Air Purifier vs Dehumidifier: Difference and Comparison

When we clean our homes and change stuff from one place to another, we suffer from the contaminated air. It has a solution by modern technology. The air purifier and dehumidifier will remove the dust and small polluted particles in the air. It makes the air suitable to breathe. Allergic and asthma patients may use the air purifier and dehumidifier. Both have excellent features, and many brands are available.

Key Takeaways

  1. Air purifiers are designed to clean and purify the air, while dehumidifiers are used to reduce the moisture levels in the air.
  2. Air purifiers help eliminate allergens and pollutants, while dehumidifiers can help prevent mold and mildew growth.
  3. Air purifiers can be used in any room, while dehumidifiers are best suited for use in humid areas like basements and bathrooms.

Air Purifier vs Dehumidifier

An air purifier is a device designed to remove impurities such as dust, pollen, and pet dander from the air. Air purifiers use filters or other technologies to capture particles and improve air quality. A dehumidifier is used to reduce the level of humidity in the air by removing excess moisture.

Air Purifier vs Dehumidifier

The air purifier is an air cleaner that can clean the air by removing dust particles. It improves the air quality for better breathing. The contaminated air can cause breathing-related diseases like asthma. The air purifiers are for two purposes: for homes and factories. The air purifiers for homes are smaller in size, and for factories, they are giant. The air purifiers are produced by techniques called pressure swing adsorbers or other adsorption techniques.

The dehumidifier is an electronic device used to maintain the humidity range. Generally, it is used for medical or comfort speculations. The dehumidifier can eliminate the poor odour and inhibit the growth of fungus by extracting water from the air. The dehumidifiers are used in households, factories, storage warehouses, and swimming pools. A dehumidifier is an electrical appliance that needs electricity to run.

Comparison Table

Parameters of comparisonAir purifierDehumidifier
ApplicationThe air purifier can remove the dust particles and clean the air.The dehumidifier can maintain the humidity levels in the room.
BenefitsAir purifiers clean the air.Dehumidifiers reduce poor odor.
Humidity levelThe humidity level for air purifiers vary.The humidity level for the dehumidifier is above 50%.
Filtration stageThe air purifier has a multi-stage.Dehumidifiers have a single-stage.
Turbulence levelSoft to loudAverage to loud
CleaningIt needs quarter or annual cleaningIt needs regular cleaning.

What is Air Purifier?

From 1830 to 1850, many people got the patent for air purifiers with different mechanisms. The first residential or industrial air purifiers were sold by HEPA in Germany in 1963 by brothers Manfred and Klaus Hammes. Air purifier aims to remove dust, powder, pet wrath, fungus spores, and insect excretions that can act as allergens, triggering allergies in sensitive people. It also excludes the smoke particles and volatile organic compounds (VOCs) that may cause death.

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The air purifier has two types of air purifying technologies. They are active and passive methods. Active air purifiers discharge negatively charged ions into the air, causing pollutants to attach to coverings, while passive air purification units use air filters to remove pollutants. Passive purifiers are recommended cause it is more effective than active purifiers. The passive purifier can eliminate the dust permanently and collect it in the filters. Despite many techniques being available, High-Efficiency Particulate Air(HEPA) has been used since 2005.

The air purifier can pressure the air in the room and trap the dust in the filters by various methods. They are Ultraviolet germicidal irradiation, Activated carbon, Photocatalytic oxidation, Ionizer purifiers, and Reactive Oxygen Species (ROS) Technology. The air purifier produces ozone that is harmful to the environment. Many people raise their voices against withdrawing the air purifiers producing ozone.

air purifier

What is Dehumidifier?

The dehumidifier can extract the water from the air and maintain the moisture content. In 1902, American inventor Willis Carrier introduced his first dehumidifier. Refrigeration is the most common method used in dehumidifiers. The evaporators in the refrigerator can draw moisture from the air. There are three types of evaporators used in dehumidifiers. They are coiled tunnel, blade and device, and microchannel technology.

There are two types of dehumidifiers. They are condensation dehumidifiers and desiccant dehumidifiers. The condensate dehumidifiers act as refrigerators to collect the water, which is called greywater. Many industries make this greywater into portable drinking water using reverse osmosis filters. Desiccant dehumidifiers are absorbent. It mixes moisture with silica gel and is portable for home use only. Commercial units use a hot air recovery system to remove the humid air.

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The dehumidifiers are used in the construction sites to remove the mold and to maintain the humidity. In industries, it is used as a climatic chamber in the treatment plants to remove the settlement of fungus that causes damage to the products. Condensate gathering trays and receptacles may need special cleaning to remove trash buildup and prevent clogging of drainage passages. If you need to avoid microbial growth, then the device must be cleaned regularly.


Main Differences Between Air Purifier and Dehumidifier

  1. The air purifier can remove dust particles and clean the air, and the dehumidifier can maintain the humidity levels in the room.
  2. Air purifiers can clean the air, and Dehumidifiers can reduce poor odour.
  3. The humidity level for air purifiers varies, and the humidity level for the dehumidifier is above 50%.
  4. The air purifier has a multi-filtration stage, and Dehumidifiers have a single filtration stage.
  5. Air purifier needs quarterly or annual cleaning, and dehumidifiers need regular cleaning.
Difference Between Air Purifier and Dehumidifier

Last Updated : 31 August, 2023

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