Spotlight Article:
Ventilation in the 2019 California Energy Code
It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ...
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Variable Capacity Versus Fixed Capacity
An Experiment in the Impact of Duct Location [continue reading]
A Guide to Installing Window Air Conditioners
Homeowners in the United States spend $1 out of every $8 of utility costs on cooling their living space. Window air conditioners (A/Cs) are an inexpensive alternative to central systems and are sold in greater numbers ... [continue reading]
Backdrafting Appliances: Causes and Fixes
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Homeowners and contractors need to know that when they replace 70%- or 80%-efficient furnaces with 90%-efficient furnaces and leave standard atmospheric draft water heaters orphaned, old atmospheric water heaters may backdraft, creating CO problems for ... [continue reading]
Building Science 201: Combustion
The more we understand about combustion appliances, the better we can serve the houses we work in. [continue reading]
Getting Started in Home Performance Contracting
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Thirteen steps to taking your contracting services to the next level [continue reading]
HVAC Contractors: Survive and Prosper in Hard Times
WEB ONLY
The International Energy Conservation Codes (IECC 2009 and 2012) require HVAC ducts to be tested to prove a minimum leakage of a rather easily obtained 12 CFM/100 square feet of conditioned floor area. While many states and localities ... [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.
