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Académie
HVAC
NCI Residential System Performance Specialist
Duct System Evaluation
Vérification des connaissances
Duct System Evaluation
Vérification des connaissances
Vérification des connaissances
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Supply duct in an attic loses 12 degrees F of cooling capacity from air handler to register. This primarily indicates:
A
Inadequate duct insulation allowing 130-degree attic heat to warm the 55-degree supply air
B
The refrigerant circuit has a leak near the attic air handler
C
Duct leakage allowing hot attic air to enter the supply stream
D
Normal temperature gain - no correction is needed
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