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NADCA Air Systems Cleaning Specialist
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Question #4
#4
Multiple Choice
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According to ACR, The NADCA Standard, proper cleaning and maintenance of an HVAC system:
A.
eliminates odors.
B.
adds to the life expectancy of a system.
C.
reduces noise pollution.
D.
adds to the value of the HVAC system.
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Exam ASCS Topic 1 Question 4
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