About: http://webisa.webdatacommons.org/147332833

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	They can heat an enclosed space such as a room faster than a heater without fan, but, like any fan, create audible noise.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org