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Air Conditioning Effectiveness

Posted By: ScubaLdy

Air Conditioning Effectiveness - 08/08/07 05:29 PM

Can some of you help me? I am forced to use the air conditioner on a somewhat regular basis right now. I do not understand the energy usage.
For instance does it matter what fan speed it is set on?
Do higher fan speeds use more current?
Does setting it in the economy mode really save energy?
Is it better to let it run all the time to maintain a level temperature or turn it off when I leave the room?
Should all ACs be run occasionally?

I have three wall units; one in each bedroom and one in the great room. I mostly only run the one in the bedroom where I sleep and where my computer room is. I am dreading getting my next electric bill.

All reasonable suggestions appreciated.
Posted By: ckocian

Re: Air Conditioning Effectiveness - 08/08/07 07:05 PM

It's the cold air that causes high electric bills. Fan speed (just moving the air in the room) won't make a huge difference in the cost. Part of the a/c unit's ability to cool the air is its ability to also remove humidity.

In a corrosive environment, you should run your equipment occasionally.

Setting your thermostat to a higher temperature will cut down on the cost. If you turn off the a/c to leave for periods of time, the air will heat up and the units will work harder when you re-start them so it's kind of a six of one, half-dozen of the other decision either way.
Posted By: Short

Re: Air Conditioning Effectiveness - 08/08/07 07:46 PM

Don't run your ac too cold; when the ac is in Celsius, 26 or 27 is more than enough.
When you leave a room for more than an hour, switch the ac off (air circulates constantly in and out of the house).
Buy and run (ceiling) fans they can cut your cost with 50%, as you don't need to set the ac that high.
Run the acs in the rooms you don't use for a half an hour every week or 2 weeks, just to keep them in a working condition - you might also want to run them to prevent mold.
Do not run the ac in the room with your computer too cold, as when you turn it off vapor can spring from metal parts.
Posted By: ScubaLdy

Re: Air Conditioning Effectiveness - 08/08/07 11:14 PM

Thanks everyone - I never set mine lower that 76 - mostly 78
Posted By: dabunk

Re: Air Conditioning Effectiveness - 08/08/07 11:35 PM

Keeping fans on in the room to circulate the cold air helps the room to feel cooler, then use lower setting on the AC unit.
Posted By: Laguna Punta

Re: Air Conditioning Effectiveness - 08/10/07 02:05 PM

Elvis always lined the windows with aluminum foil.
Posted By: elbert

Re: Air Conditioning Effectiveness - 08/10/07 03:28 PM

Is Elvis back on the Island?
We haven't had any sightings reports in a while
Posted By: ScubaLdy

Re: Air Conditioning Effectiveness - 08/10/07 08:23 PM

I thought the aluminum foil was used on crack houses?
Posted By: Laguna Punta

Re: Air Conditioning Effectiveness - 08/11/07 12:14 PM

Elbert: Dennis Wolfe has a great original song about Elvis living on Ambergris Caye. Dennis sings it very sincerely...so, obviously it must be true. Harriette: Aluminum foil really helps keep the heat out in the summers...saves $, wish is the object of this thread. I didn't realize aluminum foil was used on crack houses...although my neighbors have been giving me the cold shoulder, lately. ------------------------------------------------------------------Bill I'm forever blowing bubbles.
Posted By: seaexplore

Re: Air Conditioning Effectiveness - 08/12/07 06:37 PM

actually, foil is used on windows in pot houses here in California to help keep the heat/humidity in and law enforcement out. Nothing like seeing foil lined windows to tip off to the possibility of a crop! We've had a HUGE number of pot raids in North/central Cali recently.
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