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Académie
HVAC
NCI Residential System Performance Specialist
System Renovation
Vérification des connaissances
System Renovation
Vérification des connaissances
Vérification des connaissances
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Which residential duct deficiency correction typically offers the highest energy savings at the lowest cost?
A
Sealing supply duct leakage at accessible joints using mastic or UL-listed tape
B
Replacing all flex duct with rigid sheet metal ductwork
C
Installing a larger AC unit to overcome the duct restrictions
D
Installing a variable-speed air handler to compensate for restrictive ductwork
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