AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam

In Alaska, what is the primary risk of inadequate ventilation in a building with multiple fuel-burning appliances?

Excessive noise from the appliances Negative pressure causing backdrafting of combustion gases including carbon monoxide into living spaces Overheating of the building Increased humidity from combustion

Correct Answer:

Negative pressure causing backdrafting of combustion gases including carbon monoxide into living spaces

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