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The room is dead silent. You stare down at the paper on your desk, ransacking your brain for any hint of the answer to this test question that has you stumped. Your desperation mounts as you know the teacher is about to call for your test to be turned in. Why can't I figure this out, you think. But...
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Yesterday was Energy Efficiency Day. I saw a lot tweets on the topic, and the photo above, showing the movie poster for The Insulated Man, was in one of them. That, of course, got me thinking about other classic works of literature related to energy and building science. For example, have you read...
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Here in the southeastern US, we have a lot of crawl spaces. Most are vented. Even most new ones are vented. It's not because it's the best way to keep them dry. That's certainly not true. We have enough research on crawl spaces to know better. No, they're vented because foundation vents got into...
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I was on a tour of passive house projects in Seattle a couple of days ago when someone asked me, "What do you call the outdoor part of a heat pump? The condenser? The compressor?" For someone not immersed in the field of HVAC (heating, ventilating, and air conditioning), that can be confusing. So...
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What if a builder refused to build from plans drawn by an architect? What if a tile installer refused to implement designs handed to them and instead did their own thing? What if an HVAC contractor told a potential client they wouldn't install a system designed by a third party to ACCA protocols?...
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It's cooled off a bit here in Atlanta. A couple of weeks ago we even had temperatures down in the low 50s Fahrenheit. Ah, that felt nice, especially since I've been running again this year.1 With the fall equinox two days away, we should start seeing more of those nice cool days. We're back up...
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Last week I taught a class called What the Duct!? at the Builders' Boot Camp in Virginia. Paul Francisco was one of the other instructors (teaching about indoor air quality), and on the last evening at dinner, our conversation turned to building science. (Imagine that!) I don't recall exactly how...
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I've got the curse, you know. I can't walk into a building and not check out what's going on with ductwork, windows, and anything else that lets me apply what I know about building science. Yesterday, I went to lunch at a trendy restaurant near Emory University and of course looked up at the...
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When you approach the subject of building science, especially as it regards heat, air, and moisture flows through the building enclosure, it's easy to get confused. There's a lot to learn: blower door testing, insulation grading, R-value, permeance, radiant barriers, combustion safety, solar heat...
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Now that Summer Camp is over, I'm excited about Boot Camp. That would be the Builders' Boot Camp that Community Housing Partners (CHP) puts on each year. It's being held on 30-31 August. I haven't been part of it before, but this year I'm teaching a half-day class four times over the two day affair...
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