About: http://webisa.webdatacommons.org/181873020

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	As was mentioned by others, the combination of EBB and some other sources of heat may be very economical.
http://www.w3.org/ns/prov#wasQuotedFrom	city-data.com