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 35p 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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Is the recovered heat enough to heat the room to the extent that the usual heating could be turned down or even off though?
If so, this could be deducted from what the dehumidifier costs to run.