About: http://webisa.webdatacommons.org/146608730

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	Zoning steam heat in an existing system can be difficult at best due to the fact one would have to be sure that when the feed line dissapeared from sight, it ran only to the area you wish to zone, especially in a two story house.
http://www.w3.org/ns/prov#wasQuotedFrom	bobvila.com