A refrigeration system used in HVAC service, that can provide both heating and cooling, is a
a. Run around system
b. Heat valve
c. Heat pump
d. Regenerative system
e. Thermal wheel
Answer: c
A refrigeration system used in HVAC service, that can provide both heating and cooling, is a
a. Run around system
b. Heat valve
c. Heat pump
d. Regenerative system
e. Thermal wheel
Answer: c