Everyone is familiar with air conditioning units, but the dehumidifier is often a mystery to the uninitiated. So what exactly is a dehumidifier and when are you likely to need one?
Dehumidifier basics
As the name suggests, a dehumidifier is a piece of tool designed to lower the humidity of an interior environment. The optimal humidity for interiors is in the middle of 30 and 50 percent. Anyone more than that and it becomes a problem, because humid air conditions make it more likely that damp and mould will develop, which pose a hazard both for human health and for the structural integrity of the building.
DEHUMIDIFIER
dissimilar types of dehumidifier
The most coarse collection of dehumidifiers are mechanical units that use a small fan to draw in moist air over a refrigerated coil. Since the cooling of air lowers the saturation vapour pressure of water within it, water then condenses into liquid form and is collected for disposal. The drier air is then returned to the room. Desiccant dehumidifiers, on the other hand, used desiccant materials such as silica gel, which have an wonderful capacity for adsorbing water from the air.
Dehumidifier brands
A estimate of household brands produce reliable dehumidifier units, along with Panasonic, Sanyo and Mitsubishi. Kris, Mayaka, EdgeStar and Danby are some of the other major suppliers. Dehumidification units are typically portable, making it possible to wheel the unit from room to room as required.
Recycling the water
A byproduct of dehumidifiers is, naturally, water. This is taken from the area and then collected in the unit in a bucket. Rather than simply pouring this down the drain, the water can be reused. Although it is not suitable for drinking, the water is ideal for irrigation purposes (i.e. Watering plants) although should not be used on edible plants because of there is a risk of contamination. Perfectly acceptable, however, on flower beds.
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