Green Built North Texas www.greenbuiltnorthtexas.com
National Association of Home Builders www.nahb.org
U.S. Green Building Council www.usgbc.org www.usgbcnorthtexas.org
Department of Energy "Building America" www.eere.energy.gov
Building Science Corporation www.buildingscienceconsulting.com
NARI Greater Dallas Chapter www.naridallas.org