| http://www.w3.org/ns/prov#value | - These certifications can also add value to your home, he added, noting that as programs such as Energy Star, the National Green Building Standard, LEED, or the Department of Energy???s Challenge Home become more popular and gain brand recognition, this public acceptance attaches a sense of value to the accreditations. ???There???s a growing awareness that high-performance features add value to a h
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