A dehumidifier is a complicated piece of equipment that can cost a lot of money. A 50-pint unit can cost between $300 and $600. Bigger capacity machines might cost thousands of dollars. You can rent a large dehumidifier for as little as $40 to $50 per day.No, the dehumidifier does not need to be on all the time. Only run your dehumidifier when the humidity is level is 50% or greater. For most homes, a comfortable humidity level of 30-50% is a decent rule of thumb to remember. Do not let your humidity level go below 30%
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