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GREEN BUILDING more. efficient than a home built to code in 2007. All new non-residential buildings will be required to be 75% more Austin Energy • 482-5300 efficient by the same year. This increased efficiency will allow for the balance of energy to be provided by onsite solar energy as these systems become more affordable. Since 1991, Austin Energy Green Also, AEGB is charged with creating a Carbon Neutral Building (AEGB) has evolved from certification for homes and buildings. an idea promoted by a small group of visionaries into a major policy implementation tool used by the This section will introduce you to some of the ways AEGB City of Austin and its municipal is leading the city to a sustainable future. It will describe utility to make and keep Austin a our efforts to make the Mueller Redevelopment one of the leader in sustainability and climate greenest neighborhoods in the country, look at how efficient protection. the homes and buildings rated by our programs really are, and examine how AEGB will work through the Austin Climate Protection Plan to shape a low-carbon future for From our start as a program for rating single family the City and Austin Energy. homes, AEGB has grown to encompass single family, multi- family, and commercial ratings; energy code improvement and education; and green building consulting for other For more information on Austin Energy Green Building cities and utilities. and the services we offer, including seminars and other events, go to www.austinenergy.com/go/greenbuilding. AEGB influence on the way homes and buildings are In This Section... designed and built has grown beyond voluntary participa- tion by industry leaders to include requirements for green Top-Rated 5-Star Green Building Homes ......................3 building ratings in specific areas such as affordable housing, Green Building Rated Multifamily ...............................10 planned unit developments, and downtown buildings. Green Building in AISD Schools ...................................12 Transit Oriented Development ......................................15 The Austin Climate Protection Plan continues to expand Mueller Airport Site Redevelopment ...........................18 the role of AEGB. The Zero Energy Capable Homes initiative Zero Energy Capable Homes ........................................21 (p. 64) requires coordination between AEGB and the Energy Green Remodeling ..........................................................23 Code to make all new homes built in Austin by 2015 65% Green Building 1 PB CONSTRUCTION Ecocreto Pervious Concrete Commercial • Residential Remodeling and (512) 291-8394 New Homes www.ecocreto.com Paul Balmuth 1300 Kinney Ave. The Future is Now... Austin, Texas 78704 (512) 413-6416 Just Add Water pbconstruction.net Discovery Architectural Antiques Largest Store of Its Kind in the Southern USA All Antique Stained Glass, Flooring, Beams, Doorknobs Barnwood, Pines, Oak, Tin Ceiling, Lighting, Tubs & Sinks parking lot Tuesday-Saturday: 9-5:00 409 St. Francis, Gonzales Ph: 830-672-2428 www.discoverys.com Email: [email protected] Gretchen Janzow Realtor, EcoBroker, GRI, CIPS Capital City Sotheby’s International Realty Approved by Texas Commission on Environmental Quality, City of Austin, Buying, Selling, US Army and studies by UT and Texas A&M • Exceeds 4000 psi Development, Healthy and Green Building Phone: 512.328.0058 x267 Cell: 512.431.5761 [email protected] www.ecobrokeraustin.com CENTER FOR MAXIMUM POTENTIAL BUILDING SYSTEMS 8604 FM 969 p (512) 928-4786 AUSTIN, TX 78724 f (512) 926-4418 www.cmpbs.org [email protected] Environment Sensitive Pest Control Kenn Brown Organic Pest Control (512) 805-7777 [email protected] www.environmentsensitive.com 2 Top-Rated "5-Star" Homes by Austin Energy Green Building Fletcher Avenue Architect: Craig Nasso What is a 5-Star Green Builder: JDFC Construction Home Rating? Home Area: 2,295 sq ft Austin Energy Green Urban infill, two homes on lot Building rates new homes 3 KW solar electric PV system and large renovation proj- Total-fill, spray foam insulation Metal roof with gutters and downspouts ects on a 1 to 5 Star scale. To date, AEGB has rated over 7,000 homes. Only Mira Loma one-half of one percent has achieved a 5-Star rating. Designer/Builder: ZWorks Design Build Home Area: 2,010 sq ft Sq ft per ton cooling: 670 Star level does not de- pend on the home’s style 3 kW solar electric PV system and solar or price. As you can see water heater from the homes pictured Insulated Concrete Form (ICF) exterior walls and Structural Insulated Panel (SIP) here, 5-Star homes run the roof system gamut. The Rating con- siders the energy, water, and material efficiency Westhill Drive of a home; its health and Architect: Glen Chappell safety; and its impact on Builder: Randy Meek Homes the community. Home Area: 2,070 sq ft Sq ft per ton cooling: 690 5-Star homes typically 17 SEER AC system and high