About: http://webisa.webdatacommons.org/10205513

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	A ventless (or vent-free) fireplace uses room air from the home for combustion and it also releases the combusted exhaut (which carries harmful substances and chemicals including carbon monoxide and carbon dioxide) back into the home.
http://www.w3.org/ns/prov#wasQuotedFrom	regency-fire.com