Your house already has an air conditioner, so you are wondering whether you should buy a dehumidifier to dehumidify the air in your house or not? Are you looking to buy a device to dehumidify during the humid season, so that every time you enter the house you no longer feel uncomfortably wet, but are confused between a dehumidifier and an air conditioner? Then refer to our article to compare dehumidifiers and air conditioners, from there decide which one to buy!
How does a dehumidifier work?
The cooling part of the machine will suck in humid air and condense it into water, then the remaining air will escape. The dehumidifier operates continuously like this to help create air with the most suitable humidity level to prevent mold from growing, reduce the risk of illness for children, prevent wet floors, and damage electronics, machinery, etc.
How does air conditioning dehumidify?
When the air conditioner operates in Dry mode, the fan and internal components of the unit still run. However, the evaporator will not blow out cold air like in Cool mode. The air with water vapor in the room passing through the unit will condense.
Comparison of dehumidifier and air conditioner
| Air conditioning | Dehumidifier | |
| Advantage | Does not take up extra space in the house, especially for houses that do not have much space. | Can choose the appropriate humidity in the room, does not dry out the humidity like air conditioning, so the skin and respiratory system will also be better protected than air conditioning |
| No extra cost to buy a dehumidifier if your home already has air conditioning | Easily move the machine to where you want to dehumidify | |
| Condensed water flows out by itself, no need to pour water | Consumes less electricity | |
| Quick drying | Equipped with air filter, making the air fresher | |
| Can dry clothes, socks, handkerchiefs, shoes... | ||
| Many machines have a timer that turns them off. You can set this to turn them off when you leave the room, saving energy. | ||
| Disadvantages | Dehumidifying with air conditioner will consume more electricity | You will have to spend extra money to buy a dehumidifier even if your house has air conditioning. |
| The air conditioner will dehumidify the dry air to the temperature you have selected. If the humidity is too low, the skin will become dry, the respiratory system will also be affected and it will feel colder. | Although today's dehumidifiers are designed to be compact, in reality, they still take up space in the room. | |
| Have to go pour water when the tank is full of water |
| Price | 6-30 million | 1.5 -15 million |
Should I buy a dehumidifier?
Although the air conditioner has a good dehumidifying mode (Dry), it is only a temporary dehumidification mode. When used for a long time, it will have disadvantages related to cost, health and the life of the air conditioner.
The dehumidifier is specially designed for dehumidification, so the amount of water absorbed is higher. In addition, the dehumidifier also works more efficiently and has a larger capacity, allowing the humidity threshold to be set very low, up to about 30%, avoiding wasting electricity.
The dehumidifier will handle excess moisture perfectly, you will no longer have to worry about high humidity in the air - the main cause of mold and bacteria growth, affecting health.
Therefore, if you only want to dehumidify the air, especially during the humid season (February & March every year), you should choose a dehumidifier.
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