Exam (elaborations)
NATE GAS HEATING EXAM QUESTIONS WITH CORRECT ANSWERS
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NATE GAS HEATING EXAM QUESTIONS WITH CORRECT ANSWERS Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - -C: 78% Which of the following is a natural result of ...
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