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CS-Rossetto house exterior

Super Energy-Efficient Home in Vermont

Oct 10, 2008 | Waitsfield, Vermont

Modest House Built to Scandinavian Green Standards

This modest home may not seem out of the ordinary, but energy efficiency specialist Efficiency Vermont calls it extraordinary — "Best of the Best" and "the most energy efficient home in the state," to be specific. With a HERSIndex or scoring system for energy efficiency established by the Residential Energy Services Network (RESNET) that compares a given home to a Home Energy Rating System (HERS) Reference Home based on the 2006 International Energy Conservation Code. A home matching the reference home has a HERS Index of 100. The lower a home’s HERS Index, the more energy efficient it is. A typical existing home has a HERS Index of 130; a net zero energy home has a HERS Index of 0. Older versions of the HERS index were based on a scale that was largely just the opposite in structure--a HERS rating of 100 represented a net zero energy home, while the reference home had a score of 80. There are issues that complicate converting old to new or new to old scores, but the basic formula is: New HERS index = (100 - Old HERS score) * 5. score of 95.3 out of 100, and four years of energy bills to document its performance, the building deserves the accolades. Builder Al Rossetto leaves nothing to chance: he has used the same construction details to lock in five-star Energy StarLabeling system sponsored by the Environmental Protection Agency and the US Department of Energy for labeling the most energy-efficient products on the market; applies to a wide range of products, from computers and office equipment to refrigerators and air conditioners. ratings for every home he has built since.

cs-affordable green neighborhood - street view

New, Affordable, and Green in a Historic Neighborhood

Oct 8, 2008 | Blacksburg, Virginia

A Local Organization Builds Practical Homes That Fit in with Others Nearby

Over the past two years, this group of affordable two-family homes in Blacksburg, Virginia, won numerous green building awards including 2007 Home Depot Foundation Award of Excellence for Affordable Housing Built Responsibly and Energy StarLabeling system sponsored by the Environmental Protection Agency and the US Department of Energy for labeling the most energy-efficient products on the market; applies to a wide range of products, from computers and office equipment to refrigerators and air conditioners. Award for Excellence in Energy-Efficient Affordable Housing. For Community Housing Partners (CHP), a community development corporation in Southwest Virginia, this is just one step in their mission of creating more sustainable opportunities for people in the region.

CS-student built affordable home in AZ exterior

A Modest New House Proves Green Doesn't Mean Expensive

Oct 8, 2008 | Prescott, Arizona

Typical Looking, Uncommonly Efficient and Healthy

This rather typical-looking single-story ranch house is very uncommon in a lot of ways. It's super energy-efficient, it has superior indoor air quality compared to most new houses, and it cost $55/square foot to build.

That it was so cheap to build flies in the face of conventional thinking about green building. How was this done? Tradeoffs. Fewer studs means more room for insulation. Roof overhangs and quality windows mean a smaller AC system. An unvented roof means the AC and ducts can go in the attic.

CS-Student built luxury home in Arizona exterior

Luxury Home Earns Gold NAHB Energy Value Housing Award

Sep 26, 2008 | Chino Valley, Arizona

Students' Academic Pursuits Provide Real-World Results

This luxury house won an NAHBNational Association of Home Builders, which awards a Model Green Home Certification. Energy Value Housing Award (Gold) while also complying with several sets of standards including LEEDLeadership in Energy and Environmental Design. LEED for Homes is the residential green building program from the United States Green Building Council (USGBC). While this program is primarily designed for and applicable to new home projects, major gut rehabs can qualify. , Environments for Living(EFL). A green building program that focuses on building science to improve home energy efficiency and comfort. EFL is administered by Masco Contractor Services., and ALA HealthHouse. It was designed to be healthy, durable, and affordable — as should be the goal of any sustainable building. Every detail was carefully considered, making the home efficient to build and live in.

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