About: http://webisa.webdatacommons.org/420021790

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	Unless there is an obvious change in your system, it seems the problems you face could be due to the thermostat especially since you are replaced it 3 times.
http://www.w3.org/ns/prov#wasQuotedFrom	hvacmechanic.com