Quote:
Originally Posted by Humming Bird
A friend told me to never turn off the unit because mold will grow on the pads. I want to use it only when needed (afternoons, etc.). Do I really have to keep it on all the time?
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Your friend is wrong. Worse, they don't have a clue.
The pads are exposed directly to the air. They will dry out in a matter of minutes once the cooler is turned off.
When you are not home, leave the cooler off. Sure, the house will be warm when you get home, but unlike a closed, refrigerated air system, the swamp cooler can take all the warm air in the house and replace it with, at least, ambient air in a few minutes. After that, it will get cooler as the pads get saturated.
Quote:
Originally Posted by Humming Bird
I am new to NM and have rented a home with a swamp cooler. The settings available to me are HI Cool, Low Cool, Hi Vent, Low Vent, Pump Only and Off.
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What your settings mean:
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Pump Only -- runs the water over the pads. This is sometimes used to keep the cooler from sucking in warm air from outside without first cooling it. I find this a pretty useless setting.
HI Cool -- Fan runs fast. Runs the fan and the pump at the same time. It cools the air as it brings it into the house.
Low Cool -- Fan runs slow. Runs the fan and the pump at the same time. It cools the air as it brings it into the house.
Hi Vent -- Fan runs fast. Runs the fan but not the pump.. It brings the outside air into the house.
Low Vent -- Fan runs slow. Runs the fan but not the pump.. It brings the outside air into the house.
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Use the "cool" settings when the inside of the house is too warm for you and the outside air is hot. The Swamp cooler will "cool" the air by passing it through wet pads - causing the air to evaporate some of the water which cools down the air at the same time.
The effectiveness depends on how dry the air is, but can bring in air 25-30 degrees cooler than it was to start with.
Use the "Vent" setting when the inside of the house is too warm for you and the outside air is "nice" like when it is raining or well into the night or in the early morning.
Use the "High" setting if the "Low" setting is not getting the job done for you.
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Running the swamp cooler with the pump on ( the "Cool" setting ) does not cost significantly more money than not running the pump.
It will make the air more humid, so it is not wise to use it when it is raining outside. It will make the air too cool if it is already at a decent temperature ( frequently written as "descent" in this forum - don't be fooled by the difference).
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The beauty of running a swamp cooler is the fact that you can run it for hours a day at less than 1/4th the cost of refrigerated air. Also, since it doesn't run 24x7, you save even more money. For someone who is only home during the evenings, a swamp cooler can cost 1/10th that of refrigerated air that runs whilst you are away from home at work.