About: http://webisa.webdatacommons.org/68842337

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	For heat pumps and air conditioners, one of the biggest problems with using the temperature rise method is that the actual operating compressor efficiency must be known in order to make an accurate estimate of flow rate.
http://www.w3.org/ns/prov#wasQuotedFrom	homeenergy.org