2011 was a good year for Energy Vanguard. Our workload increased to the point where we needed more help, and at the start of the new year, we just brought in two new employees. 2011 was a good year for…
In addition to getting out and enjoying some sunny January weather, I did a little reading this weekend. The American Council for an Energy Efficient Economy (ACEEE) just released a new report, The Long-Term Energy Efficiency Potential: What the Evidence Suggests,…
Energy Vanguard, a small company with a big presence, is looking for someone to help with our HVAC design work. The position will be for an intern or entry-level employee who is interested in high performance buildings, energy efficiency, and…
Ken Fonorow is a friend of mine whom I've known since my days on the Gainesville Energy Advisory Committee when I was in grad school in the mid-'90s. He's also helped build the market for ENERGY STAR and high performance…
Allison Bailes has covered the topic of air conditioner sizing frequently in his blog posts and will be presenting a mini-workshop on the topic in the Dallas/Fort Worth area next month. Building Savvy magazine is sponsoring the presentation, which will…
One of the most frustrating parts of my job as a Home Energy Rating (HERS) provider is dealing with the size of air conditioners installed in ENERGY STAR homes. My frustration has spilled over here in the Energy Vanguard blog…
You'd think with all the articles I've written about bad duct installations that it'd be hard to find more to write about here. After all, I've told you about stumpy (photo left) and panned joist return ducts and what may…
When I was up in North Carolina this past summer, I went to a restaurant that had the duct you see in the photo here. You may not be aware, but this duct design has a fatal flaw. Well, it's…
Here's a house we designed for a builder in the historic Grant Park neighborhood in Atlanta, which should be completed by January 1, 2012. The home is 2-stories, has 4-bedrooms and 3-and-a-half baths, and is just under 2,200 square feet. The builder decided…
Ah, so what exactly is this hidden flaw? "My HVAC guy put a zoned system in my house and told me it was the cat's pajamas," you may be thinking about now. Or maybe your HVAC installer described it as…