This weekend I bought my ticket to Denver for the Passive House conference at the end of September. The program has intrigued me since I first found out about it in 2007, but I haven't gotten involved with it yet.…
Rod had a major duct failure going on in his crawl space. It was summertime when I visited and took the photos you see in this article, and the ducts had four serious problems that robbed his air conditioner of…
Last month, the Today Show ran a little sting to see if HVAC contractors would do the right thing when brought to a home to diagnose an air conditioner problem that they'd set up. As it turned out, 6 out…
OK, so 2 years ago I wrote that I didn't need no stinkin' Building Science Summer Camp. I lied. Summer Camp doesn't stink at all. In fact, it's a really nice event where I learned a lot and got to…
One talk at the 2012 Building Science Summer Camp stood out above all the others. The last speaker on Tuesday was Henry Gifford. (Yes, that Henry Gifford!) When he was done, the majority of the audience stood and applauded. The…
The 2012 Building Science Summer Camp began last night as people from around the US and Canada arrived in Westford Massachusetts for what is officially called the Westford Symposium on Building Science. I got in at about 7 pm and…
Remember those old metal playground slides? You don't see them all that much anymore, but recently I found one. It was in the quaint little Southern town of Rutledge, Georgia, near the Hard Labor Creek Blueberry Farm where I'd been…
We went through a record-setting heat wave recently in the US. Here in Atlanta, we set an all-time record of 106° F. Homes with properly-sized air conditioners—yeah, yeah, I know they're few and far between—are sized for our design temperature…
I started writing the Energy Vanguard Blog in March 2010 and have published more than 350 articles since then. I love doing it. In fact, I probably love doing it a bit too much. Early on I often published 4…
Heating, ventilating, and air conditioning (HVAC) systems have undergone great development since our cavemen ancestors huddled around the fire in winter and fanned themselves with palmetto leaves in summer. The rapid development of efficiency and performance experienced by other industries,…