7 ways to make a homemade dehumidifier

Have you noticed yellowish or dark spots on the walls? Maybe it’s because of the humidity. In addition to identifying its origin, it is advisable to place a domestic dehumidifier in certain rooms to help reduce or prevent the consequences.

It is true that there are devices that perform this function. However, there are also cheaper and more ecological alternatives, since they do not consume electricity.

So, if you’re looking for a way to combat this problem at home, read on. Take note of how to make a homemade dehumidifier.

Problems caused by humidity in the house

Whether it’s home or office, the relative humidity level must be between 30% and 50%. But there are a few reasons why this percentage can be increased; the main ones are condensation and infiltrations.

In both cases the consequences are different. Objects can be affected, as well as people’s health.

In this order of ideas, the problems associated with a higher level of humidity include:

  • The quality of rest suffers.
  • it’s hotter inside the house.
  • Paint cracks, lifts and falls off.
  • there is greater presence of fungi and moulds.
  • to appear stains on the walls and the roof.
  • Bad smells in the environment and in stored clothing.
  • Furniture, clothes and other items can be damaged.
  • Increases the risk or symptoms of breathing problems (asthma, bronchitis, rhinitis).

What is a dehumidifier and how does it work?

There are several ways to deal with high humidity indoors. Obviously, The first thing to do is identify the cause.. Whether it’s a condensation problem, whether there’s a leak from the roof when it rains or a leak in a broken pipe.

But sometimes we find ourselves in naturally humid environments: basements or closed spaces without air circulation, among others. Then you may need to use a dehumidifier.

It is a device that extracts part of the humidity present in the environment. It works similar to an air conditioner, albeit for other purposes.

The process is like this:

  1. Humid air from the room enters the device.
  2. It passes through a cooling coil, condensing.
  3. It then reaches a disk, where a desiccant absorbs the moisture.
  4. The extracted moisture goes into a water tank.
  5. The air is heated before returning to the room.

There are different types of dehumidifiers on the market. The choice depends on the size of the space where it will be used.

The disadvantage of these devices is that, in addition to their cost, they increase the consumption of electricity. They must remain on constantly.

commercial dehumidifier.
Commercial dehumidifiers represent a significant investment of money to get them up and running.

How to make a homemade dehumidifier? 7 practical ideas

In addition to the aforementioned devices, you can make a homemade dehumidifier using natural products. Besides being less expensive, they don’t add to your electric bill. Let’s see what the alternatives are.

1. With coal

according to study conducted at a university in Peru, activated carbon it can be an option to control mold and high humidity levels. Its porous structure favors absorption. It also neutralises bad odours.

To make this homemade dehumidifier you will need the following materials:

  • 1 plastic bottle (empty) or 1 can or can (can be coffee).
  • Charcoal, in sufficient quantity to fill half of the container.
  • 1 knife or 1 screwdriver.

The procedure is very simple: just poke a hole in the container and fill it halfway with charcoal. So it is in the place where there is moisture. It is recommended to change the carbon regularly, every 15 to 30 days.

An alternative to making this homemade dehumidifier is to use small cloth bags (it can be jute or burlap). In this case, the pieces of coal should be smaller. You can place them in different corners of the house or hang them on doorknobs.

2. With coarse salt

Salt is another element widely used to combat humidity problems.. Preferably coarse salt is used which, in addition to its applications in the kitchen, helps to absorb the water vapor present in the air.

You need the following:

  • Coarse salt (from 100 to 150 grams).
  • 1 empty can (no lid) or 1 bottle (must be clean).
  • Piece of cloth (may be an old sock).

To make this homemade dehumidifier you have to follow a procedure similar to the previous one:

  1. Drill a few holes in the tin base (not many). If you use a bottle, you can cut it in half and put it upside down, in the shape of a funnel, making a hole in the lid.
  2. Place the cloth and add the salt.
  3. Locate the home dehumidifier in a humid space.

But you need to position it so that air can circulate, i.e. that the holes underneath are not covered. The salt should be replaced every week or every 10 days; at least 3 times a month.

