
Spotlight Article:
Better Measurements, Better Models: Advances in Measuring and Predicting Thermal Performance
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&...
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Better Measurements, Better Models: Advances in Measuring and Predicting Thermal Performance
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]

Get Started Using BEopt
WEB ONLY
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]

Using BEopt to Optimize Home Energy Performance
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]

What's New with Manometers?
WEB ONLY
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]

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 ... [continue reading]

Testing Duct Testers
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]



Building Performance Journal Editors
Our Blog Has Moved
Thanks for your interest in contributing a blog to the Building Performance Journal (formerly Home Energy magazine). We’re ...


Jim Gunshinan
Is Energy Efficiency an American Value?
Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.


