The Meaning of Rejected Energy
I love the US energy flow charts published by the Lawrence Livermore National Lab each year. The chart for 2021 came out in April, and you can see it in its full glory above. (Right click to download the full…
big picture
The Big Picture of Indoor Air Quality – Excerpt
The quote below is a classic from the 1893 book, Ventilation and Heating, by John Shaw Billings. The imagery of wearing someone else's dirty underwear may shock you, but Billings makes a compelling point. We essentially do something worse whenever…
Book Ventilation Chapter first two pages
The first two pages of the ventilation chapter in the galley copy of A House Needs to Breathe...Or Does It? by Allison A. Bailes III, PhD. This is not the final version of these pages. The book will be available…
Get Ready for the 2022 National Home Performance Conference!
One of my absolute favorite conferences is coming up soon. The Building Performance Association* is holding its annual National Home Performance Conference next month in Nashville, Tennessee. When I was new in the world of building science and home performance,…
The Top Articles in the Energy Vanguard Blog in 2021
It's the last day of the year, so let's wrap it up with some lists. Whether you missed some of the articles I wrote this year or are just curious about what other people were reading here, I've got three…
The 2021 Energy Vanguard Wrap-up
Here we are at the end of another year. It's been a weird one! I certainly won't go into all the weirdness of 2021, but let me give you the Energy Vanguard wrap-up, divided into five categories. Four of them…
How’s the New Home Electrification Movement Going?
On the new home electrification front, the Home Innovation Research Labs released some interesting data this month. You may have noticed that going all-electric with buildings and transportation has become a thing in the past few years. Climate change is…
How to Spot Deceptive Heating Efficiency Claims
Sometimes companies that make products stretch the truth, embellish features, or rely on their potential customers' ignorance of how things work. Shocking, I know. The world of electric heating has such companies. But if you're looking for a device that…
![Cancer Cells [by Yale Rosen, From Flickr. Com]](https://www.energyvanguard.com/wp-content/uploads/2020/03/cancer-cells-yale-rosen-flickr.jpg)
Cancer and Coronavirus
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. …
![An Image From The First U.S. Case Of COVID-19, Formerly Known As 2019-nCoV. [Image From The CDC]](https://www.energyvanguard.com/wp-content/uploads/2020/03/coronavirus-banner-cdc.jpg)
A Coronavirus Roundup From Energy Vanguard
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…