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Question 1: During routine maintenance, why is it important to check the pressure switch settings?

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Question 2: How do you determine the correct size of an HVAC system for a specific building or room?

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Question 3: Why is sealing and insulating ductwork essential for HVAC energy efficiency?

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Question 4: What is the main purpose of the air handling unit (AHU) in an HVAC system?

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Question 5: What is the purpose of refrigerant recovery equipment certification under EPA regulations?

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Question 6: What could cause a water leak from the HVAC system?

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