About: http://webisa.webdatacommons.org/352018669

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	More efficient HVAC systems are also more effective at filtering out nitrogen oxides, carbon monoxide, sulfur oxides, and other air pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom	nrdc.org