Choosing an IR Camera
Which equipment specifications should you consider before you buy?
As 2-D and 3-D modeling to predict building performance becomes more widespread, we need to consider what data are feeding those models. At this point, modeling software has become quite sophisticated, and many users don&... [continue reading]
Download BEopt and EnergyPlus or DOE-2. Once they are installed, start BEopt and select either New Construction or Retrofit mode. Geometry screen. Click and drag to draw your building floor plan. Options screen. Select building ... [continue reading]
The story of BEopt starts in October 2000, when a seminal two-day workshop was held at the National Renewable Energy Laboratory (NREL) to explore the then-novel concept of zero net energy (ZNE) buildings. Representatives from the ... [continue reading]
Imagine leaving your manometer in the basement while you are doing a combustion appliance zone (CAZ) test and then walking around the house, turning on fans, adjusting doors, energizing the air handler, all while you ... [continue reading]
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]
A 2015 study, “Impacts of global warming on residential heating and cooling degree-days in the United States,” comparing heating ...
“Why do you need to cool and heat the whole building? Why don’t you cool and heat ...