About: http://webisa.webdatacommons.org/383525847

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	This is true for any HVAC (heating, ventilating and air conditioning) system, but it is especially important in passive design because passive solar heating does not produce as much heat as conventional methods.
http://www.w3.org/ns/prov#wasQuotedFrom	teachengineering.org