PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (3) Energy efficient features or equipment.--The term ``energy efficient features or equipment'' means features of, or equipment in, a primary residence that help reduce the amount of electricity used to heat, cool, or ventilate such residence, including insulation, weatherstripping, air sealing, heating system repairs, duct sealing, or other measures.
http://www.w3.org/ns/prov#wasQuotedFrom
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