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Isothermal dehumidification with a simply thermoelectric device: concept and feasibility

This paper proposed a simple thermoelectric cooler (TEC) device with a heat recovery unit to deliver isothermal dehumidification in a small space where ambient temperature falls into the comfort zone while relative humidity is high. The concept of the system was presented, followed by the analysis of the cold surface temperature to examine its possibility to reach the target. Five different types of TEC products were chosen to make a comparison by using the market available data sheets and results found that for small applications (up to 30 W), the proposed system can easily deliver the isothermal dehumidification with room temperatures of 20–25°C.