Case Study
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below for each house:
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Sunnyside Up (no video)
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View more images of each house below
Built Green Homes Tour
A Built Green Homes Tour was held in Seattle during the spring of 2005. Beginning at Environmental Home Center, we traveled across the city to investigate award-winning green designs that are constructed with outstanding green materials, products and systems!
The tour -- geared towards building professionals, students and green building specialists -- provided a unique, up-close look at four certified Built Green projects. Builders and designers of the projects were on-site to provide information on innovative green features, installation intricacies, product performance and cost effectiveness. Each of the homes was also presented at the 2005 Built Green Conference at Seattle Center, and three homes won awards in the Seattle Built Green Design Competition, with the fourth builder winning an award for a separate project. Transportation to the homes was provided by King County on hybrid buses. Lunch was provided by Home Street Bank from Organic-to-Go. Here’s a brief look at the four projects we visited, featuring photography by Northwest Property Imaging.
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Built Green Rating: 4 Star with 405 points using Homebuilder Checklist
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Everyman’s Project
Greenleaf Construction
Designed to demonstrate how any builder can "go green" and keep costs contained, this speculative
home became a 4th Star Built Green project by carefully selecting quality materials and finishes inside and out. Features include:
Site and Water: Infill lot takes advantage of existing infrastructure; Soil amended to 8-10" to restore soil function; Non-toxic/low-toxic outdoor lumber; Infiltration trenches and rain barrels collect and manage rainwater on-site. Energy Efficiency: Energy Star Homes-certified; Fireplace heat recovery
ventilator heating system; Advanced framing techniques; Solar-powered outdoor lighting. Health and Indoor Air Quality: Cabinets are formaldehyde-free with low-toxic finish; Natural fiber wool carpet; Whole house fan; Maximized air distribution and filtration; Low-toxic materials, paints, adhesives, finishes. Materials Efficiency: Construction Works Project; Limited project size; Salvaged lumber; 40-year roof; 50-year fiber cement siding from James Hardie; Reused scrolled corbels from ReStore; Locally made iron stair railings and window boxes.
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Built Green Rating: 5 Star with 471 Points Using Homebuilder Checklist
Designed by Ted Granger
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The Sensible House
Sunshine Construction
In addition to Built Green™ certification, this home is Energy Star® arted, Engineered for Life, and participated in Construction Works recycling program. Homeowner Bob Scheulen developed "The Sensible House Project" to demonstrate how "to build a home that is affordable, attractive, healthy, and of course, environmentally-friendly." For more information, visit www.sensiblehouse.org. Features include:
Site and Water: 7,000 gallon rain water collection cistern; Eco-Stone pavers in driveway; Built-in accessory apartment; Energy Efficiency: 9" Double-framed R-33 walls; Advanced system framing; 12" SIP roof system with R-48; Hydronic coil heat system; Triple-glazed U 0.20 windows; Passive Solar; Heat Recovery; Vacuum Tube Solar Water Heater; Health and Indoor Air Quality: No carpet, no vinyl; Whole-house HEPA Filter; Low-toxic materials, paints, adhesives, finishes; Rain-shield for mold prevention; Materials Efficiency: Salvage and Deconstruction of existing structure; Salvaged trim, flooring, studs installed; Flyash in concrete, 43% walls/footings, 33% slab; Full-line job-site recycling; FSC certified materials.
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Built Green Rating: 3 Star with 417 Points Using Remodeler Checklist
Designed by George Ostrow
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A River Runs Through It
Velocipede Architects
A new Accessory Dwelling Unit (ADU) Apartment was added to this major remodel of an existing home. A central entry hall now serves as a border between ADU and the primary house. Features include:
Site and Water: Vegetated Roof System; Rain water collection system using reused wine barrels; Collected rain water irrigates landscape; Built-in accessory apartment (ADU); Energy Efficiency: Hydronic radiant heat in ADU; Electric heat pump for hot water heating; Energy Star® appliances; Insulated Concrete Forms in foundation; Structural Insulated Panels (SIPs) in wall system; Health and Indoor Air Quality: Whole house exhaust fan; Rain screen in ADU for mold prevention; Low-toxic, caulks, sealants, and adhesives; Interior wall paint, low-VOC and no formaldehyde; Materials Efficiency: 43% Flyash in all new concrete; 50-year fiber cement siding; 100% recycled glass cullet
under slabs and foundations; Jobsite recycling; Recycled content ceramic tile.
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Built Green Rating: 3 Star with 452 Points Using Remodeler Checklist
Designed by Jim Burton
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Sunnyside Up
Blip Design
This project was a 4200 s.f. remodel of an existing house that was a gray box with a flat roof. The owners wanted to retain its "modern" look, while turning it from "drab" to beautiful. At the same time, they wanted the project to be a laboratory for sustainability and "Smart House" technology. A central feature of this home is a roof penthouse that increases the usable square footage of the house, without adding volume that has to be heated. It serves several functions: provides access to the new roof terrace; acts as a "light box", to wash stairs and interior with natural light; acts as a "solar chimney" in the summer, allowing warm air to rise and escape through the house, and drawing cool air into the house below; on the roof terrace it provides shelter from the wind, and with its solar "roof" shelter from rain and sunlight; it supports the steel framework that holds the photo-voltaic modules, and the solar hot water collectors. The solar array is designed in a passive-solar manner - its overhang blocks sunlight in the summer months, but allows the low sun to enter in the winter. Other features include:
Site and Water: Extensive site protection and restoration; Rain water collection system—downspouts plumbed to 12,000 gallon capacity tank; Collected rain water can be used to irrigate landscape, flush toilets, and is potable; Energy Efficiency: Vacuum tube solar hot water system; Net-metered photovoltaic system can produce 3250 kWh/year; Wastewater heat recovery; Hydronic radiant floor heating; Health and Indoor Air Quality: Rain screen siding for mold prevention; All materials and finishes are low-toxic; No carpets in the home; Ceramic tile installed; Central vacuum exhausted outside; Materials Efficiency: Bamboo flooring; Used remilled salvaged lumber for wood stair treads; Recycling center built-in; Full jobsite recycling.
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