SINGLE-FAMILY HOME RATING
Austin Energy Green Building Single-Family Program
Mary McLeod, Coordinator Miki Cook Dick Peterson John Umphress Bryan Bomer Jessica Galloway
The purpose of this Guide is to explain and clarify the Green Building Measures listed in the Austin Energy Green Building Single-Family Home Rating, Version 2008. It reflectsbest practices known at this time by the Austin Energy Green Building staff for design and construction in the conditions of Austin, Texas. It is not intended to eliminate or substitute for the designer’s and builder’s own judgment or accepted engineering and construction practices. Implementation of specific measures must be made in compliance with all current building codes and local, state, andfederal regulations. Health and safety measures are not intended as medical advice. Austin Energy Green Building relies on its participants to submit accurate rating information to the best of their ability.
Web sites and References
Please note that web sites and references may change and/or material may become outdated.
Version 8.0, 8.1 and 8.2
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GUIDE to theSINGLE-FAMILY HOME RATING VERSION 2008
TABLE OF CONTENTS
INTRODUCTION: WHAT MAKES A HOME GREEN? • • • • • Energy Water Materials and Products Health and Safety Community and Neighborhood
HOW THE SINGLE-FAMILY HOME RATING WORKS • • • • • Basic Requirements Special Star Requirements Point Options and Values Additions and Innovations Compliance Verification and Documentation
RESOURCES • • TheSustainable Building Sourcebook Other
BASIC REQUIREMENTS • • • Austin Energy Green Building Requirements International Residential Code (IRC) Requirements International Energy Conservation Code (IECC) Requirements
MEASURES FOR POINTS • • • • • • • • • • • • Planning Process Site Selection Design Material Efficiency and Construction Waste Integrated Pest Management Thermal Envelope and MoistureControl Plumbing and Appliances Mechanical Electrical Interior Construction and Finishes Sitework and Landscaping Additions and Innovations
Version 8.0, 8.1 and 8.2
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GUIDE to the SINGLE-FAMILY HOME RATING VERSION 2008
INTRODUCTION: WHAT MAKES A HOME GREEN?
The Austin Energy Green Building (AEGB) Single-Family Home Rating assesses the design, construction, andperformance of new homes according to a set of Basic Requirements for All Ratings and the extent to which they incorporate a set of recommended green building Choice Measures For Points. The Rating also serves as an educational and marketing tool for AEGB participants and homebuyers and provides a handy means of comparison for both building professionals and homebuyers. It is crucial to recognize that ahome could incorporate many of the measures listed below, achieving a high number of points and still not be a high-quality green home. This could happen if the measures are not combined in a holistic way, in accordance with a clear understanding of building science. The home performance tests measure many aspects of building quality (mainly air movement) but cannot measure many others. AEGBencourages architects, designers and builders to improve their knowledge of building science in order to design and build homes that work as intended over a long lifetime. This Guide is intended for use as a handbook that accompanies the Rating. In order for the AEGB to assess and rate a home, there must be some consensus regarding what a green home is. There is broad agreement nationally and acrossmany disciplines and professions that in order for a home to be labeled “green,” it must address several concerns related to the environmental impacts of the building industry and the residential sector of the U.S. economy. These concerns can usually be divided into the five environmental impact topics listed below. Each topic can include several design, specification, construction, and performance...