Hahaha!  Then we'd both laugh our heads off. ...
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Posted by Allison Bailes on April 13, 2020
Have you ever lived in a home where you just couldn’t feel warm even though you had the heat cranked way up?  How about one where you have to turn up the volume on the TV when the air conditioner or heater comes on?  Or a home with a musty smelling basement? The myths we live by These and more are...
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Using a high-MERV filter doesn't have to result in a large pressure drop
Posted by Allison Bailes on April 10, 2020
Yesterday I gathered with a few of my friends and colleagues from the building performance community for a virtual happy hour.  During our chat, Steve Byers of Energy Logic posed the question:  Compared to BC (before coronavirus), how will you be different once the stay-at-home orders are lifted,...
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Droplets from a sneeze can travel 18 feet across a room
Posted by Allison Bailes on April 8, 2020
Back in 2018 I wrote a series of articles on indoor air quality and filtration.  One of those articles, The Unintended Consequences of High-MERV Filters, has seen a flurry of activity in the comments over the past three weeks.  It all started when a reader named Pat wrote: I have a question about...
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Tesla-Wireless-Power-1891.png
Posted by Allison Bailes on April 1, 2020
Yes, it's April Fools' Day again.  With all that's happening in the world because of the coronavirus, it may have slipped your mind.  It didn't slip mine, but I'm not putting out a new April Fools' Day article this year.  The COVID-19 situation we find ourselves in this year is grim.  I won't go...
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Cancer cells  [by Yale Rosen, from flickr. com]
Posted by Allison Bailes on March 23, 2020
Cancer treatment during the coronavirus pandemic is something I’ve been thinking about for a couple of weeks now.  Then on Friday, Vox published an article on that very topic:  The dilemmas facing cancer doctors and patients in the coronavirus pandemic.  I encourage you to read it. Cancer patients...
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An image from the first U.S. case of COVID-19, formerly known as 2019-nCoV.   [Image from the CDC]
Posted by Allison Bailes on March 19, 2020
Well, there's nothing like a little pandemic to completely upend our daily lives as well as our short and long-term outlooks for the future.  I've spent far too much time reading about, listening to, and watching news about the novel coronavirus lately and I guess you may have done likewise.  Here'...
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Frost formed on the part of my car that was under the open sky but not the part under the roof
Posted by Allison Bailes on February 24, 2020
On Saturday morning as I was heading out for a run at the Chattahoochee River, I found my car in the condition you see in the photo above.  Let's ignore the reason I was parked half in and half out of the garage and focus on the frost instead.  As you can see, the frost appeared only on the back...
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Follow these tips for quieter ducts, better air delivery, and happier homeowners
Posted by Allison Bailes on February 11, 2020
If a 12 step program is good for helping people deal with addictive behaviors, then a 17 step program ought to be better, right?  Or maybe it's just a random number that fits the number of tips that popped into my head as I planned this article.  In either case, I've written a lot about ducts in...
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What is the perfect weather for a dehumidifier?
Posted by Allison Bailes on January 17, 2020
That dehumidifier you see in the photo above is in the Energy Vanguard office here in Decatur, Georgia.  The compressor doesn't come on often, but this past week I've heard it running quite a bit.  Depending on where you're from, you may be thinking, "Yeah, it's always humid in the South.  I don't...
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