Calibrating Measurement Tools
To quote the wise Yogi Berra, “You’ve got to be very careful if you don’t know where you are going, because you might not get there.” In terms of ...
To quote the wise Yogi Berra, “You’ve got to be very careful if you don’t know where you are going, because you might not get there.” In terms of ... [continue reading]
Looking for a draft in a flue by measuring just the pressure in the flue—with reference to the combustion appliance zone, or CAZ—is a bit like discussing the speed of a ... [continue reading]
According to DOE’s Building America program data, typical residential ductwork efficiency is about 67%. That means that if you install a 90% efficient furnace, your system efficiency would be just over 60%. Another way to look ... [continue reading]
Long ago, when I started in this business, I wished for a pair of glasses that I could put on to see how the air was moving. (Now I wear glasses all the time just ... [continue reading]
In these tough economic times, it's appropriate to invest time in repairing and maintaining things, to make manufactured goods last longer and to save money. Besides, it feels good to repair something yourself, and working ... [continue reading]
As the house gets tighter, the effectiveness of the ventilation system becomes increasingly critical. [continue reading]
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]
It has come to my attention that there may be a building science-based conflict in the language of the 2012 International ...
As energy auditors and raters went about their business of testing homes, performing energy audits and HVAC system inspections, they ...