Steve Mann is a HERS rater, LEED AP+ Homes, Certified Energy Analyst, serial remodeler, and longtime software engineer.


REM:Rate 12.5 - A Versatile Energy Application
Steve Mann is a HERS rater, Green Point rater, LEED AP, remodeler, and long-time software engineer. As many Home Energy readers know, the Residential Energy Services Network (RESNET) is a U.S.-based, national standards-making ... [continue reading]

Fixing California's Existing Homes
In 1999, California adopted the first phase of its HERS program. Unlike HERS programs in the rest of the country, which generally focus on whole-house analysis, the California program focuses on field verification and testing of ... [continue reading]

Energy Efficient Mortgages
Of all the topics I've written about for Home Energy, energy-efficient mortgages (EEMs) have generated the most questions. There seems to be a lack of understanding about this Federal Housing Administration (FHA) program among home ... [continue reading]

EnergyGauge HERS Rating Software
EnergyGauge, from the Florida Solar Energy Center (FSEC), is one of only two software applications certified by the Residential Energy Services Network (RESNET) for producing HERS ratings for new and existing buildings. (The other, which ... [continue reading]

The Thousand Home Challenge
On February 10th and 11th, the ACI and Pacific Gas & Electric (PG&E) sponsored a meeting at PG&E’s Stockton, California training center. The purpose of the meeting was to ... [continue reading]

Computer-Based Energy Analyst Training
There’s nothing quite like sitting in a classroom, or out in the field, learning about HVAC systems, building science, green rating protocols, and other subjects of interest to Home Energy readers. You can ... [continue reading]

Home Performance with Energy Star Roundtable
A panel of successful Home Performance with Energy Star contractors gives candid answers to questions about auditing homes and correcting problems in ways that make customers happy and their businesses thrive. [continue reading]

Energy Modeling Versus Reality
Modeling software can be very useful for helping you understand how a building works. As I’ve described in previous articles, you can calculate heating and cooling loads, HVAC air delivery requirements, and duct ... [continue reading]



ACI's Energy Upgrade California
Steve Mann
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 and ... [continue reading]


Book Review: Measured Home Performance
Steve Mann
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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