ASHRAE 90.1-2007 to 2010 to 2013: Changes in Air-To-Air Energy Recovery Requirements and the International Energy Conservation Code (IECC)
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Air-to-air energy recovery devices present several key benefits for commercial buildings. These benefits include lower energy costs due to the reduction in the overall mechanical cooling and heating requirements, lower first costs due to reduced mechanical equipment sizes, and reduced variability in air conditions entering the cooling and heating system. Energy standards for commercial buildings have included requirements for air-to-air energy recovery based on system design, because energy recovery devices have shown a significant savings in energy consumption.