5-year limited warranty & safety tested - Our sentinel HD55S WIFI dehumidifier is fully compliant with the electrical safety ETL. Automatic Defrost - a quick and efficient defrosting process, truly makes the dehumidifier able to work at a low temperature (36 degrees Fahrenheit), if frost is detected on the coils, an automatic defrost cycle runs to avoid frost build-up and issues associated with that build up.
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