Dehumidifiers
Click here for our full range of Dehumidifiers
We supply a range of dehumidifiers for many different applications. We hope we have provided enough information on our product pages to help you decide the best choice of machine for your particular circumstances.
If you are not sure about anything please contact us and we will do our best to answer your questions.
Not only do we sell the traditional compressor based dehumidifiers with great moisture removal power, but also the new absorption technology dehumidifier for the more environmentally conscious consumer which not only gives outstanding performance at low temperatures but are also very quiet when running.
Dehumidifier Glossary
Hot Gas Defrost (HGD)
An internal automatic defrosting process that is built into refrigerant dehumidifiers to allow cold temperature operation. Below about 10C moisture from the air condenses out as frost inside a refrigerant dehumidifier. If left to build up the machine will slowly turn to a block of ice. To overcome this HDG equipped machines periodically reverse the flow of refrigerant inside the coils, actively heating the cold condensing coil and melting any frost or ice build up. The process typically happens about once an hour, lasts 2-3 minutes and is totally automatic in operation. This allows HGD machines to operate down to near freezing point ambient temperature. (NOTE: Machines with HGD fitted do NOT require any external gas supply or a gas bottle to operate - it is a totally in-built function of the refrigeration circuit and nothing to do with ’gas’ as such!).
Absorption Dehumidifier
A method of moisture extraction from the air where the moisture is retained on the surface of a desiccant rotor rather than condensed from the air on a refrigerated coil. The moisture laden rotor is then dried out via a heated and separate airflow. Adsorption machines will work efficiently at lower temperatures than refrigerant machines and can get the air much drier.
Relative Humidity (RH)
When we talk about a target environment we usually express it in terms of RH%. The % RH is the proportion of moisture in the air compared to the maximum that air can hold before saturation at a given temperature. SO, to lower the RH% you can either RAISE the ambient temperature or remove the moisture with a dehumidifier. The latter is usually the much more economical solution.
Dew Point
The temperature at which the RH reaches 100%. Any surface that is at or lower than the dew point temperature will produce condensation. If you can lower the RH% for any given temperature then you also lower the dew point. If you dry the air enough then the dew point temperature becomes so low as to be never reached in normal day to day life - result - no condensation.
Warranty on our Dehumidifiers
Unless otherwise stated in the product details all our machines come with a full 12 month warranty. In the unlikely event that you have a problem with a unit within the first year then we will recover the unit from you using a courier (this will be at our expense but it will be your responsibility to ensure the item is packed sufficiently securely). Once it has arrived, it will either be repaired or replaced and the unit returned to you by courier free of charge.
Outside the warranty period we can source a full range of spares available for most machines and will be pleased to quote you for repair of any item.
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