123 Zero build is a free tool for calculating the performance of a market-ready carbon-neutral office building design. The app estimates the discounted payback for constructing a zero emissions office building in any U.S. location, including the investment needed for photovoltaics to offset annual carbon emissions, payback calculations, estimated first costs for a highly energy efficient building, photovoltaic costs, discount rates, and user-specified fuel escalation rates.
Related Stories
| Oct 5, 2011
GREENBUILD 2011: Kohler builds sustainable booth at Greenbuild 2011
In a setting composed of reclaimed materials, biodegradable signage, energy-efficient lighting and more, exhibitor highlights its new products with ecological awareness.
| Oct 5, 2011
GREENBUILD 2011: Brick offers growing options for sustainable building design
Brick exteriors, interiors and landscaping options can increase sustainability that also helps earn LEED certification.
| Oct 5, 2011
GREENBUILD 2011: Roof hatch designed for energy efficiency
The cover features a specially designed EPDM finger-type gasket that ensures a positive seal with the curb to reduce air permeability and ensure energy performance.
| Oct 4, 2011
GREENBUILD 2011
Click here for the latest news and products from Greenbuild 2011, Oct. 4-7, in Toronto.
| Oct 4, 2011
GREENBUILD 2011: Methods, impacts, and opportunities in the concrete building life cycle
Researchers at the Massachusetts Institute of Technology’s (MIT) Concrete Sustainability Hub conducted a life-cycle assessment (LCA) study to evaluate and improve the environmental impact and study how the “dual use” aspect of concrete.
| Oct 4, 2011
GREENBUILD 2011: Johnsonite features sustainable products
Products include rubber flooring tiles, treads, wall bases, and more.
| Oct 4, 2011
GREENBUILD 2011: Nearly seamless highly insulated glass curtain-wall system introduced
Low insulation value reflects value of entire curtain-wall system.
| Oct 4, 2011
GREENBUILD 2011: Ready-to-use wood primer unveiled
Maintains strong UV protection, clarity even with application of lighter, natural wood tones.
| Oct 4, 2011
GREENBUILD 2011: Two new recycled glass products announced
The two collections offer both larger and smaller particulates.