About: http://webisa.webdatacommons.org/446010189

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	If cost is an issue I would skip the 2 stage, there is no ROI going over 15 SEER unless you have 20 cent per KWH or more power rates.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com