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NATE Heat Pump Exam Question and answers 2023 verified to pass(UPDATED)
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NATE Heat Pump Exam Question and answers 2023 verified to pass(UPDATED)Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode - correct answer B: Cooling mode Heat pumps can prov...
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