Question: What is the switch beside the thermostat labeled “Ventilation Fan”?
Answer: This switch is to enable / override the principal exhaust fan for your home. This will draw out the air from inside your home to the exterior via the wall return grills located throughout your home. Please ensure that you keep an eye on this switch as you are manually over riding the exhaust fan and do not want to pre maturely de-acclimatized your home.

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