Referring to illustrated diagram, what type of HVAC system is shown? Illustration GS-RA-43

Illustration GS-RA-43: the U.S. Coast Guard has not released this illustration.

Question

Referring to illustrated diagram, what type of HVAC system is shown? Illustration GS-RA-43

Illustration GS-RA-43: the U.S. Coast Guard has not released this illustration.

Accepted Answer

Option C: A dual duct system. Dual duct HVAC systems utilize separate warm air and cold air supply ducts running parallel throughout the space. Terminal mixing boxes blend these airstreams proportionally to achieve precise individual compartment temperature control.