How to Use a Dehumidifier (with Images)

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How to Use a Dehumidifier (with Images)
How to Use a Dehumidifier (with Images)

Video: How to Use a Dehumidifier (with Images)

Video: How to Use a Dehumidifier (with Images)
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Dehumidifiers are equipment designed to regulate the amount of moisture in the air in a given space. These machines have portable or fixed versions and can be used to reduce the level of relative humidity in the home, reducing the presence of allergies or other respiratory problems, creating a more comfortable environment.

Steps

Part 1 of 5: Choosing the dehumidifier for your needs

Use Dehumidifier Step 1
Use Dehumidifier Step 1

Step 1. Choose an appliance that is suitable for the size of the room

The best option will depend on the size of the room you want to dehumidify. Measure the square footage of the place and match it to the size of the dehumidifier.

Use Dehumidifier Step 2
Use Dehumidifier Step 2

Step 2. Choose the correct capacity for the dehumidifier

In addition to the size of the room, these appliances are categorized according to the level of humidity in the room. This is measured according to the amount of liters of water that will be extracted in a 24-hour period. The result will be an environment with the right humidity level.

  • For example, a very humid 45 m² room would need a 20-25 liter dehumidifier. Consult a shopping guide to determine the right power for your needs.
  • The dehumidifiers can accommodate up to 20 liters every 24 hours in a space of 230 m².
Use Dehumidifier Step 3
Use Dehumidifier Step 3

Step 3. Use a large dehumidifier for a large room

This can help you remove moisture more quickly and you won't need to empty the reservoir very often. However, larger machines are more expensive and use more energy, increasing overall costs.

Use Dehumidifier Step 4
Use Dehumidifier Step 4

Step 4. Buy a special dehumidifier for certain types of environments

If you need one for a spa room, pool house, shed or other space, buy a dedicated dehumidifier. Consult a building supply store to find it.

Use the Dehumidifier Step 5
Use the Dehumidifier Step 5

Step 5. If you plan to move your room dehumidifier frequently, consider a portable model

These devices usually have wheels on the base or are light and easy to transport. This will also allow you to move it around the room.

If you need to dehumidify several rooms in the house, consider installing a dehumidifier in the ventilation system rather than buying a single appliance

Use the Dehumidifier Step 6
Use the Dehumidifier Step 6

Step 6. Consider the features required for the machine

Modern devices have many options and configurations, and the more expensive, the more options. Some of the potential roles include:

  • Adjustable humidistat: This option allows you to control the humidity in the room. Set the humidistat to the ideal relative humidity and the machine will shut off when it is reached.
  • Built-in hygrometer: This instrument reads the humidity level and helps you set up the dehumidifier to maximize water draw.
  • automatic shutdown: Many dehumidifiers will automatically turn off after reaching the humidity level or when the water reserve is full.
  • automatic defrost: If a dehumidifier is overused, ice can build up on the machine's coils, damaging its internal components. An automatic defrost option will keep the unit's fans turning to melt the ice.

Part 2 of 5: Choosing when to use a dehumidifier

Use the Dehumidifier Step 7
Use the Dehumidifier Step 7

Step 1. Use a dehumidifier when the environment feels damp and musty as the humidity level is likely to be high

This device can restore optimal relative humidity. If the walls feel damp to the touch or have mold stains, the machine should be used frequently.

A dehumidifier will be needed if your home has been flooded. Use it constantly to remove excess moisture from the air

Use Dehumidifier Step 8
Use Dehumidifier Step 8

Step 2. Use a dehumidifier to improve health conditions such as asthma, allergies and colds

A dehumidified environment can make some people breathe better and improve symptoms of sinusitis and coughing.

Use Dehumidifier Step 9
Use Dehumidifier Step 9

Step 3. Use a dehumidifier in summer in humid climates

This season can produce uncomfortable conditions and make rooms feel wet, so use the device to maintain a more optimal relative humidity level indoors.

A dehumidifier works in parallel with the air conditioner, making it more efficient in maintaining room temperature. This can also lower your electricity costs

Use Dehumidifier Step 10
Use Dehumidifier Step 10

Step 4. Only use a few types of dehumidifiers in colder climates

Many of these appliances, such as compressor dehumidifiers, are not very efficient when the air temperature is below 18º C. These climates increase the possibility of frost buildup on the appliance coils, impairing its efficiency and potentially damaging it.

Desiccant dehumidifiers are effective in cold spaces. If you need to dehumidify a cold environment, buy a device designed to work at low temperatures

Part 3 of 5: Placing the dehumidifier in a room

Use Dehumidifier Step 11
Use Dehumidifier Step 11

Step 1. Allow air to circulate around the dehumidifier

Most appliances can be placed against a wall as long as they have the air discharge on top. If your machine does not have this option, make sure that air is circulated around it and do not place it against a wall or furniture. Circulation will make it work more effectively.

Try to leave 15-30 cm of space around all sides of the machine

Use Dehumidifier Step 12
Use Dehumidifier Step 12

Step 2. Position the hose carefully

If you are using a hose to drain the water tank, position it so that it rests against a sink and does not fall over. Check it periodically to make sure it is draining the water properly from the sink. Use string if the hose does not want to stay still.

  • Keep the hose away from electrical outlets and cords to prevent shock.
  • Use a short hose so that no one can trip over it.
Use Dehumidifier Step 13
Use Dehumidifier Step 13

Step 3. Keep the dehumidifier away from equipment that can create dust and dirt particles, such as saws and other utensils

Use Dehumidifier Step 14
Use Dehumidifier Step 14

Step 4. Install the dehumidifier in the wettest environment in the house

The rooms that normally retain the most moisture are bathrooms, laundry rooms and basements. These are the most typical locations for installing dehumidifiers.

