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Old 06-04-2007, 06:57 PM   #1
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Question Best air conditioner settings?

At what temperature do you keep your air conditioner? We just got a new wall unit. During the months of July, August and September it gets pretty humid here. I just read something that said to set the fan speed on high, except on very humid days. When humidity is high, set the fan speed on low. The low speed will make for a more comfortable room by removing moisture from the air.

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Old 06-04-2007, 08:20 PM   #2
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Don't forget June and late May. It gets pretty humid then too. I'd advise you not to use fan, as it gets really hot during the summer. I suggest low to high cool, which puts on the AC.
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Old 06-04-2007, 09:19 PM   #3
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Miss JoAnn....

The article you were reading interest me. Since an air condtioner is, in simple terms, just a big de-humidifier I am of the opinion that the fan speed setting does nothing to "remove moister from the air." Rather it only moves the air in a room to more evenly distribute it. As you know hot air rises and cold air falls. If you have the ability to direct the flow of air being produced by the fan, direct it in an upwards postion. Air is cooled by moisture being removed from the it, not the speed in which it (air) moves.
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Old 06-04-2007, 10:24 PM   #4
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Suggesting settings for an AC unit isn't practical under these conditions.

We don't know the size of the room, the capacity or location of the AC unit, the amount and type of furniture in the room, the amount of insulation in the walls and roof and the temperature outside.

An air conditioner does two things, cool the air and dehumidify it. Actually, cooling the air reduces its ability to hold moisture, which condenses and is discarded leaving you with cold and dry air.

The function of the fan is to circulate the air in the room to make temperatures uniform throughout all parts of the room. A higher speed fan setting will circulate the air faster, cooling all parts of the room faster up to the capacity of the AC unit.

Most AC units have an automatic temperature setting so it will work as necessary to maintain the temperature you set.
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Old 06-04-2007, 10:24 PM   #5
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Quote:
Originally Posted by Uncle Bob
Miss JoAnn....

The article you were reading interest me. Since an air condtioner is, in simple terms, just a big de-humidifier I am of the opinion that the fan speed setting does nothing to "remove moister from the air." Rather it only moves the air in a room to more evenly distribute it. As you know hot air rises and cold air falls. If you have the ability to direct the flow of air being produced by the fan, direct it in an upwards postion. Air is cooled by moisture being removed from the it, not the speed in which it (air) moves.
Uncle Bob, this is the web site that I got the info. from;

Tips for Lowering Your Room Air Conditioner`s Energy Usage

I have never had a wall unit before. It is just for one room. It is a 8000 BTU model Kenmore from Sears.
We had to put it on the southwest side of the house, (they don't recommend that) but we had no choice. Thanks for you help. JoAnn
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Old 06-04-2007, 10:47 PM   #6
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I am not sure JoAnn, we just set ours to the lowest possible setting that uses the least amount of power, and just go from there. The higher our setting, the more it cools but also uses more power. We have our ac in this computer room which is fairly small, so it doesnt take much to cool this room down. Not sure what size room you have to keep cool. Just play around with the settings. Of course the settings will change given your weather each day, humidity levels as well.
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Old 06-04-2007, 10:54 PM   #7
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From our experience, our house isn't air-conditioned. That is, except for the small unit in the kitchen and the one in our bedroom.

We keep the one in our bedroom ON all the time in a moderate setting. This seems to work quite well. Pretty well, since we live in an area that is quite high in humidity.

In our kitchen, we keep it at full "tilt" and have had no problems with how it cools/dehumiidifies. In all fairness, we also depend on the kitchen unit to cool our breakfast room and a part of the dining room, so it has a lot of work to do.

We also have ceiling fans that assist the air-conditioners.
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Old 06-04-2007, 10:59 PM   #8
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Quote:
Originally Posted by Andy M.
Suggesting settings for an AC unit isn't practical under these conditions.

We don't know the size of the room, the capacity or location of the AC unit, the amount and type of furniture in the room, the amount of insulation in the walls and roof and the temperature outside.

An air conditioner does two things, cool the air and dehumidify it. Actually, cooling the air reduces its ability to hold moisture, which condenses and is discarded leaving you with cold and dry air.

The function of the fan is to circulate the air in the room to make temperatures uniform throughout all parts of the room. A higher speed fan setting will circulate the air faster, cooling all parts of the room faster up to the capacity of the AC unit.

Most AC units have an automatic temperature setting so it will work as necessary to maintain the temperature you set.
The size or the bedroom is 14'x17' and it is on the southwest side of the house. We live in the upper midwest along the Mississippi river.
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Old 06-04-2007, 11:01 PM   #9
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Jo ann, does your AC have a thermostat where you can just set a temperature? If so, let the AC figure out how to best cool the room. Also, the instruction manual will offer relevant suggestions.
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Old 06-04-2007, 11:13 PM   #10
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Quote:
Originally Posted by Andy M.
Jo ann, does your AC have a thermostat where you can just set a temperature? If so, let the AC figure out how to best cool the room. Also, the instruction manual will offer relevant suggestions.
Andy, it has a remote control, that has a power button, a up and down button for setting the temp., a fan speed, timer and mode buttons. It looks like I have some more reading to do. It is a Energy Saver model.
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