SC HVAC Contractor Practice Questions - South Carolina HVAC Contractor License Exam

What is the purpose of a variable refrigerant flow (VRF) system in commercial applications?

To use more refrigerant To provide simultaneous heating and cooling to different zones with precise temperature control To eliminate the need for ductwork in all applications To replace the building's electrical system

Correct Answer:

To provide simultaneous heating and cooling to different zones with precise temperature control

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