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How to Make a Humidistat

A humidistat is a device that is used with a central air conditioning unit that provides cold air to prevent mold and mildew buildup. If you are using a window mounted air conditioner you can make your own humidistat by using a standard timer. Your timer will activate the air conditioner at specific times of the day to help control the humidity levels.

Things You'll Need

Humidity gauge
Appliance timer

Instructions

- 1
  Place the humidity gauge in the main room of your home. Read the display to determine the time of the day that humidity levels increase. Make a note of these times on a piece of paper.
- 2
  Set the day and time on the appliance timer. Program the appliance timer to turn on a the times that you noted on the paper. This can be every four to six hours.
- 3
  Position the air conditioner into the window, if it is not already set up. Unplug the power cord from the wall outlet.
- 4
  Plug the timer into the wall outlet. Plug the power cord for the air conditioner into the appliance timer.
- 5
  Power on the air conditioner and set it to the ̶0;Cool̶1; or ̶0;Dry̶1; setting -- if this option is available. Power off the air conditioner.
- 6
  Press the ̶0;Power' button on the timer to turn it on.

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