NATE Exam: Air Conditioning and Heat Pumps questions with correct answers

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above CORRECT ANSWER d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% CORRECT ANSWER c (+15%) The maximum sensible cooling capacity of a heat pump should be within ____% of the calculated sensible heat gain of a structure with a large heating load. a. ±10% b. +15% c. -25% d. +25% CORRECT ANSWER d (+25%) The combined output of a heat pump and its auxiliary heat should not exceed the calculated heat loss of a home by more than ____%.