When you turn on your toaster, you know what happens to the electricity going through those filaments. You can feel it. The energy you extract from the electricity turns directly into heat. But what about the other electrical devices and…
Are you afraid of heat pumps? Some people are, and it's usually related to experiences or stories of uncomfortably cold homes. I won't deny that there have been some horror stories about people suffering in brutally low indoor temperatures during…
James Watt was a great scientist and engineer, known mainly for his work on the steam engine. Actually, that's not true. What he's really known for is confusing a great many people who deal with energy. But C. Wilhelm Siemens…
It's been a good year in the Energy Vanguard Blog. Counting this one, I've published 46 articles during the year. Of the previous 45 articles, I think the following might be ten most important ones. This is just my own…
I recently got a couple of questions from someone who's interested in changing out his air conditioner and furnace with a heat pump. With the Inflation Reduction Act and all the talk of electrification, the question is becoming more common. …
When you first start learning building science, you may run into this thing called exfiltration. It's not a widely used word, even among those of us who work in the world of building science. We learn about it and then…
With winter beginning soon and energy prices climbing, let's talk about energy efficiency. And I'm not talking about that standard crap about caulking the windows and weatherstripping the doors. (You may recall that I've advised people NOT to caulk the…
With all the incentives for heat pumps and the talk of electrification these days, you may be thinking of going with a heat pump. Heat pumps can work in both new and existing homes. But can you be comfortable with…
My house exhibits an interesting phenomenon on occasion. A lot of people who understand building science sometimes jump to the wrong conclusion when they see it. Hey, I did the same thing myself at first, too. The puzzle lies in…
Vented crawl spaces are often nasty, dirty buffer spaces that can flood your home with a variety of indoor air pollutants. A lot of it starts with moisture, of course. Water comes up from the ground beneath the crawl space,…