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A supplemental dehumidifier is integrated with the home’s HVAC air handler to provide extra dehumidification when needed
A ventilation controller with a manual override is located on a central air handler fan that is located in an accessible location
Air flow is produced when central HVAC fan is energized (set thermostat to “fan”)
Continuously-operating ventilation & exhaust fans include readily accessible override controls
Cool air flow is produced when the cooling cycle is energized (set thermostat to “cool”)
Ductless indoor units like this one are controlled individually by handheld remote controllers.
Function of ventilation controls is obvious (e.g., bathroom exhaust fan) or, if not, controls have been labeled
Heated air flow is produced when the heating cycle is energized (set thermostat to “heat”)
The ventilation controller is next to the thermostat and has a manual override button
This bath exhaust fan ventilation control can be set by the HVAC technician for continuous operation, delayed shut off, or a set amount of minutes each hour
This home’s balanced fresh air system includes a filtered fresh air intake that is wired to the central HVAC system with timer controls while exhaust fans in the kitchen, bathrooms, and laundry room pull stale and moist air from the home.