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NATE Gas Heating Exam questions with correct answers $13.99   Add to cart

Exam (elaborations)

NATE Gas Heating Exam questions with correct answers

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  • NATE
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  • NATE

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% CORRECT ANSWER C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 4...

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  • March 18, 2023
  • 19
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
  • NATE
  • NATE
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