...drywall, flooring, ceiling, baseboard, et cetera? Children often fear the unknown monsters hiding beneath their bed or in the closet, but it's the adults who should be afraid. The monsters hiding from them are real. I've seen a bunch of…
It's Thanksgiving week here in the US again. That means a lot of people will be spending a lot of time indoors with ovens and cooktops firing. I'm one of those people. We're having a big get-together at my house,…
Consider the multitude of air pollutants you could inhale. You're probably inhaling some of them right now. Which of them, though, should you worry about the most? Well, IAQ researchers have begun addressing that question. The early work is showing…
My four mosquito death buckets have been set up in my yard for two weeks now. So how are they doing? Well, that's not enough time to reduce the adult population of mosquitoes yet, but there are three things we…
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…
Over the past seven years or so, I've written a bunch of articles about high-efficiency filtration. I've covered everything from how filtration fits into a good indoor air quality (IAQ) plan to why high-MERV filters often don't work to the…
Let's take the next step in understanding filtration efficiency today and talk about Clean Air Delivery Rate. You know that the really small particles, especially those that are 2.5 microns and smaller (aka PM2.5), are the most important indoor air…
Breathing clean, healthy air at home doesn't happen by accident. And it's not something you can buy a magic product to do for you. No, it's the result of understanding the basic measures that work to keep your air clean. …
Well, it's official. It may have taken 3.8 years to make it happen, but my Zehnder ComfoAir Q600 energy recovery ventilator (ERV) is running now! I started it up on 29 December, so it's been helping to clean my indoor…
I burned a grilled cheese sandwich recently. I tried to bury the evidence by throwing it in the trash and forgetting about it, but my dear, sweet wife fished it out. "You need to tell the world about this," she…