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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Battle of the Walls: Peak Reduction
BPI CE
Three homes, with different wall systems but otherwise nearly identical, test the theory that night cooling cuts peak energy use in the Southwest United States. [continue reading]
Monitoring Results for the Factor 9 Home
BPI CE
Canadian building scientists and a family of four set out to build a home that uses nine times less energy than the average - and half the water. [continue reading]
Guide to Regional Energy Efficiency Standards
Enlarge Image> On October 13, 2009, the Air-Conditioning, Heating and Refrigeration Institute (AHRI) signed an agreement with environmental advocates and other groups, notably the California Energy Commission and leading utilities. This agreement on regional standards for ... [continue reading]
ECM Efficiency
Electrically Commutated Motors (ECM) in air-handler fans promise improved efficiency. But does improved technology necessarily mean efficient HVAC systems? [continue reading]
Weatherization Ventilation
The mantra of responsible new home building has been make it tight and ventilate right. Works for existing homes too. [continue reading]
Tree Shading
The relationship between tree shading and summertime home energy consumption has long been a topic of interest, and has been the subject of many simulations and small-scale studies. A recent study, led by Geoffrey Donovan, ... [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.
