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Mar

Guide to Choosing a Dehumidifier

Written by Duncan under Dehumidifiers, Desiccant, General | 2 Comments ""

One of the most important  factors to bear in mind when choosing a dehumidifier  is the need to match the water extraction capacity of the unit with the requirements of the place where it is going to be installed. Obviously, larger rooms require dehumidifiers that are capable of removing large quantities of water efficiently in order to achieve and maintain the RH (relative humidity) of the room air that you desire.   Beware though, as the stated capacity of any dehumidifier is calculated using the baseline of a very high humidity and temperature.  If a dehumidifier claims to be a 20 litre unit, it may extract 20 litres in a dripping tropical rainforest, but may not achieve that in the UK climate!

All dehumidifiers use mechanical energy to move air, so they do tend to make a certain amount of noise that comes from the compressor mainly in refrigerant models and even desiccant units use fans to draw in air.   However the latest models are certainly far quieter than their predecessors.  Many top end models also have a frost protection feature using a hot gas system to defrost the internal cooling coils so they can be used in cold weather, however their efficiency can be diminished at very low temperatures.

For very small spaces like wardrobes, cupboards, sheds, caravans, boats or garages, a desiccant moisture absorber should be sufficient, especially if these locations don’t have a power supply.   The Superdry moisture absorber for example contains desiccant that will absorb up to 1.5 litres of water from the atmosphere for up to eight weeks at a time.

Larger rooms may require a dehumidifier that can extract around 20 to 40 litres of water every day, especially during very humid days. If smaller rooms need to be dehumidified, half that capacity should be sufficient so a product like the GD10L 10 Litre dehumidifier would be perfect.  This compact and economic unit has a continuous drain option so a hose could be fitted to take the water directly to a drain, thus by-passing the automatic shut off many of these more compact units have when their relatively small tank is full.

Tank size is definitely a consideration to take into account. The dripping water from a dehumidifier is collected in a tank which has to be emptied periodically. Obviously, the smaller the tank, the more frequently it needs emptying. Some compact units can be surprisingly efficient with powerful little dehumidifiers that can remove up to 20 litres of moisture every 24 hours.  That’s adequate for a 3-4 bedroom house or a humid cellar or garage.  These units incorporate an integral water container or can be connected to a drain for continuous discharge.


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2 Responses to “Guide to Choosing a Dehumidifier”

  1. Buy Dehumidifiers says:

    This is a great guide for those looking to buy a dehumidifier. We often get a lot of questions on how to figure out what size dehumidifier someone should buy. We eventually did a breakdown by room on our site, but it probably wouldn’t help those in the UK since it’s in pints instead of litres.

  2. Jenniffer Rufo says:

    Investing time winterising your static caravan in the end on the year or so will guarantee that’s thoroughly clean and in very good functioning purchase for the return inside the spring. Under are some factors that will support you get ready your caravan for winter decreasing possible harm triggered from the cold and damp. 1. Distinct Lower – It’s suggested that if you are able to consider residence products to decrease the threat of harm as well as theft. Products which you are able to consider house contain; soft furnishings, bedding, towels, curtains and electric Products for instance DVD players and TV’s a couple of. Condensation – Condensation and dampness can bring about harm for the caravan. Leave dehumidifying crystals or bowls of salt within the static caravan to absorb dampness. three. Drinking water Method – As together with your household the expansion of frozen drinking water in pipes can bring about numerous issues in the static caravan. Ahead of leaving your van for your winter turn off the drinking water technique and drain lower by opening all of the taps. Adding antifreeze to toilet bowl stops freezing and cracking. four. Rodents – Get rid of all foods to steer clear of tempting rodents. Also verify that there’s no admittance for rodents as these might be a true problem. five. Gas and Electric – Assure that all gas and electric devices must be isolated for that winter year or so. 6. Safety – Guarantee your caravan is locked and protected prior to leaving. Verify that your get in touch with facts are accurate using the park seller such as your mobile telephone amount, in situation of unpredicted challenges. Adhere to these things in addition other people which you really feel are suitable to retain your static caravan in very good functioning purchase.

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