
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&...
Keep Reading



Dazzling Color Hoses--More Than a Fashion Statement
Stop living in the confusing, one-dimensional realm of monocolor pressure hoses. [continue reading]

Advancing the Art of PRISM Analysis
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]

Measuring the Performance of the National Energy Audit
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]

PRISM Does Windows
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]

User-Friendly Pressure Diagnostics
Using pressure measurements to find and quantify air leakage in houses has been a hot topic over the past two years. Packed sessions at recent conferences are testimony to the intense interest these techniques are generating in the weatherization community. [continue reading]

Computerized Energy Audits
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]



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.


