What is the primary function of the Combustion Appliance Zone (CAZ)?

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The primary function of the Combustion Appliance Zone (CAZ) is to isolate combustion appliances. This area is specifically designated to contain appliances that utilize combustion processes, such as furnaces, water heaters, and stoves, thereby isolating them from other parts of the building. This isolation is critical for several reasons.

First, it helps prevent the migration of combustion gases into the living space, which can pose health risks due to the presence of carbon monoxide and other harmful byproducts of combustion. Proper isolation also allows for more effective management of combustion byproducts and ensures that ventilation systems associated with these appliances can function correctly.

Moreover, by having a dedicated CAZ, it becomes easier to monitor and assess the performance of combustion appliances, facilitating maintenance and adherence to safety standards. This contributes to the overall efficiency and safety of the building's heating systems.

Ventilation, airflow, and temperature control are important aspects of building performance, but they serve different purposes. While proper ventilation is necessary to maintain indoor air quality, it is not the primary role of the CAZ. Rather, the CAZ is focused specifically on the safe operation and management of combustion appliances.

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