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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.
Green Building News
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.
A proposed labeling system from ASHRAE would expand Energy Star building performance metrics to a wider group of buildings.
USGBC has announced a launch date for LEED 2009 as well as dates for the retooled LEED Accredited Professional exams.
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 News & Reviews
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 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.
Ten key product areas represent compelling opportunities for cost-effective, environmentally friendly retrofits to existing buildings.
Pavement that allows infiltration of stormwater comes in a variety of types, and offers many environmental and even cost benefits.