Meanwhile , ASHRAE 189.1 , the first of a generation of sustainable construction codes , defines daylight zones and requires daylight harvesting control .
The 2010 ASHRAE 90.1 energy standard , expected to be published in the fall 2010 , is also expected to address daylight harvesting .
ASHRAE 189.1 , the first of a generation of sustainable construction codes , defines daylight zones and requires daylight harvesting control .
The 2010 ASHRAE 90.1 energy standard , expected to be published in the fall 2010 , is also expected to address daylight harvesting .