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 ...
You load the self-contained software into your computer, put in the numbers about the home and the buyer, and click your mouse on one of the icons. Instantly you get easy-to-read graphics on customized house and financing scenarios, cash flow and mortgage payment analysis, and energy upgrade costs versus savings. [continue reading]
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]
While working on my upcoming article about California's owner-builder movement and its connection to today's tiny homes, I reconnected with ...
Although the concept of geothermal energy is one that's been around since Ancient Romans were snap-whipping their buddies with towels ...