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What is the difference between applying roof fan and monitor?

What is the difference between applying roof fan and monitor?

Hi folks!! I wonder what the difference is between the roof fan and roof monitor. According to my company manual, it depends on client's preference. But I believe there are something more. Maybe applying roof monitor seems to be a better option to help discharge smoke plus provide natural lighting while roof fan looks cheaper option. Please help! THANKS in advance.

RE: What is the difference between applying roof fan and monitor?

The roof monitor will not work properly unless the building architecture is designed such that there is a stack effect.

The need for a roof monitor or ventilation fan will be dependent on the specific of the building design.

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