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By accessing or downloading the data from the NREL Residential Efficiency Measures Database, you agree to the following:

This data and software ("Data") is provided by the National Renewable Energy Laboratory ("NREL"), which is operated by the Alliance for Sustainable Energy, LLC ("ALLIANCE") for the U.S. Department Of Energy ("DOE"). Access to and use of these Data shall impose the following obligations on the user, as set forth in this Agreement.  The user is granted the right, without any fee or cost, to use, copy, modify, alter, enhance and distribute these Data for any purpose whatsoever, provided that this entire notice appears in all copies of the Data.  Further, the user agrees to credit DOE/NREL/ALLIANCE in any publication that results from the use of these Data.  The names DOE/NREL/ALLIANCE, however, may not be used in any advertising or publicity to endorse or promote any products or commercial entities unless specific written permission is obtained from DOE/NREL/ ALLIANCE.  The user also understands that DOE/NREL/Alliance is not obligated to provide the user with any support, consulting, training or assistance of any kind with regard to the use of these Data or to provide the user with any updates, revisions or new versions of these Data. YOU AGREE TO INDEMNIFY DOE/NREL/Alliance, AND ITS SUBSIDIARIES, AFFILIATES, OFFICERS, AGENTS, AND EMPLOYEES AGAINST ANY CLAIM OR DEMAND, INCLUDING REASONABLE ATTORNEYS' FEES, RELATED TO YOUR USE OF THESE DATA.  THESE DATA ARE PROVIDED BY DOE/NREL/Alliance "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DOE/NREL/ALLIANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER, INCLUDING BUT NOT LIMITED TO CLAIMS ASSOCIATED WITH THE LOSS OF DATA OR PROFITS, WHICH MAY RESULT FROM AN ACTION IN CONTRACT, NEGLIGENCE OR OTHER TORTIOUS CLAIM THAT ARISES OUT OF OR IN CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THESE DATA.

Here you can view or save data from the National Residential Efficiency Measures Database in XML format. For more information about the database, please refer to the following document:

Guide for Application Developers

Measure XML Download

This file offers data organized by defined measures. A measure consists of a typical 'before-component' and 'after-component' for a certain type of retrofit activity. Each measure will have components, costs (or cost range), and possibly references associated with it.

XML (ZIP): Download (502.45 KB)
XSD: Download (7.38KB)

Raw Data

This is a feed of ALL the raw data in the database, including the individual components and actions and their respective material and labor costs.

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The National Renewable Energy Laboratory is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy LLC.