When Retrofitting A/C, Do the Ducts Too?
Three contractors weigh in on the often complicated decision homeowners have to make when repairing, reconfiguring, or replacing their ducts.
Carbon monoxide (CO) is really nasty stuff. It’s odorless, colorless, and neutrally buoyant, and it can make you stupid before it kills you. It’s not the kind of stuff you want ... [continue reading]
Why unhealthy homes cause unhealthy occupants. [continue reading]
Building performance renovation contractors and Weatherization Assistance program workers daydream of making homes healthy, comfortable, energy efficient, and durable. But sometimes when they are in the middle of a project, they find their dreams have ... [continue reading]
You may have heard of houses and neighborhoods exploding due to gas leaks in old pipes under the streets. Inside the home, detecting combustible-gas leaks is an important part of combustion safety testing. Gas connections ... [continue reading]
We build crawl spaces because they are cheaper than basements. But controlling moisture can be a challenge, depending on the climate zone. [continue reading]
Combustion appliance testing, before and after weatherizing a home, is an absolute necessity to protect homeowners from the effects of CO gas and other combustion products. Learn the BPI test procedures. [continue reading]
Molds are an ancient life form. Neither plants nor animals, molds are members of the Kingdom of the Fungi. Familiar members of the fungal kingdom include molds, mushrooms, and yeasts. Fungi digest spent life, transforming ... [continue reading]
I've had a decades-long love affair with dumb, passive houses. Passive. As in do-nothing. I love the design challenge ...
The U.S. Department of Energy recently announced the release of a new online simulation tool that provides free, targeted ...