Energy Vanguard

What a deal! Less than $30 for a daylong workshop with Dr. Bailes in New Paltz, New York. Sign up now.

If you're anywhere near the on July 27th... you don't want to miss this Building Science event at SUNY New Paltz!

I'm so excited to host a full-day building science with the one and only Allison A. Bailes III, PhD Energy Vanguard!!! Come on, , let's on some with Allison. A fun time will be had by all. Register on Eventbrite. https://www.eventbrite.com/e/667174335397

A HUGE thank you to my sponsors, Communities for Local Power , Phius Alliance New York, NYSERDA, and HWS - HVAC, Plumbing, and Electric for helping make this happen.

Building Performance Institute, Inc. (BPI) CE credits available. The American Institute of Architects (AIA) CE credits pending.

The book by Dr. Allison Bailes—A House Needs to Breathe...Or Does It?—is about three weeks away from being delivered. You can find out more about it and pre-order a copy by clicking the link below.

Energy Vanguard Store Buy Dr. Bailes's book, "A House Needs to Breathe...Or Does It?"

We don't post on Facebook anymore, but you can keep up with what's going on at Energy Vanguard by subscribing to our weekly newsletter. Click below to get on the list and find out why one reader said "Your blog is off the chain!"

The Energy Vanguard Blog Is Off the Chain - Energy Vanguard Looking for a reason to subscribe to Energy Vanguard's weekly newsletter, News From the Front? Here's what others have said over the years: "Your blog is off t

We will stop posting on this page by the end of this month (Dec. 2021). Please follow us on LinkedIn or Twitter for interesting building science posts. Even better, please subscribe to our weekly newsletter. Click the link below to enter your email and, if you're not already convinced, find out why you should.

The Energy Vanguard Blog Is Off the Chain - Energy Vanguard Looking for a reason to subscribe to Energy Vanguard's weekly newsletter, News From the Front? Here's what others have said over the years: "Your blog is off t

Yesterday I took a look at a home under construction. I have good news and bad news.

Building Enclosures Have Improved More Than Ducts - Energy Vanguard Building enclosures have improved significantly because of stricter building codes. HVAC systems are only a little better.

Ever seen a duct fail in a harsh environment? This is what can happen in an unconditioned attic that critters can get into.

A review of Lloyd Alter's new book.

Lloyd Alter Is Living the 1.5 Degree Lifestyle - Energy Vanguard Living the 1.5 Degree Lifestyle, a new book by Lloyd Alter, explores what it takes to keep your CO2 emissions within the 2030 carbon budget.

I wrote this article 10 years ago, and it's a mystery to me why it gets so much traffic. It's the 16th most popular page on the Energy Vanguard website and has gotten 23 thousand views this year.

Are You a Building Science Geek, Nerd, Dork, or Dweeb? - Energy Vanguard I hear a lot of people call themselves building science geeks, energy nerds, home performance dorks, HVAC dweebs, weatherization wonks, and policy poindexters. (It’s true! Some of them are imaginary people in my mind and some are aliens, but they…

Old houses have such interesting problems! But even new homes can suffer from these building enclosure flaws.

Cold Interior Walls, Useless Insulation, and Building Science - Energy Vanguard It seems so simple. There’s outside, and there’s inside. The walls, ceilings, and floors that separate the cold outside from the warm inside should be the only surfaces that rob heat from your home. Interior walls have conditioned space on…

Last week's News From the Front, number 100, was the most popular one published to date. Subscribe and get notified every Tuesday morning so you don't miss any more.

News From the Front No. 100 It’s that time of year again.  The cold weather has begun here in the Northern Hemisphere, and people are talking about raising the humidity of the indoor air.  I’m certainly no fan of bone-dry air, having experienced too much of it when I lived in an old house in Philadelphia.  But I also kn...