efficiency include: EnergyStar appliances • Design for passive cool- Local Texas limestone countertops ing and daylighting; Outdoor shower and tub with graywater • Efficient thermal en- re-use velope using total-fill insulation that prevents Link Avenue Architect: Smith Holt air from leaking through Builder: Shelter Design + Construction walls; Home Area: 1,802 sq ft • High amount of living Sq ft per ton cooling: 720 space per ton of cooling Remodel of existing residence; many (indicates appropriate re-used materials design for our climate); Insulated concrete form wall system (Rastra) • Heating and cooling with total-fill foam roof insulation ductwork and equip- ment within the thermal Photo: Thomas McConnell envelope; Heather Hills Drive • Testing the envelope Designer: Images Of... and ductwork for air Builder: Owner built leakage; Home Area: 2,520 sq ft • Metal, tile, or highly Sq ft per ton cooling: 1,010 reflective roofing; Cast-earth wall system using local materials • EnergyStar appliances; Total-fill foam insulation in roof • Water-wise landscaping Durable stained-concrete floor Photo: Eliot Johnson Green Building – Top-Rated Homes 3 Sustainable Design LEED Certification [email protected] Robert T. Jackson, AIA 1135 West 6th Street, Suite 125 • Austin, Texas 78703 Phone: (512) 472-5132 • Fax: (512) 472-5158 [email protected] • www.JacksonMcElhaney.com 4 Top-Rated Homes by Austin Energy Green Building Delano Street Designer: Lee Doar What Makes a Home Builder: Habitat for Humanity Green? Home Area: 1,095 sq ft Sq ft per ton cooling: 730 The starting point is Compact home design location. Building on Energy efficient metal roof plus foil radiant an empty urban infill barrier lot with existing streets, Rigid metal ductwork with R-10 duct insula- sewer, water and electric tion Photo: S.K Photography lines or renovating an Cumberland Road existing home are greener approaches than starting Designer: Jay Billig Builder: Jaythings, Inc. fresh in a remote spot re- Duplex Area: 1,731 sq ft / 1,150 sq ft quiring a lot of driving to Sq ft per ton cooling: 692 / 767 meet daily needs. A home built over an aquifer or in Urban infill with two units on one lot Limited windows on east and west sides endangered species terri- Preserved site trees tory is not green. Good design comes next. Photo: Thomas McConnell The home must be appro- Treadwell Street priate for its conditions, Architect: Ross Tedter especially climate and site. Builder: Oliver Custom Homes A sun room that would Home Area: 1,712 sq ft be pleasant in Minnesota Sq ft per ton cooling: 685 might be uninhabitable in Urban infill Central Texas. Fluorescent lighting Tankless gas water heater A home needs to be the right-size—able to meet a Photo: Patrick Wong family’s current and future Oak Street needs with flexible, multi- Designer: Emily Little Architects, Inc. use spaces, but not so big Builder: Blue Horse Building & Design that it wastes resources. Home Area: 2,700 sq ft Sq ft per ton cooling: 675 Simplicity of design Metal structural insulated panels (SIPs) reduces both construction used for walls and roof and maintenance costs. Locally milled cedar columns, flooring, Simplicity reduces the closet lining and porch trim likelihood of all types of problems—from getting ductwork where it needs Avenue H to go to reducing leak- Architect: Weber Hanzlik causing trouble spots in Builder: Wm T Moore Construction roofs. Home Area: 2,360 sq ft Sq ft per ton cooling: 944 Remodel and 2nd floor addition maintains neighborhood scale 2.45 KW solar electric PV system Rainwater harvesting system Photo: Patrick Wong Green Building – Top-Rated Homes 5 CENTRAL TEXAS – BALCONES [email protected] Jane Baxter Lynn Executive Director [email protected] Brian Uhlrich – LEED for Schools [email protected] [email protected] 6 Top-Rated Homes by Austin Energy Green Building East 22nd Street Architect/Builder: Don Smith, Choose durable materials Northfield Design Home Area: 2,000 sq ft and construction methods Sq ft per ton cooling: 667 that work well in hot, humid conditions. Con- All water-based finishes and no-VOC paints structing a wall so it can’t 3 KW solar electric PV system dry out easily might be Blown-in rock wool and foam insulation okay in the desert south- west, but it would be a Photo: Patrick Wong disaster of rot and mold in Capital Court Austin. Architect: Jackson & McElhaney Architects Home Area: 2,750 sq ft Choose water and ener- Sq ft per ton cooling: 611 gy-saving heating and Modular design reduces material waste cooling systems, fixtures Total-fill spray foam insulation and appliances. HVAC Windows and window overhangs carefully systems that are correctly oriented and sized sized save money upfront 3,000-gallon rainwater harvesting system and every month thereaf- Photo: Michael McElhaney ter, provide better hu- midity control, premium Stamford Lane comfort, and reduce the Architect: Barley + Pfeiffer Architects Builder: Oliver Custom Homes likelihood of mold.