Steve Mann is a HERS rater, LEED AP+ Homes, Certified Energy Analyst, serial remodeler, and longtime software engineer.
The various home-rating systems have their strengths and, more often, their weaknesses. [continue reading]
Energy auditors use a simple, well-known approach called a utility bill disaggregation to analyze a home's overall energy use. Here's a quick summary of that technique as detailed in Krigger and Dorsey's Residential Energy: [continue reading]
On an ongoing basis, California’s investor-owned utilities (IOUs), in collaboration with the California Public Utilities Commission (CPUC) and the California Energy Commission (CEC), develop programs designed to promote residential energy efficiency. In 2010, recognizing ... [continue reading]
ACI's Energy Upgrade California, held January 10-11 in Los Angeles, presented a pretty good picture of how the Energy Upgrade California program will roll out across California. Currently an investor-owned utility (IOU) pilot program, it offers modest rebates for whole house improvements. There are a variety of rules and regulations, and paperwork, and processes that were all laid out pretty clearly at the conference. In addition, the local municipalities talked about their related programs ... [continue reading]
Measured Home Performance, by Rick Chitwood and Lew Harriman, is subtitled a “Guide to Best Practices for Home Energy Retrofits in California.” The market for this book is even smaller than the subtitle implies—it focuses on middle income housing with forced air systems. Even more specifically, it features homes with air conditioning. The audience for this book is California-based home performance contractors, almost guaranteeing that it will never be found on ... [continue reading]
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