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Lighting controls and advanced HVAC also gain ground at 2015 IECC final action hearings.
The standard was first published in 1981, and the need for its requirements has grown as more attention is paid to improving energy in current building stock. Public input to the proposed changes is being sought from May 4 until June 18.
In 2009, projects certified under LEED for Existing Buildings: O&M surpassed those certified under its new construction counterpart on an annual basis, a trend that continued in 2010 and 2011.
The need for the standard’s requirements has grown as more attention is paid to improving energy in the country’s current building stock. Public review is open until May 25, 2011.