Building Science Summer Camp, officially known as the Westford Symposium on Building Science, took place this week. I'll write more about it next week, but to give you a flavor of it, here are a few photos from the 2018…
Last year I wrote five articles in a series on duct design and ever since, I keep getting requests to continue it. Well, those of you looking for more in this area, you're getting your wish. I've listed and linked…
Nope. Today is not the first of April. Nor is this one of those special April Fools' Day articles I write at random times. This one's real. A white noise generator has now been used in at least one home…
I've been on a bit of a mission for the past several years. My goal is to get more people thinking about humidity in terms of dew point rather than relative humidity. Why? Because relative humidity is misleading. That whole…
I found out last month that the Air Conditioning Contractors of America (ACCA) is working on a new design manual. You probably know of some of their other manuals: Manual J, Manual S, Manual D...maybe even Manual T. They have…
Here we are in the middle of air conditioning season. So why don't we chop down some myths and misconceptions about ceiling fans. What got me on to this topic was a video of a fan with blades that hide…
Sometimes people are bothered by how things look. They don't want a return grille showing in that location or they'd rather have the supply registers low on the wall or they just can't stomach the thought of a wall-mounted ductless…
It's been a while since I've written about what I had been calling "The Great Ventilation Debate" back when Joe Lstiburek was battling the ASHRAE 62.2 residential ventilation committee. The 62.2 committee meets in person twice a year at the…
I've been going to the meetings of the ASHRAE residential ventilation committee (SSPC 62.2, to be specific) for the past few years. As a matter of fact, I'm writing this article from my room in Houston, the site of the…
It's getting hot out there. Here in the Southeast, we love our air conditioning. In fact, without air conditioning, far fewer people would live in places like Houston, Hattiesburg, and Sopchoppy. And that's true for the hot, dry places, too,…