The desiccant dehumidifier market was valued at USD 578 million in 2023 and is estimated to reach USD 749 million by 2028, registering a CAGR of 5.3% during the forecast period.

The growth of the desiccant dehumidifier market is governed by the increasing adoption of desiccant dehumidifiers in various industries, increasing government regulatory policies, and incentives for clean energy.

Desiccant dehumidifiers are primarily deployed in pharmaceuticals, food & beverages, electronics manufacturing, chemical plants, and construction sites. Consistent and reliable control of humidity levels in pharmaceutical manufacturing, regardless of ambient air conditions, leads to a more efficient production line, increased yields, and decreased waste.

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Opportunity: Ongoing developments in the desiccant dehumidifier technology to contribute to the market growth

Recent advancements in desiccant dehumidification technology, like liquid desiccant dehumidification technology, are becoming increasingly attractive due to their highly efficient utilization of low-grade heat and its effectiveness in dehumidification. Using this technology, energy-efficient air conditioning systems have been developed, which demonstrated superiority over the traditional vapor compression type system by allowing both temperature and humidity to be controlled independently.

The desiccant-coated heat exchangers (DCHEs) performance strongly depends on the adsorption and desorption characteristics of the employed desiccant material. While several attempts have been made to synthesize superior desiccants, the DCHE performance has not reached its highest potential due to challenges associated with the limited working capacity of conventional pure/composite desiccants. Two novel advanced desiccants, composite superabsorbent polymers (SAPs) and metal-organic frameworks (MOFs), have been under development. The composite SAPs offer superior sorption capacity, faster kinetics, and low regeneration possibility while the MOFs provide excellent hydrophilicity and tailorable structures. These desiccants are deemed to be the next generation of advanced materials in thermally driven dehumidifiers.

Challenge: Limitations in terms of applications for desiccant dehumidifiers

Desiccant dehumidifiers are best suited for low-temperature and low-humidity environments, such as industrial or commercial settings. They may not be as effective in residential or high-humidity environments. Additionally, refrigerant-based dehumidifiers are typically more effective at removing moisture from the air in residential spaces. The desiccant dehumidifiers tend to be more expensive to operate than compressor-based dehumidifiers. This is because they require a constant supply of energy to heat and regenerate the desiccant material, which can drive up the energy bills over time.