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 ...
Blower doors, pressure tests, and other diagnostic tools are useful for assessing home performance before and after weatherization. [continue reading]
In the past two decades, many energy analysis software packages have appeared on the market. Most of these have been time-consuming, complicated to use, or unable to handle a sufficient number of variables. [continue reading]
Since the original version of PRISMÃ(PRInceton Scorekeeping Method, developed and copyrighted by Princeton University) was released in 1986, it has been used by utilities, private companies, government agencies, and universities to estimate energy savings from conservation programs. [continue reading]
In 1978, the U.S. Department of Energy (DOE) published Project Retro-Tech to provide all states a manual technique for identifying low-income weatherization measures that would produce the most energy savings per dollar spent. [continue reading]
A new and improved version of the most widely used computer software for analyzing retrofit energy savings from utility billing data is now available. [continue reading]
Weatherization agencies have complained for years about a U.S. Department of Energy requirement that 40% of Low-Income Weatherization Assistance Program (WAP) funds be spent on "materials" rather than labor. [continue reading]
The National Energy Audit, Recipe for a "DOE-Approved" Computer Energy Audit [continue reading]
For more than a decade studies have consistently shown that homebuyers want energy efficient features, but few are actually aware ...
Today, Rocky Mountain Institute (RMI) revealed a $33 billion market opportunity in the U.S. for new net-zero energy (NZE) homes ...