Exam (elaborations)
Esco Heat pump exam Questions and Verified Answers | Passed | A+
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1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); : C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" : D: demand defrost only happens when needed, and ti...
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