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NATE Gas Heating Exam 2026 – Gas
Heating Certification Study Guide,
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2026/2027 Update
NATE GasNATE
Heating
Gas
Exam
NATE
Heating
2026
Gas
Exam
–
Heating
Gas
2026
Heating
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– Gas
2026
Certification
Heating
– Gas Certification
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HeatingGuide,
Certification
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Practice
Guide,
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Questions
Practice
Guide,Questions
& Practice
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&2026_2027
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,NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf
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%
NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf
,NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf
Many pre-1992 furnaces have efficiencies around _______.
A: 10%
B: 40%
C: 60%
D: 80%
C: 60%
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, NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf NATE Gas Heating Exam.pdf
Today, furnaces with AFUE ratings greater than _____ are available.
A: 85%
B: 90%
C: 100%
D: 110%
B: 90%
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