Laundry room AC speaks to Laundry room HVAC which provides heating, cooling and ventilating for laundry rooms.
When the outside air damper is open it will close a proving switch which will allow the gas fired equipment to function.
The outside air damper will be located in a separate room from which air will be drawn by the combustion sections of the gas fired equipment.
The gas fired equipment will be clothes driers and perhaps a gas fired pressing machine.
A heating, ventilating and air conditioning system will serve the laundry work area. It is usually a heat, cool fan coil or a heat pump. A wall mounted thermostat will control the temperature of the room.
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