Humidity is a term commonly associated in the public awareness with places close to the equator or near coastal regions. However, it is experienced by all at some point – the sultry feeling either when it’s rainy, misty, or hot.
For the most part, it is relative humidity that people complain about: the ratio of water vapor in the air to the fixed amount of water vapor that air can hold for a certain temperature. For example, at 68 degrees Fahrenheit, one cubic meter of air can retain about 18 grams of water. This is a state of saturation, with 100% relative humidity.
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How does a Dehumidifier Work?
Typically, in a dehumidifier, the process sector, which is the larger of the two air zones, pulls system air. The rotor material present in the equipment adsorbs moisture from the air, leaving the humidifier warm and dry. During adsorption, the exchange of energy causes heat gain in the equipment.
The reactivation sector, which is the other air-pulling compartment in the humidifier, pushes out moisture adsorbed into the rotor through the process sector. With the continuous and simultaneous passing of opposing airflows through the rotor, steady and automatic dehumidification is attained.
Anywhere during this process, interrupted air flow, reduced moisture adsorption, or any other anomaly may cause malfunction of the equipment.
What is Driving Sales of Dehumidifiers?
In cold countries, rising energy prices have been a reason for high demand for building insulation for both commercial and residential use. Insulation may help with the cold, but on the contrary, air change is reduced, leading to the formation of a humidity trap. This necessitates the use of a dehumidifier to protect the woodwork.
In construction activities, dehumidifiers have several usages. From keeping building materials such as iron bars/rods, cement, etc. free from moisture to drying structures, dehumidifiers help save cost and reduce the duration of the entire project.
Thus, in Asia Pacific, economic development, leading to rising construction activities, has been a major reason driving sales of dehumidifiers, which in turn is benefitting the global dehumidifier market.
On the environmental front, global warming is a major concern attracting the attention of major governments worldwide. To counter the ill-effects of the rising average temperature of earth, globally accredited agencies are promoting the use of dehumidification systems. An added bonus of advanced dehumidifiers is that they inhibit growth of microorganisms, which is favorable for humans and other living creatures.
Moreover, any kind of environmental disturbance, such as excessive moisture content in the environment, also reduces agricultural output, which directly impacts the economy of any country. For this reason, greenhouses meant for specialty crops are essentially equipped with dehumidification systems.
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However, excessive product recalls by manufacturers due to technical issues have adversely affected consumers’ confidence in the dehumidifier industry. Due to the aforementioned reasons, the global dehumidifier market will display a modest 6.4% CAGR from 2014 to 2020, according to a recent market study by Transparency Market Research.
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