Quote:
Originally Posted by Paul
Thats like asking do light bulbs cost a lot to run.
As with anything, the answer depends on the wattage of the device.
A 250W dehumidifier will use 1KWH of electricity every 4 hours (about £1.40 at the new rates).
The "recovered heat" is irrelevant to the actual cost of electricity while its running.
However, it does (should) mean you need to run it less hours overall to maintain a desired room temperature.
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34p at the new rates per 4 hours