About: http://webisa.webdatacommons.org/278497907

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	Cleaning them once a year prevents problems such as water damage, roof damage and flooding. ???Service your furnace: A well-maintained furnace can help save on heating costs and prevent the need for repairs.
http://www.w3.org/ns/prov#wasQuotedFrom	baltimoretimes-online.com