About: http://webisa.webdatacommons.org/3540542

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 far as best option, I have been on A-frames and they are crazy to cut a heat hole on; my suggestion, do not do it and use the windows or other building features to give you an exhaust opening and PPV.
http://www.w3.org/ns/prov#wasQuotedFrom	firehouse.com