Dehumidifiers are designed to remove excess moisture from the air, which can help reduce odors and inhibit mold and mildew. There are two main types of dehumidifiers: desiccant and mechanical.
Desiccant dehumidifiers use a moisture-absorbing material to remove excess moisture from the air. They don't have compressors, and they work well in areas with light humidity and low temperatures.
Mechanical dehumidifiers, which are more common, contain a hot coil and a cold coil. A fan pulls air over the hot coil, collecting excess moisture in a reservoir. The dry air then passes over a hot coil to return it to a warmer temperature. Mechanical dehumidifiers work best in areas with moderate to high humidity.
When shopping for a dehumidifier, consider what size and capacity you need. A portable dehumidifier can be effective in a very small room that's damp but not wet. A small dehumidifier with a capacity of 25-35 pints a day can be effective in a small room that's damp but not wet. A medium dehumidifier with a capacity of 40-50 pints a day, can be effective in a medium to large room that's damp or wet. A large dehumidifier with 65-75-pint-a-day capacity can work in a large, wet room. For an entire house, you'll need a whole-house dehumidifier with a capacity of 90-140 pints a day.
At Walmart, you'll find Every Day Low Prices on dehumidifiers and other home improvement supplies.
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