<http://webisa.webdatacommons.org/453939240> <http://www.w3.org/ns/prov#value> "In most heating and cooling systems, there is an option to independently manually control the blower unit 7 to run continuously or according to or taking into account some criteria other than the temperature of the working elements of the heating and/or cooling unit 6." . <http://webisa.webdatacommons.org/prov/392081676> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/453939240> . <http://webisa.webdatacommons.org/453939240> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/453939240> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.ca> .