by Marc Rosenbaum
The Northeast Sustainable Energy Association
With ZNEBs becoming more common in NESEA country, we can begin to codify the strategies they share.
A zero net energy building is one that uses no more energy annually than its renewable energy system generates. It imports energy when site resources are insufficient, and it exports energy when what’s generated exceeds the building’s usage. Once very challenging to accomplish, ZNEBs are becoming more common in NESEA’s region. As this happens, it’s apparent that there are strategies that most of these buildings share, that permit us to begin to codify best practices for these homes and other buildings. As you’ll see, the energy system itself comes last.
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Reprinted with the permission of The Northeast Sustainable Energy Association.