Imagine a sunny spring day. You're feeling warm from the sun as you walk down the street. Then you go into a big concrete parking deck. Suddenly, you feel a chill. That's radiant cooling. (And it was radiant heating from…
Bath fans are a big topic in building science. How do you get good air flow through them? Should you insulate the duct? Is it OK to use an ERV extract vent instead? Can they work as part of a…
![Demystifying Dehumidification Requires Looking At A Lot Of Different Factors [Courtesy Of Santa Fe Indoor Air Quality Solutions]](https://www.energyvanguard.com/wp-content/uploads/2025/09/ventilating-dehumidifier-jigsaw-puzzle-1000.jpg)
Does it seem like your house is more humid than you remember it (or other houses) being in the past? If so, you may be right. It turns out that a lot of factors contribute to how much dehumidification you…
Those of us in humid climates know the importance of having good dehumidification along with good cooling for comfort. Dehumidifiers, however, blow hot air into the living space. So what happens when you add a dehumidifier? A lot of people…
Bringing an attic within the building enclosure that defines the conditioned space has a lot of benefits. By having the insulation and air barrier at the roofline, the attic stays close to the temperature in the living space below. That…
I usually focus on the building science of homes, HVAC, and indoor environmental quality. Today, though, I'm going to cover a topic of outdoor environmental quality. I've had mosquitoes in my backyard since we bought the house in 2019. This…
The most noticeable thing about an air conditioner is that it blows cool air into the house. When you come indoors after doing yard work on a hot summer day, that may be all that matters to you. But air…
Several years ago, I heard something really interesting at a talk by a self-described futurist. It's an interesting "Futurists," she said, "look at weak signals and try to figure out which ones will become strong signals." I hadn't thought…
With our changing climate, more people are having to deal with higher humidity for longer periods of time this summer. I'd say this has been probably the worst summer for humidity since I moved to Georgia in the summer of…
If you travel with a hygrometer, as any seasoned traveler should, what I have to show you here is nothing new. But if instead you've never measured the relative humidity in a hotel room, I've got something interesting for you…