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Our large, four bedroom house is over 200 years old and therefore has no cavity walls to insulate. After a cold and damp 2008 summer we were suffering from condensation and mould problems in spite of extractor fans in both kitchen and bathroom. Time to dehumidify!
We bought our DEM 10 at Curry's for £99.99. It is compact, easily moved with a fold-out top carry handle and absolutely idiot proof in use. The level of humidity that the unit will pull down to can be controlled via a knob on top of the housing and there is a full tank warning light.
The water tank is transparent so that the water level can be seen at a glance and the tank is so easy to remove for emptying - and, more importantly, to replace. Try some of the competition! A length of polythene hose is supplied to enable continuous draining should you want to leave the unit operating while you are away from home for a few days.
The motor is very quiet in a daytime context - about the same sound level as a four inch extractor fan and unobtrusive. Overnight operation would be barely audible if sited a room away from your bedroom.
At a power of about 170 watts, six hours of continuous operation will consume about one unit of electricity - approximately 10p at November 2008 prices. Ours is parked on the upstairs landing, is switched on when cooking the evening meal and turned off about six hours later. At the time of writing this pulls out one litre of water from air at a temperature of 16°C.
The level of condensation in our home has been slashed. We are very pleased with the DEM 10 and recommend it without hesitation.