Get Started Using BEopt
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 ...
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]
With the recent increase in multifamily housing construction, combined with some builders’ desire to seek green certifications, establishing a user-friendly blower door test protocol that achieves repeatable results would allow multifamily buildings to achieve ... [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]
As any BPI Building Analyst will tell you, it’s hard to become adept at combustion testing. It takes lots of practice, in real houses, with real mechanical equipment. No amount of classroom training ... [continue reading]
As a longtime writer about software for Home Energy, I get asked one question more often than any other: What software do you recommend for companies involved in energy auditing, weatherization, or residential retrofitting? The ... [continue reading]
Modeling software can be very useful for helping you understand how a building works. As I’ve described in previous articles, you can calculate heating and cooling loads, HVAC air delivery requirements, and duct ... [continue reading]
EnergyGauge, from the Florida Solar Energy Center (FSEC), is one of only two software applications certified by the Residential Energy Services Network (RESNET) for producing HERS ratings for new and existing buildings. (The other, which ... [continue reading]
Space conditioning is the biggest piece of the residential energy pie, and thermal shell improvement is a homeowner's best opportunity ...
Energy supplies and efficiency in new home construction took an interesting turn when researchers at Oak Ridge National Laboratory (ORNL) ...