In a research conducted in Panama to test building materials, it emerged that slabs made with natural fibers, combining coconut tow, rice starch and rock salt, help reduce relative humidity.

3. Baking soda

In addition to the multiple uses for cleaning the house, you can use baking soda to make a homemade dehumidifier. The procedure is similar to the two described above, even if it is preferably done with gauze bags.

They are placed in the corners of wet rooms, in drawers or wardrobes. Not only is it effective at fighting humidity, but it deodorises and creates an environment that inhibits the growth of microorganisms.

4. With plaster

This is a very simple home dehumidifier to make and use. A few chalks are enough to write on blackboards, white or colored. They are placed in a tulle or gauze bag, that is, a breathable fabric.

Close the bag tightly. You can add a string for hanging.

It is used to combat humidity in the wardrobe, preventing clothes from smelling bad; even in the car. As in the previous cases, it is necessary to check from time to time if it is necessary to change the chalk.

5. Calcium chloride

Calcium chloride or calcium chloride It is a salt used in the food industry for processed foods and precooked, preserved and canned. It is also applied for wastewater treatment and is an ingredient in the production of cellulose and polymers.

You can make a homemade dehumidifier with calcium chloride. It is recommended to use the industrial type, which has higher absorption properties.

Follow these steps:

  1. Take an empty plastic bottle and cut it.
  2. Add half the calcium chloride.
  3. Place a piece of tulle or similar fabric to cover the container. You can use an eraser or tape to secure the fabric.
  4. Place the container in the corners where there is a concentration of humidity.
  5. Empty the container when you see it filled with water.

The good thing about this home dehumidifier is that You can save the chloride by letting it dry in the sun for reuse. However, over time it loses its properties, so it will be time to change later.

In Education It should be noted that this compound has been used, together with activated carbon and silica gel, for refrigeration and dehumidification systems, powered by low temperature heat, proving to be an efficient absorbent.

6. With rice

Maybe you didn’t know that, in addition to being an excellent companion to your dishes, you can use rice to remove humidity and bad smells from furniture, combining it with other ingredients we have already seen.

You need the following:

  • Sodium bicarbonate.
  • Container without lid.
  • plastic type movie.
  • Ribbon or rope.
  • Coarse salt.
  • Rice.

Put some baking soda, rice and salt in the bowl, in equal proportions. The amount needed will depend on the humidity level and space. It could be a cup of each of these ingredients. Mix well.

Then cover with paper movie, secure with tape or string and punch several holes. Place in the place where you need to adjust the humidity. From time to time you should check how wet it is, to replace the mixture.

7. With plants

In addition to helping you decorate and liven up your space, there are indoor plants that absorb moisture. Among the varieties that best perform this function we can mention:

  • Cactus.
  • Ivy.
  • Mint.
  • ribbons.
  • Calathea.
  • ferns.
  • tillandsias.
  • Aerial carnation.
  • Bamboo palm.
  • Peace Lily.
Peace Lily is a home dehumidifier.
Peace lily helps absorb moisture from the environment.

Other measures to combat humidity

In addition to these homemade dehumidifiers, there are some tricks to get rid of the humidity in your home that you can apply that are quite effective. Consider the following recommendations:

  • Do not store clothes inside the house. If possible, always do it outdoors.
  • open windows and doors every day, even those in the closets.
  • Separate the furniture from the wallsto circulate the air.
  • When you paint the walls, add some whitewash to the paint.
  • Spray the corners with vinegar where moisture builds up to prevent mold growth.
  • Keep an eye out for plumbing leaks and leaks and repair them before moisture reaches other spaces.

Effectiveness of home dehumidifiers

Home dehumidifiers like the ones just described have a few advantages. They are easy to make, do not consume energy and help take care of the environment.because they are made with natural ingredients.

However, they are not as powerful and their effectiveness is limited to small spaces and corners. So if you have a serious moisture problem, in addition to identifying and addressing the cause, you may need to purchase and use an appliance.

The post 7 ways to make a homemade dehumidifier appeared first in research-school.

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