“Since the exterior air is hotter why do we need to use the intake hose? When exterior air is cooler we don't need the A/C and just open doors and windows and use fans . Will it improve performance? We only need A/C on rare hot days & eves.”
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The unit does not draw air from the outside to be used inside your house. It draws air from the outside to cool the condenser side of the a/c system then exhausts the same air back outside. The air in your house is recirculated through the top evaporator side if the unit and that is what removes the heat in your house.
Sorry, there was a problem. Please try again later.Hello Ricardo,
Operationally, a dual hose portable air conditioner has two main advantages over a single hose unit; it can help cool a room faster and help minimize negative air pressure. If the outside temperature is much higher or more humid than the room, the intake hose can be covered with the included cover and it will function like a single hose unit.
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