A homeowner says the air conditioner "makes cold and blows it into the house." What is the technically correct description of what the equipment actually does? A It moves heat from the indoor air to the outdoor air, because heat always flows from a warmer body toward a cooler one. B It creates cold inside the evaporator and distributes that cold through the ductwork. C It converts indoor heat into cold energy that is stored in the refrigerant charge. D It destroys heat energy inside the compressor and discharges what is left outdoors.
Practice questions based on the published NATE knowledge areas and standard HVACR theory and service practice. NATE is a mark of North American Technician Excellence; this site is not affiliated with or endorsed by NATE. NATE certification is not a licence — HVAC licensing is set by your state and locality. Confirm current exam requirements with NATE and current code requirements with the authority having jurisdiction.
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