Dehumidifiers
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They work on a similar principle to the refrigerator. A fan blows air over a chiller unit which reduces the temperature of the air and hence the amount of moisture it can hold. This condenses the moisture out of the air and the resultant water is collected in a tank for disposal. Most models have a level switch which will turn the dehumidifier off and sound an alarm when the tank is full. Some models can also be plumbed in to a waste pipe or drain so they don't need to be emptied. Also popular for small areas are chemical dehumidifiers. These contain a moisture absorbing chemical which soaks up damp from the air. Some types can be re-used by heating in an oven or microwave but always check the manufacturers instructions.
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| Smaller Powered Dehumidifiers - Some smaller dehumidifiers which are suitable for cars, caravans and RV's use sold state Peltier Coolers. These units can be only a few inches tall but they remove a good amount of water from the air. The Peltier cooler is a solid state cooling unit which creates a cooling effect by passing an electric current between two semiconductors. They are much quieter in operation than the larger units as they don't have a refrigeration compressor - only a fan to drive air over the cooling unit. | |
Chemical Dehumidifiers - These are really only suitable for very small spaces or for areas where there is not much air circulation. They use a hygroscopic moisture absorbing chemical or dessicant which usually changes color as it absorbs water. The retained moisture can often be removed for example by heating
in an oven so that the dehumidifier can be re-used. |
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Dehumidifiers - Find out how a dehumidifier can help with your damp problem. What are the various kinds of dehumidifier? How do they work and which is the best dehumidifier to buy. Portable or fixed? What about basement dehumidifiers? |
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All information is given as a source of general information only and is not intended as specific advice on any subject. You should always read manufacturers instructions and warnings and if necessary take independent or professional advice. Your use of information published on this Web Site or materials linked from the Web Site is at your own risk as its accuracy, completeness, fitness for purpose or currency is not warranted or guaranteed. Full terms |
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One
popular solution to damp and condensation problems is a dehumidifier.
These come in various shapes and sizes ranging from small units
which will keep a closet or wardrobe dry to large units which are
capable of drying out anything from a room to a whole house..
DehumidifierDehumidifiersExtractor |
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Dehumidifiers |