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HVAC (EPA Certification Exam Section 608) Questions and Answers Actual Test Verified A+
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HVAC (EPA Certification Exam Section 608) Questions and Answers Actual Test Verified A+ How many types of HVAC certifications are there? - There are 4 types. What does a metering device do? - The metering device causes a reduction in pressure, and therefore a reduction in saturation temperatu...
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