NATE HVAC Certification Exam 2026/2027 –Verified Questions and Answers with Solutions

Exam

NATE HVAC Certification Exam 2026/2027 –Verified Questions and Answers with Solutions | A+ Graded Practice Material NATE HVAC CERTIFICATION EXAM ... Exam 2026 / 2027 Academic Year Q: 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 B: Cooling mode 2 Q: Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pump more efficient? A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode A: Heating mode Q: Which of the following components is exclusive to the heat pump? A: Condenser B: Oil separator C: Reversing valve D: Accumulator C: Reversing valve 3 Q: Which of the following airflow rates is the most reasonable for a heat pump system operating in the heating cycle? A: 200 cfm per ton B: 300 cfm per ton C: 400 cfm per ton D: 450 cfm per ton D: 450 cfm per ton Q: During the heat pump's cooling cycle, the outdoor coil is utilized as a _________ while the indoor coil is utilized as a____________. A: Condenser, evaporator B: Evaporator, condenser C: Compressor, accumulator 4 D: Accumulator, condenser A: Condenser, evaporator Q: Heat is present in winter outdoor air until the outside air ambient temperature reaches a low temperature of: A: 0 degrees F B: 32 degrees F C: 273 degrees F D: -459 degrees F D: -459 degrees F Technically this is true, but not practical. A heat pump is doing good to continue to work below 10 deg F unless specifically designed for lower temperatures. 5 Q: The heat pump utilizes: A: Two filter-driers with check valves B: One bi-flow filter-drier C: A single mono-flow filter-drier in the liquid line D: Some use the bi-flow filter-drier and others use two filter-driers with check valves D: Some use the bi-flow- filter-drier and others use two filter-driers with check valves Q: The correct way to size a heat pump is to perform both heating and cooling load calculations and select the heat pump size by: A: Adding the heating load and cooling loads B: Subtracting the smaller load from the larger load C: Using the heating load to size the system D: Using the cooling load to size the system D: Using the cooling load to size the system 6 Auxiliary electric heat is necessary because: A: It provides heat for the home during defrosts B: It provides heat for the home in the event of a heat pump failure C: It provides heat for the home if the heat pump is unable to meet the demand for heat D: All of the above D: All of the above Q: Reading a voltage across the contacts of the outdoor thermostat means: A: The thermostat contacts are closed B: The thermostat contacts are open C: The thermostat contacts are stuck D: The thermostat contacts are working correctly B: The thermostat contacts are open 7 Q: Which of the following is not a type of heat pump? A: Ground to air B: Air to air C: Water to air D: Direct coupled D: Direct coupled Q: The coefficient of performance is determined by: A: Dividing the output btuh by the input btuh B: Dividing the input btuh by the output btuh C: Multiplying the input by the output D: Subtracting the output from the input B: Dividing the input btuh by the output btuh The coefficient of performance or COP of a heat pump, refrigerator or air conditioning system is 8 a ratio of useful heating or cooling provided to work required. Higher COPs equate to higher efficiency. Q: The "balance point" of a heat pump is: A: The lowest temperature at which the heat pump can meet the heating requirement for the structure B: The lowest temperature at which the heat pump can operate C: The temperature at which the heat pump has the highest efficiency D: The point at which the heating and cooling loads meet A: The lowest temperature at which the heat pump can meet the heating requirement for the structure Which of the following is an incorrect term for the solenoid valve that switches the heat pump between the heating and cooling modes? A: Changeover valve B: Reversing valve 9 C: Four-way valve D: Discharge operator valve D: Discharge operator valve The best location for the outdoor section of an air to air heat pump is: A: Where it gets the winter sun B: Where it is sheltered from the sun's radiation C: Where it never snows D: Under the shelter of a porch A: Where it gets the winter sun What may happen if the body of a reversing valve is slightly dented? A: Nothing, as they are made to be very durable B: The internal slide may stick C: The valve may make noises from the gas trying to pass through partially open ports 10 D: Both b and c are correct D: Both b and c are correct The reversing valve has 4 pipe connections. One pipe connection is on one side of the valve and three pipe connections are on the opposite side. What is the center connection on the side with three pipe connections?

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