Dehumidifiers can also be used on moored boats

Use the Dehumidifier Step 15
Use the Dehumidifier Step 15

Step 5. Install the dehumidifier in an environment

The most effective way to use the device is to concentrate it in an environment with closed doors and windows. Placing it on a wall between two rooms will decrease its efficiency, causing the device to wear out more.

Use the Dehumidifier Step 16
Use the Dehumidifier Step 16

Step 6. Place the dehumidifier in the center of the room

There are models installed on walls and portable ones. If possible, place the device close to the center of the room so that it operates more efficiently.

Use the Dehumidifier Step 17
Use the Dehumidifier Step 17

Step 7. Install the dehumidifier in the house's ventilation system

There are devices suitable for this type of installation, sold with duct kits and other accessories.

It is best to hire a professional for this type of installation

Part 4 of 5: Operating a dehumidifier

Use the Dehumidifier Step 18
Use the Dehumidifier Step 18

Step 1. Read the user manual to familiarize yourself with the instructions for using your machine

Keep the manual in a place where it can be easily consulted.

Use the Dehumidifier Step 19
Use the Dehumidifier Step 19

Step 2. Measure the humidity level with a hygrometer

The ideal relative humidity (RH) level is typically between 45-50% RH. A value above this threshold can favor mold growth, while a value below 30% can cause structural damage such as cracks in the ceiling, separation of wooden floors and other problems.

Use the Dehumidifier Step 20
Use the Dehumidifier Step 20

Step 3. Plug the dehumidifier into a three-plug grounded outlet

Do not use an extension cord. If you don't have the proper connection, hire an electrician to install it.

  • Always turn off the dehumidifier by pulling the connector, never the cable.
  • Do not bend or crush the power cord.
Use the Dehumidifier Step 21
Use the Dehumidifier Step 21

Step 4. Turn on the dehumidifier and adjust the settings

Depending on the model, you can adjust the relative humidity level, measure the hygrometer readings, etc. Keep the device turned on until you reach the ideal RH level.

Use the Dehumidifier Step 22
Use the Dehumidifier Step 22

Step 5. Run the dehumidifier for several cycles

The first use will be the most productive, removing most of the excess water from the air in the first hours, days or weeks. After the first round, however, you're just maintaining the proper humidity level, not trying to drastically lower it.

You will be able to adjust the desired humidity level as soon as you turn on the device

Use the Dehumidifier Step 23
Use the Dehumidifier Step 23

Step 6. Close the room windows and doors

The larger the location, the harder the dehumidifier will need to work. If you close the room with the device inside, it will only remove moisture from the room.

If you're dehumidifying a bathroom, consider sources of additional moisture. Keep the toilet lid down so that the appliance does not draw water from it

Use Dehumidifier Step 24
Use Dehumidifier Step 24

Step 7. Empty the water reserve tray frequently

Dehumidifiers produce a lot of water, depending on the relative humidity of the environment in which they are operating. If you are not using a hose to drain the reserve, you will need to empty it regularly. The machine should automatically shut down when the level is full to prevent leakage.

  • Disconnect machine from power before removing water.
  • Monitor the reserve from time to time in a very humid environment.
  • Consult the manufacturer's instructions to determine the approximate frequency of emptying.

Part 5 of 5: Cleaning and Maintaining the Dehumidifier

Use the Dehumidifier Step 25
Use the Dehumidifier Step 25

Step 1. Read the machine owner's manual to familiarize yourself with the necessary care

Keep it in an easily accessible location for easy reference.

Use the Dehumidifier Step 26
Use the Dehumidifier Step 26

Step 2. Turn off and unplug the machine from the wall outlet before cleaning it

This will prevent you from getting electrical shocks.

Use the Dehumidifier Step 27
Use the Dehumidifier Step 27

Step 3. Clean the water buildup in the reserve

Remove the tray and wash it with warm water and mild detergent. Rinse it well and dry it with a clean cloth.

  • Clean this part at least once every two weeks.
  • Add a deodorant tablet if the reserve has a strong odor. These tablets can be found at home improvement stores and dissolve in water as the reserve fills.
Use the Dehumidifier Step 28
Use the Dehumidifier Step 28

Step 4. Check machine spools at all stations

Dust on the coils can degrade the dehumidifier's efficiency, causing it to strain harder. Dust can also freeze in the device, damaging it.

  • Vacuum and clean the coils every month to keep it free of dirt. Use a cloth to remove dust.
  • Also check for any ice buildup on the coils. If you find ice, make sure the dehumidifier is not on the floor as this is the coldest point in the room. Support it on a shelf or chair.
Use the Dehumidifier Step 29
Use the Dehumidifier Step 29

Step 5. Take out the air filter every six months to inspect it

Look for holes, tears, and other perforations that can diminish its effectiveness. Depending on the type of filter used, it may be possible to clean and reinstall it in the machine. Some filters need to be replaced, so refer to the manufacturer's instructions for details specific to your device.

  • The air filter is usually located on the dehumidifier grill. Remove it by opening the front panel.
  • Some manufacturers recommend more frequent checks depending on machine usage. Consult the manufacturer's manual to find specific instructions for your machine.
Use the Dehumidifier Step 30
Use the Dehumidifier Step 30

Step 6. Wait 10 minutes before restarting the dehumidifier

Avoid short cycles and ensure the device's longevity by turning it off for 10 minutes before turning it on again.

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