Exam (elaborations)
NATE Gas Heating Exam Questions and Answers Latest [100% correct answers] 2024
- Module
- Institution
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% - Answer-C: 78% Many pre-1992 furnaces have efficiencies around _______. A: 10% B: 40% C: 60% D: 80% - Answ...
[Show more]