Cost-Effective Green Retrofits: Opportunities for Savings in Existing Buildings

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Between lighting, water use, mechanical systems, the building envelope, and occupant health, existing buildings are rife with cost-effective retrofits and operational opportunities that also offer environmental benefits. Improvements range from the painfully obvious to the more complex and involved.

From the Editors

Remembering Greg Franta
Greg Franta, FAIA, not only inspired green builders, he made them laugh.


NAIOP Study Shows that Saving Energy Takes Know-How
A study commissioned by NAIOP argues that the 30%–50% energy savings called for by many organizations is not cost effective, but critics say the study is full of holes.

ASHRAE to Launch Building Performance Label
A proposed labeling system from ASHRAE would expand Energy Star building performance metrics to a wider group of buildings.

Dates Announced for LEED 2009 Launch, LEED AP Exam
USGBC has announced a launch date for LEED 2009 as well as dates for the retooled LEED Accredited Professional exams.

Federal Stimulus Will Fund Green Building
The economic stimulus bill supports green building priorities to the tune of $79 billion, with support for energy efficiency, renewable energy, and green transportation projects.



Product Review

The First Practical Heliostat
Practical Solar has introduced a simple heliostat system to reflect sunlight into buildings for lighting and space heating; future applications will include water heating and electricity generation.

iCrete Mixes Stronger Concrete With Less Cement

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iCrete is an approach to concrete mix design that uses a proprietary algorithm, informed by detailed analysis of available aggregates, to optimize particle packing and use only as much cement as necessary.

Top-10 Products for Affordable Green Retrofits
Ten key product areas represent compelling opportunities for cost-effective, environmentally friendly retrofits to existing buildings.

Product News

Product Briefs

BackPage Primer

Porous Paving

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Pavement that allows infiltration of stormwater comes in a variety of types, and offers many environmental and even cost benefits.