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Humidifier vs. Dehumidifier: Which One Should Buy?


Human health is intimately linked to the state of the environment because the right environment provides clean air. Choosing the perfect environment is a smart way as it will enhance your workplace by maintaining the right level of humidity depending on how humid or dry the air is. So, humidifiers and dehumidifiers serve the right purposes.

Humidifiers and dehumidifiers are devices, which play an important role in maintaining the surrounding environmental conditions more comfortable by increasing or decreasing the moisture level inside the living spaces. So, let’s see it in detail about it.

What Is the Difference Between a Humidifier and A Dehumidifier?

A humidifier is a device that increases the moisture level of dry air by releasing water vapor or steam. Whereas, a dehumidifier is an air-conditioning device that eliminates excess moisture from the air to maintain the humidity level.

Types of Humidifiers:

There are mainly five types of humidifiers that work differently compared to each other.

  1. Central Humidifiers: It is a whole-house humidifier system that is directly linked to the house and hardwired to the heating or cooling system.
  1. Evaporators: It is a popular type of humidifier, which consists of a fan and a wick filter that releases moisture into the air.
  2. Ultrasonic Humidifier: It is known as a cool mist humidifier that releases water droplets into the air to create a cool fog that increases indoor humidity. It consists of a diaphragm that vibrates at a very high frequency.
  3. Steam Humidifiers: It is also known as vaporizers that comes under warm mist humidifier. It uses heat to humidify an area. It helps to increase the humidity level.
  4. Impeller Humidifiers: It consists of a rotating dish that broke down water into tiny droplets. These droplets are then released into the air to increase the humidity level.

Key Benefits and Uses of Humidifiers

It may be beneficial for several medical conditions. Some of the major benefits include:

  • To increase moisture level, which can benefit people with respiratory symptoms
  • It reduces the risk of infection
  • Faster healing time
  • It reduces the heating bill
  • To provide healthier houseplants
  • It will help overcome sinus 

Types of Dehumidifiers:

It also comes in different types that are different from one another.

  1. Whole-House Dehumidifiers: It is mostly used in a highly humid area that would be installed with ductwork. It is costlier due to its large humidifying capacity.
  2. Desiccant Dehumidifiers: It uses a chemical substance to pull out the moisture from the air. It has a desiccant wheel with silica gel that helps to keep the air dry.
  3. Thermoelectric Dehumidifiers: It pulls damp air through a fan and then pass it through a cool heat sink.
  4. Refrigerated Coil Dehumidifiers: It is a common type of compressor dehumidifier that uses a fan to pull out the moisture from the air. It draws hot air into the device. 

Key Benefits and Uses of Dehumidifiers:

Some of the major benefits include:

  • It reduces the risk of flu
  • It reduces snoring
  • To keep the skin moist
  • To prevent influenza

Which One Should Buy?

Ideal indoor humidity levels are between 30% and 50%, but it can vary according to climatic changes. If the level of humidity is less than 30% then a humidifier is beneficial and if the humidity level is above 50% then a dehumidifier is beneficial.

Global Market Size and Valuation:

The global portable air humidifier and dehumidifier market size was USD 1.18 Billion in 2022 and is likely to reach USD 1.56 Billion by 2031, at a CAGR of 3.5% during 2023–2031. This growth is attributed to the growing awareness about hygiene and sanitation among people, and increasing concerns regarding dry skin and allergies due to changing weather conditions.

Some of the major players competing in the humidifier and dehumidifier market include Danby, Guardian Technologies LLC, Honeywell International Inc., Newell Brands, Condair Group AG, and Whirlpool.

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Humidifiers and dehumidifiers act as efficient solutions increasingly adopted in hospitals and commercial buildings. It can help to treat asthma triggered by humidity. Both systems are beneficial for various medical conditions such as allergies and chest congestion. Pairing both systems with your smart devices allows you to control automatically and maintain the right humidity level.

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