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With the Inflation Reduction Act providing lots of incentives to improve your home and go all-electric, let's look at how you can prepare for the conversion. As with any home improvement job, it's best to do your homework. In this…
Since the beginning of the pandemic in 2020, indoor air quality has become a subject of great concern. IAQ and infectious disease scientists discovered early on that COVID is airborne. That means removing virus-laden particles from the air or deactivating…
The quote below is a classic from the 1893 book, Ventilation and Heating, by John Shaw Billings. The imagery of wearing someone else's dirty underwear may shock you, but Billings makes a compelling point. We essentially do something worse whenever…
The DIY box fan air cleaner known as the Corsi-Rosenthal Box (or the Comparetto Cube, in a slight variation) has really taken off in the fight against COVID. I wrote about it here in September 2020, with instructions on how…
Here we are at the end of another year. It's been a weird one! I certainly won't go into all the weirdness of 2021, but let me give you the Energy Vanguard wrap-up, divided into five categories. Four of them…
It's that time of year again. The cold weather has begun here in the Northern Hemisphere, and people are talking about raising the humidity of the indoor air. I'm certainly no fan of bone-dry air, having experienced too much of…
It was two years ago this week we had the nasty old fossil gas natural draft water heater removed. (That's it in the photo below.) Outside of running a gasoline powered generator inside a house, this kind of water heater…
What’s the first image that pops into your when you see the term “water heating”? It’s probably a water heater tank. Depending on your interests or what you have in your home, perhaps it’s a tankless or solar water heater. …
The COVID-19 pandemic has changed a lot of things, including my view on higher ventilation rates. A few years ago, Joe Lstiburek of Building Science Corporation pushed hard for lower ventilation rates. He believed ASHRAE's residential ventilation standard (62.2) resulted…
It's time to revisit one of my favorite topics: the powered attic ventilator. Ten years ago I wrote an article titled Don’t Let Your Attic Suck - Powered Attic Ventilators Are a Bad Idea. It's got 169 comments and would…