When Above Average Is Not Good Enough
Let’s imagine two neighboring families on a residential block—the Joneses and the Smiths. Their homes are of comparable size and age, and both are families of four, living typical middle-class lifestyles. ...
Confessions of an "Addicted" Auditor
My initial reaction to the prospect of a computerized audit was sarcastic disdain--right, a computer is going to tell me what's wrong with a building! [continue reading]
Blower Door Cruise Control
The use of pressure differential diagnostics to measure and interpret air leakage is changing the way blower-door users approach buildings. [continue reading]
Infiltration: Just ACH50 Divided by 20?
Many researchers have sought to develop a correlation between a one-time pressurization test and an annual infiltration rate. [continue reading]
Leak Detectors: Experts Explain the Techniques
This article is an effort to bring together the ideas of several innovators who have invented methods of diagnosing duct leakage. [continue reading]
Two Favorite Test Methods, By the Book
The American Society for Testing and Materials (ASTM) has decided to improve protocols for two popular test methods for testing duct leakage in residences--the "blower door subtraction" technique and the "flow hood" technique. [continue reading]
Mobile Homes: Small Zones, Big Problems
In mobile homes, the furnace is typically located in a tiny room in the middle of the structure. A distribution fan at the top of the furnace moves return air downward through a counter-flow heat exchanger to a plenum that connects to a single long supply trunk. [continue reading]
Stories From the Buffer Zone
When air handlers and ducts are located in buffer zones like basements, energy and air quality problems associated with duct leaks--as well as the diagnostic procedures employed to evaluate them--tend to be quite complex and problematic. [continue reading]
Selecting an Infrared Imaging System
Many of us in the energy conservation business are "techno-junkies." [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 ...
Is Energy Efficiency an American Value?
Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.