Imagine that you've built a high-performance home somewhere in the southeastern US. It's airtight. It's well-insulated. The mechanical systems were designed properly and keep the indoor conditions just where they need to be. Now, you have an opportunity to spend…
Do you know what two things are required for air to move from one place to another? Do you know why that's important to indoor air quality (IAQ)? Do you know what types of pollutants are best removed by filtration? …
One of the most effective ways to improve your home is to make it more airtight. But airtightness is about much more than reducing your energy bills. I have here a list of 7 ways that airtightness improves your home,…
![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…
It's time for another update of my ongoing personal heat pump case study. I wrote here in 2020 about how the inverter-driven mini-split heat pump serving most of my main floor is undersized for cooling and for heating. And I…
What you see in the photo above is common at construction sites. Once a house gets framed, the next step is drying it in. For the walls, that means installing a drainage plane. The one they used on this house…
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…
There's a new type of flashing for window sills on the market now. It's the Rissan 430 grey corner from Siga, which is a piece of pre-formed flashing tape that fits perfectly into the corners of door and window rough…
If you've seen any of the articles or videos about my basement renovation, you probably know I'm using a product called InSoFast to insulate the floors and walls. You can see it on part of the basement in the photo…