How Can Replacing a Furnace Make You Less Comfortable?
Let's say your trusty old furnace is at the end of its life. You've got to buy a new one, so you call your HVAC company and they rush over to make sure you don't freeze during the next cold…
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Recirculating Range Hoods — As Effective As Recirculating Toilets
You'd never settle for a recirculating toilet, would you? Press the lever and everything in the bowl just swirls around and around. Never leaving, just recirculating. That's the image Professor John Straube painted for us last week in his talk…
Don’t Compromise — Get a Low-Level Carbon Monoxide Monitor
You know that saying, Don't judge a book by its cover? That certainly applies to what may be the best protection against carbon monoxide poisoning you can buy. The CO Experts carbon monoxide monitor doesn't have a flashy website or…
Harnessing the Power of Self Delusion to Build a Green Home
I loved the book,* A Beautiful Mind, the story of John Forbes Nash, Jr. It was fascinating to read about how he approached mathematical problems, and even more fascinating to read about his descent into paranoid schizophrenia. Nash, who later…
Want Bad Air? Put a Heating & Cooling System in Your Attached Garage
I've written about how bad it is to put your heating and cooling system in an unconditioned attic, especially in a cooling climate. There's one place, though, that's even worse: an attached garage, as shown above. From an efficiency standpoint,…
Love Is More Important Than Building Science — A Thanksgiving Story
Perspective. It's a nice word. Fenestration may sound more sophisticated, but understanding the meaning of proper perspective will take you much further in life than all the building science in the world. With Thanksgiving upon us again, I thought I'd…
![Coal-fired Power Plant [by Stanze, From Flickr.com]](https://www.energyvanguard.com/wp-content/uploads/2021/11/coal-fired-power-plant.jpg)
The Electricity Multiplier Effect for Home Energy Efficiency
When does saving one of anything ever result in actually saving three or four? When we're talking about electricity, of course. The reason is simple: Most of our electricity comes from the burning of fuels like coal and natural gas.…
I-Joists, Attached Garages, and the Air Leaks That Poison
A home with an attached garage is usually a home in which people breathe more carbon monoxide (CO). Of course, having an open carport or detached garage is better for air quality (and a feature that usually gets points for…
My Choice in the ‘Building Enclosure’ vs. ‘Building Envelope’ Battle
When I wrote about the debate over the terms 'building envelope' vs. 'building enclosure' a couple of weeks ago, I favored the former but overall felt agnostic on whether we should choose one over the other. I didn't think I'd…
The Haunted House-as-a-System Down the Street
The most terrified I've ever been was was the time I got called to do a home energy audit of the haunted house-as-a-system down the street. I still shudder when I think of that night. Yes, it was nighttime. The…