As the gel cycles via and gets heated, the odors trapped during the gel could possibly escape. Some desiccant dehumidifiers may need a laundry mode. You could run this periodically in an open up-air space to launch any trapped, disagreeable odors. Compared with other larger sized refrigerant-centered models from Dri-Eaz, https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/