Danny Orlando, a manager in the ENERGY STAR program at the US EPA, walks the talk. He's been steadily improving the energy efficiency of his home over the past couple of decades and also monitoring his energy use data. The…
I'm writing this on St. Patrick's Day so let me tell you a wee bit about the O'Mearas. Kevin and Svetlana O'Meara live in a beautiful home in Utah that's oh-so-close to being a net zero energy home. After I…
When I was doing research for my recent article on ceiling fans, I noticed that they don't have energy efficiency ratings; they have efficacy ratings. There's certainly confusion in terminology among different sources, but since light bulbs are also described…
They say you can't fix stupid. They're wrong. When it comes to ice dams, we know how to fix what is the most common cause.† If you know a little building science, you can look at the photo below and…
Last week, Joe Lstiburek gave the fifth annual twitterview† from his crawl space. (When he gets back from sailing this week, Peter Troast of Energy Circle has promised to publish the transcript.) One of the pearls of wisdom dispensed by…
When does saving one of anything ever result in actually saving three or four? When we're talking about electricity, of course. The reason is simple: Most of our electricity comes from the burning of fuels like coal and natural gas.…
Do you really need to go to college? If your heart's not in it, you can't find a field of study that excites you, and your college degree doesn't help your job prospects, the answer may be no. But what…
I like to talk about the big picture of energy occasionally here. I also love data! Today, I'm not going to do a whole lot of talking at all. I mainly want to show you what I consider to be…
Most of us here in the US just lost an hour this weekend because of Daylight Savings Time. This annual clock-advancing used to happen late in April but has been extended a couple of times in the past few decades.…
Hey, Californians, look out. You're not number 1 anymore. Nope. You're number 2 now. In their annual assessment of how the states are doing with energy efficiency, the American Council for an Energy Efficient Economy (ACEEE) has pronounced Massachusetts the…