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<http://webisa.webdatacommons.org/81411158>	<http://www.w3.org/ns/prov#value>	"A qualifying contractor will thoroughly inspect your system and equipment, including checking airflow, fan, motors, furnace, condenser and evaporator coils, compressor, air filter, and electrical components." .
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<http://webisa.webdatacommons.org/81411158>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kemainc.com> .