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Sustainability Guide for Existing and Historic Properties


Friday, December 20, 2019

This guide is an introduction to the systematic sequence of evaluation, planning and decision-making required to carry out an effective green retrofit for owners, tenants, managers and residents of older historic buildings. This document has been prepared by the DC Department of Energy & Environment (DOEE) and the Historic Preservation Office (HPO). 

This guide was approved by the Historic Preservation Review Board on December 19, 2019.